diff --git a/packages/polywrap-client/poetry.lock b/packages/polywrap-client/poetry.lock
index d7fc4889..cfccaf14 100644
--- a/packages/polywrap-client/poetry.lock
+++ b/packages/polywrap-client/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "astroid"
-version = "2.12.11"
+version = "2.12.12"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
@@ -278,7 +278,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "pbr"
-version = "5.10.0"
+version = "5.11.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -320,12 +320,30 @@ develop = true
 [package.dependencies]
 gql = "3.4.0"
 graphql-core = "^3.2.1"
+polywrap-manifest = {path = "../polywrap-manifest", develop = true}
 result = "^0.8.0"
 
 [package.source]
 type = "directory"
 url = "../polywrap-core"
 
+[[package]]
+name = "polywrap-manifest"
+version = "0.1.0"
+description = "WRAP manifest"
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
+pydantic = "^1.10.2"
+
+[package.source]
+type = "directory"
+url = "../polywrap-manifest"
+
 [[package]]
 name = "polywrap-msgpack"
 version = "0.1.0"
@@ -372,6 +390,7 @@ develop = true
 
 [package.dependencies]
 polywrap-core = {path = "../polywrap-core", develop = true}
+polywrap-manifest = {path = "../polywrap-manifest", develop = true}
 polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
 unsync = "^1.4.0"
 wasmtime = "^1.0.1"
@@ -388,6 +407,21 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "pydantic"
+version = "1.10.2"
+description = "Data validation and settings management using python type hints"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+typing-extensions = ">=4.1.0"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
 [[package]]
 name = "pydocstyle"
 version = "6.1.1"
@@ -404,14 +438,14 @@ toml = ["toml"]
 
 [[package]]
 name = "pylint"
-version = "2.15.4"
+version = "2.15.5"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = ">=3.7.2"
 
 [package.dependencies]
-astroid = ">=2.12.11,<=2.14.0-dev0"
+astroid = ">=2.12.12,<=2.14.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
 dill = ">=0.2"
 isort = ">=4.2.5,<6"
@@ -437,7 +471,7 @@ diagrams = ["railroad-diagrams", "jinja2"]
 
 [[package]]
 name = "pyright"
-version = "1.1.275"
+version = "1.1.276"
 description = "Command line wrapper for pyright"
 category = "dev"
 optional = false
@@ -526,7 +560,7 @@ python-versions = "*"
 
 [[package]]
 name = "stevedore"
-version = "4.0.1"
+version = "4.1.0"
 description = "Manage dynamic plugins for Python applications"
 category = "dev"
 optional = false
@@ -597,6 +631,14 @@ tox = {version = ">=3.7.0", markers = "python_version >= \"3\""}
 [package.extras]
 test = ["pylint", "pycodestyle", "pytest", "coverage"]
 
+[[package]]
+name = "typing-extensions"
+version = "4.4.0"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "unsync"
 version = "1.4.0"
@@ -656,12 +698,12 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "fbede2eb1178e36229e0cdb6a0d7a963d7e630893adc4bbf4e93c0268784b3fe"
+content-hash = "e8e7de81df846ecd5164c7959412f1db7d2e6b048de90126d4f3f73ef06a8cd8"
 
 [metadata.files]
 astroid = [
-    {file = "astroid-2.12.11-py3-none-any.whl", hash = "sha256:867a756bbf35b7bc07b35bfa6522acd01f91ad9919df675e8428072869792dce"},
-    {file = "astroid-2.12.11.tar.gz", hash = "sha256:2df4f9980c4511474687895cbfdb8558293c1a826d9118bb09233d7c2bff1c83"},
+    {file = "astroid-2.12.12-py3-none-any.whl", hash = "sha256:72702205200b2a638358369d90c222d74ebc376787af8fb2f7f2a86f7b5cc85f"},
+    {file = "astroid-2.12.12.tar.gz", hash = "sha256:1c00a14f5a3ed0339d38d2e2e5b74ea2591df5861c0936bb292b84ccf3a78d83"},
 ]
 attrs = [
     {file = "attrs-22.1.0-py2.py3-none-any.whl", hash = "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"},
@@ -921,8 +963,8 @@ pathspec = [
     {file = "pathspec-0.10.1.tar.gz", hash = "sha256:7ace6161b621d31e7902eb6b5ae148d12cfd23f4a249b9ffb6b9fee12084323d"},
 ]
 pbr = [
-    {file = "pbr-5.10.0-py2.py3-none-any.whl", hash = "sha256:da3e18aac0a3c003e9eea1a81bd23e5a3a75d745670dcf736317b7d966887fdf"},
-    {file = "pbr-5.10.0.tar.gz", hash = "sha256:cfcc4ff8e698256fc17ea3ff796478b050852585aa5bae79ecd05b2ab7b39b9a"},
+    {file = "pbr-5.11.0-py2.py3-none-any.whl", hash = "sha256:db2317ff07c84c4c63648c9064a79fe9d9f5c7ce85a9099d4b6258b3db83225a"},
+    {file = "pbr-5.11.0.tar.gz", hash = "sha256:b97bc6695b2aff02144133c2e7399d5885223d42b7912ffaec2ca3898e673bfe"},
 ]
 platformdirs = [
     {file = "platformdirs-2.5.2-py3-none-any.whl", hash = "sha256:027d8e83a2d7de06bbac4e5ef7e023c02b863d7ea5d079477e722bb41ab25788"},
@@ -933,6 +975,7 @@ pluggy = [
     {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
 ]
 polywrap-core = []
+polywrap-manifest = []
 polywrap-msgpack = []
 polywrap-uri-resolvers = []
 polywrap-wasm = []
@@ -940,21 +983,59 @@ py = [
     {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
     {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
+pydantic = [
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bb6ad4489af1bac6955d38ebcb95079a836af31e4c4f74aba1ca05bb9f6027bd"},
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a1f5a63a6dfe19d719b1b6e6106561869d2efaca6167f84f5ab9347887d78b98"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:352aedb1d71b8b0736c6d56ad2bd34c6982720644b0624462059ab29bd6e5912"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:19b3b9ccf97af2b7519c42032441a891a5e05c68368f40865a90eb88833c2559"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:e9069e1b01525a96e6ff49e25876d90d5a563bc31c658289a8772ae186552236"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:355639d9afc76bcb9b0c3000ddcd08472ae75318a6eb67a15866b87e2efa168c"},
+    {file = "pydantic-1.10.2-cp310-cp310-win_amd64.whl", hash = "sha256:ae544c47bec47a86bc7d350f965d8b15540e27e5aa4f55170ac6a75e5f73b644"},
+    {file = "pydantic-1.10.2-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:a4c805731c33a8db4b6ace45ce440c4ef5336e712508b4d9e1aafa617dc9907f"},
+    {file = "pydantic-1.10.2-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:d49f3db871575e0426b12e2f32fdb25e579dea16486a26e5a0474af87cb1ab0a"},
+    {file = "pydantic-1.10.2-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:37c90345ec7dd2f1bcef82ce49b6235b40f282b94d3eec47e801baf864d15525"},
+    {file = "pydantic-1.10.2-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:7b5ba54d026c2bd2cb769d3468885f23f43710f651688e91f5fb1edcf0ee9283"},
+    {file = "pydantic-1.10.2-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:05e00dbebbe810b33c7a7362f231893183bcc4251f3f2ff991c31d5c08240c42"},
+    {file = "pydantic-1.10.2-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:2d0567e60eb01bccda3a4df01df677adf6b437958d35c12a3ac3e0f078b0ee52"},
+    {file = "pydantic-1.10.2-cp311-cp311-win_amd64.whl", hash = "sha256:c6f981882aea41e021f72779ce2a4e87267458cc4d39ea990729e21ef18f0f8c"},
+    {file = "pydantic-1.10.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:c4aac8e7103bf598373208f6299fa9a5cfd1fc571f2d40bf1dd1955a63d6eeb5"},
+    {file = "pydantic-1.10.2-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:81a7b66c3f499108b448f3f004801fcd7d7165fb4200acb03f1c2402da73ce4c"},
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+    {file = "pydantic-1.10.2-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:9300fcbebf85f6339a02c6994b2eb3ff1b9c8c14f502058b5bf349d42447dcf5"},
+    {file = "pydantic-1.10.2-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:216f3bcbf19c726b1cc22b099dd409aa371f55c08800bcea4c44c8f74b73478d"},
+    {file = "pydantic-1.10.2-cp37-cp37m-win_amd64.whl", hash = "sha256:dd3f9a40c16daf323cf913593083698caee97df2804aa36c4b3175d5ac1b92a2"},
+    {file = "pydantic-1.10.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:b97890e56a694486f772d36efd2ba31612739bc6f3caeee50e9e7e3ebd2fdd13"},
+    {file = "pydantic-1.10.2-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:9cabf4a7f05a776e7793e72793cd92cc865ea0e83a819f9ae4ecccb1b8aa6116"},
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+    {file = "pydantic-1.10.2-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:cc78cc83110d2f275ec1970e7a831f4e371ee92405332ebfe9860a715f8336e1"},
+    {file = "pydantic-1.10.2-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:1ee433e274268a4b0c8fde7ad9d58ecba12b069a033ecc4645bb6303c062d2e9"},
+    {file = "pydantic-1.10.2-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:7c2abc4393dea97a4ccbb4ec7d8658d4e22c4765b7b9b9445588f16c71ad9965"},
+    {file = "pydantic-1.10.2-cp38-cp38-win_amd64.whl", hash = "sha256:0b959f4d8211fc964772b595ebb25f7652da3f22322c007b6fed26846a40685e"},
+    {file = "pydantic-1.10.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c33602f93bfb67779f9c507e4d69451664524389546bacfe1bee13cae6dc7488"},
+    {file = "pydantic-1.10.2-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:5760e164b807a48a8f25f8aa1a6d857e6ce62e7ec83ea5d5c5a802eac81bad41"},
+    {file = "pydantic-1.10.2-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6eb843dcc411b6a2237a694f5e1d649fc66c6064d02b204a7e9d194dff81eb4b"},
+    {file = "pydantic-1.10.2-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:4b8795290deaae348c4eba0cebb196e1c6b98bdbe7f50b2d0d9a4a99716342fe"},
+    {file = "pydantic-1.10.2-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:e0bedafe4bc165ad0a56ac0bd7695df25c50f76961da29c050712596cf092d6d"},
+    {file = "pydantic-1.10.2-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:2e05aed07fa02231dbf03d0adb1be1d79cabb09025dd45aa094aa8b4e7b9dcda"},
+    {file = "pydantic-1.10.2-cp39-cp39-win_amd64.whl", hash = "sha256:c1ba1afb396148bbc70e9eaa8c06c1716fdddabaf86e7027c5988bae2a829ab6"},
+    {file = "pydantic-1.10.2-py3-none-any.whl", hash = "sha256:1b6ee725bd6e83ec78b1aa32c5b1fa67a3a65badddde3976bca5fe4568f27709"},
+    {file = "pydantic-1.10.2.tar.gz", hash = "sha256:91b8e218852ef6007c2b98cd861601c6a09f1aa32bbbb74fab5b1c33d4a1e410"},
+]
 pydocstyle = [
     {file = "pydocstyle-6.1.1-py3-none-any.whl", hash = "sha256:6987826d6775056839940041beef5c08cc7e3d71d63149b48e36727f70144dc4"},
     {file = "pydocstyle-6.1.1.tar.gz", hash = "sha256:1d41b7c459ba0ee6c345f2eb9ae827cab14a7533a88c5c6f7e94923f72df92dc"},
 ]
 pylint = [
-    {file = "pylint-2.15.4-py3-none-any.whl", hash = "sha256:629cf1dbdfb6609d7e7a45815a8bb59300e34aa35783b5ac563acaca2c4022e9"},
-    {file = "pylint-2.15.4.tar.gz", hash = "sha256:5441e9294335d354b7bad57c1044e5bd7cce25c433475d76b440e53452fa5cb8"},
+    {file = "pylint-2.15.5-py3-none-any.whl", hash = "sha256:c2108037eb074334d9e874dc3c783752cc03d0796c88c9a9af282d0f161a1004"},
+    {file = "pylint-2.15.5.tar.gz", hash = "sha256:3b120505e5af1d06a5ad76b55d8660d44bf0f2fc3c59c2bdd94e39188ee3a4df"},
 ]
 pyparsing = [
     {file = "pyparsing-3.0.9-py3-none-any.whl", hash = "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"},
     {file = "pyparsing-3.0.9.tar.gz", hash = "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb"},
 ]
 pyright = [
-    {file = "pyright-1.1.275-py3-none-any.whl", hash = "sha256:83072f509e18160f2661a2276ac85f471112dbcfc1dadf0cbb0393a4d56db72a"},
-    {file = "pyright-1.1.275.tar.gz", hash = "sha256:f0061ce47c785b9b64745b7648ff9732a99811ef7c7f3f88642aa2cb7868c81e"},
+    {file = "pyright-1.1.276-py3-none-any.whl", hash = "sha256:d9388405ea20a55446cb7809b1746158bdf557f9162b476f5aed71173f4ffd2b"},
+    {file = "pyright-1.1.276.tar.gz", hash = "sha256:debaa08f6975dd381b9408880e36bb781ba7a1a6cf24b7868e83be41b6c8cb75"},
 ]
 pytest = [
     {file = "pytest-7.1.3-py3-none-any.whl", hash = "sha256:1377bda3466d70b55e3f5cecfa55bb7cfcf219c7964629b967c37cf0bda818b7"},
@@ -1016,8 +1097,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.2.0.tar.gz", hash = "sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1"},
 ]
 stevedore = [
-    {file = "stevedore-4.0.1-py3-none-any.whl", hash = "sha256:01645addb67beff04c7cfcbb0a6af8327d2efc3380b0f034aa316d4576c4d470"},
-    {file = "stevedore-4.0.1.tar.gz", hash = "sha256:9a23111a6e612270c591fd31ff3321c6b5f3d5f3dabb1427317a5ab608fc261a"},
+    {file = "stevedore-4.1.0-py3-none-any.whl", hash = "sha256:3b1cbd592a87315f000d05164941ee5e164899f8fc0ce9a00bb0f321f40ef93e"},
+    {file = "stevedore-4.1.0.tar.gz", hash = "sha256:02518a8f0d6d29be8a445b7f2ac63753ff29e8f2a2faa01777568d5500d777a6"},
 ]
 toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
@@ -1039,6 +1120,10 @@ tox-poetry = [
     {file = "tox-poetry-0.4.1.tar.gz", hash = "sha256:2395808e1ce487b5894c10f2202e14702bfa6d6909c0d1e525170d14809ac7ef"},
     {file = "tox_poetry-0.4.1-py2.py3-none-any.whl", hash = "sha256:11d9cd4e51d4cd9484b3ba63f2650ab4cfb4096e5f0682ecf561ddfc3c8e8c92"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-4.4.0-py3-none-any.whl", hash = "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"},
+    {file = "typing_extensions-4.4.0.tar.gz", hash = "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa"},
+]
 unsync = [
     {file = "unsync-1.4.0.tar.gz", hash = "sha256:a29e0f8952ffb0b3a0453ce436819a5a1ba2febbb5caa707c319f6f98d35f3c5"},
 ]
diff --git a/packages/polywrap-client/polywrap_client/client.py b/packages/polywrap-client/polywrap_client/client.py
index fd5f3ee6..ddbdbe32 100644
--- a/packages/polywrap-client/polywrap_client/client.py
+++ b/packages/polywrap-client/polywrap_client/client.py
@@ -8,6 +8,7 @@
     ClientConfig,
     Env,
     GetEnvsOptions,
+    GetManifestOptions,
     GetFileOptions,
     GetUriResolversOptions,
     InvokeResult,
@@ -23,6 +24,7 @@
 )
 from polywrap_msgpack import msgpack_decode, msgpack_encode
 from polywrap_uri_resolvers import FsUriResolver, SimpleFileReader
+from polywrap_manifest import AnyWrapManifest
 from result import Err, Ok, Result
 
 
@@ -58,7 +60,11 @@ def get_env_by_uri(
 
     async def get_file(self, uri: Uri, options: GetFileOptions) -> Union[bytes, str]:
         loaded_wrapper = (await self.load_wrapper(uri)).unwrap()
-        return await loaded_wrapper.get_file(options=options, client=self)
+        return await loaded_wrapper.get_file(options)
+
+    async def get_manifest(self, uri: Uri, options: Optional[GetManifestOptions] = None) -> AnyWrapManifest:
+        loaded_wrapper = (await self.load_wrapper(uri)).unwrap()
+        return loaded_wrapper.get_manifest()
 
     async def try_resolve_uri(
         self, options: TryResolveUriOptions
@@ -90,7 +96,7 @@ async def load_wrapper(
             return Err(Exception(f'Error resolving URI "{uri.uri}"\nURI not found'))
 
         if isinstance(uri_package_or_wrapper, UriPackage):
-            return Ok(uri_package_or_wrapper.package.create_wrapper())
+            return Ok(await uri_package_or_wrapper.package.create_wrapper())
 
         return Ok(uri_package_or_wrapper.wrapper)
 
diff --git a/packages/polywrap-client/pyproject.toml b/packages/polywrap-client/pyproject.toml
index 8bbed82b..452bbd5d 100644
--- a/packages/polywrap-client/pyproject.toml
+++ b/packages/polywrap-client/pyproject.toml
@@ -14,6 +14,8 @@ python = "^3.10"
 wasmtime = "^1.0.1"
 unsync = "^1.4.0"
 polywrap-core = { path = "../polywrap-core", develop = true }
+polywrap-msgpack = { path = "../polywrap-msgpack", develop = true }
+polywrap-manifest = { path = "../polywrap-manifest", develop = true }
 polywrap-uri-resolvers = { path = "../polywrap-uri-resolvers", develop = true }
 result = "^0.8.0"
 
diff --git a/packages/polywrap-client/tests/cases/simple-invoke/wrap.info b/packages/polywrap-client/tests/cases/simple-invoke/wrap.info
new file mode 100644
index 00000000..e0ca0d11
--- /dev/null
+++ b/packages/polywrap-client/tests/cases/simple-invoke/wrap.info
@@ -0,0 +1 @@
+„§version£0.1¤name¦Simple¤type¤wasm£abi‚§version£0.1ªmoduleTypeƒ¤type¦Module¤kindÌ€§methods‘†¤name¬simpleMethod¦return…¤type¦String¤name¬simpleMethod¨requiredäkind"¦scalar„¤name¬simpleMethod¤type¦String¨requiredäkind¤type¦Method¤kind@¨requiredéarguments‘…¤type¦String¤name£arg¨requiredäkind"¦scalar„¤name£arg¤type¦String¨requiredäkind
\ No newline at end of file
diff --git a/packages/polywrap-client/tests/cases/simple-subinvoke/invoke/wrap.info b/packages/polywrap-client/tests/cases/simple-subinvoke/invoke/wrap.info
new file mode 100644
index 00000000..df7afa51
Binary files /dev/null and b/packages/polywrap-client/tests/cases/simple-subinvoke/invoke/wrap.info differ
diff --git a/packages/polywrap-client/tests/cases/subinvoke/wrap-invoke.wasm b/packages/polywrap-client/tests/cases/simple-subinvoke/invoke/wrap.wasm
similarity index 100%
rename from packages/polywrap-client/tests/cases/subinvoke/wrap-invoke.wasm
rename to packages/polywrap-client/tests/cases/simple-subinvoke/invoke/wrap.wasm
diff --git a/packages/polywrap-client/tests/cases/simple-subinvoke/subinvoke/wrap.info b/packages/polywrap-client/tests/cases/simple-subinvoke/subinvoke/wrap.info
new file mode 100644
index 00000000..94137ba9
--- /dev/null
+++ b/packages/polywrap-client/tests/cases/simple-subinvoke/subinvoke/wrap.info
@@ -0,0 +1 @@
+„§version£0.1¤name¦Simple¤type¤wasm£abi‚§version£0.1ªmoduleTypeƒ¤type¦Module¤kindÌ€§methods‘†¤name£add¦return…¤type£Int¤name£add¨requiredäkind"¦scalar„¤name£add¤type£Int¨requiredäkind¤type¦Method¤kind@¨requiredéarguments’…¤type£Int¤name¡a¨requiredäkind"¦scalar„¤name¡a¤type£Int¨requiredäkind…¤type£Int¤name¡b¨requiredäkind"¦scalar„¤name¡b¤type£Int¨requiredäkind
\ No newline at end of file
diff --git a/packages/polywrap-client/tests/cases/subinvoke/wrap-subinvoke.wasm b/packages/polywrap-client/tests/cases/simple-subinvoke/subinvoke/wrap.wasm
similarity index 100%
rename from packages/polywrap-client/tests/cases/subinvoke/wrap-subinvoke.wasm
rename to packages/polywrap-client/tests/cases/simple-subinvoke/subinvoke/wrap.wasm
diff --git a/packages/polywrap-client/tests/test_client.py b/packages/polywrap-client/tests/test_client.py
index 99d78abc..c2a9799c 100644
--- a/packages/polywrap-client/tests/test_client.py
+++ b/packages/polywrap-client/tests/test_client.py
@@ -10,7 +10,7 @@
 async def test_invoke():
     client = PolywrapClient()
     uri = Uri(
-        f'fs/{Path(__file__).parent.joinpath("cases", "simple-invoke", "wrap.wasm").absolute()}'
+        f'fs/{Path(__file__).parent.joinpath("cases", "simple-invoke").absolute()}'
     )
     args = {"arg": "hello polywrap"}
     options = InvokerOptions(
@@ -26,7 +26,7 @@ async def test_subinvoke():
         file_reader=SimpleFileReader(),
         redirects={
             Uri("ens/add.eth"): Uri(
-                f'fs/{Path(__file__).parent.joinpath("cases", "subinvoke", "wrap-subinvoke.wasm").absolute()}'
+                f'fs/{Path(__file__).parent.joinpath("cases", "simple-subinvoke", "subinvoke").absolute()}'
             ),
         },
     )
@@ -35,7 +35,7 @@ async def test_subinvoke():
         envs=[], resolver=uri_resolver
     ))
     uri = Uri(
-        f'fs/{Path(__file__).parent.joinpath("cases", "subinvoke", "wrap-invoke.wasm").absolute()}'
+        f'fs/{Path(__file__).parent.joinpath("cases", "simple-subinvoke", "invoke").absolute()}'
     )
     args = b'\x82\xa1a\x01\xa1b\x02'
     options = InvokerOptions(
diff --git a/packages/polywrap-core/poetry.lock b/packages/polywrap-core/poetry.lock
index 3fae109b..3ebf2391 100644
--- a/packages/polywrap-core/poetry.lock
+++ b/packages/polywrap-core/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "astroid"
-version = "2.12.11"
+version = "2.12.12"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
@@ -225,6 +225,14 @@ category = "dev"
 optional = false
 python-versions = ">=3.6"
 
+[[package]]
+name = "msgpack"
+version = "1.0.4"
+description = "MessagePack serializer"
+category = "main"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "multidict"
 version = "6.0.2"
@@ -270,7 +278,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "pbr"
-version = "5.10.0"
+version = "5.11.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -300,6 +308,38 @@ python-versions = ">=3.6"
 testing = ["pytest-benchmark", "pytest"]
 dev = ["tox", "pre-commit"]
 
+[[package]]
+name = "polywrap-manifest"
+version = "0.1.0"
+description = "WRAP manifest"
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
+
+[package.source]
+type = "directory"
+url = "../polywrap-manifest"
+
+[[package]]
+name = "polywrap-msgpack"
+version = "0.1.0"
+description = "WRAP msgpack encoding"
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+msgpack = "^1.0.4"
+
+[package.source]
+type = "directory"
+url = "../polywrap-msgpack"
+
 [[package]]
 name = "py"
 version = "1.11.0"
@@ -308,6 +348,21 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "pydantic"
+version = "1.10.2"
+description = "Data validation and settings management using python type hints"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+typing-extensions = ">=4.1.0"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
 [[package]]
 name = "pydocstyle"
 version = "6.1.1"
@@ -324,14 +379,14 @@ toml = ["toml"]
 
 [[package]]
 name = "pylint"
-version = "2.15.4"
+version = "2.15.5"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = ">=3.7.2"
 
 [package.dependencies]
-astroid = ">=2.12.11,<=2.14.0-dev0"
+astroid = ">=2.12.12,<=2.14.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
 dill = ">=0.2"
 isort = ">=4.2.5,<6"
@@ -357,7 +412,7 @@ diagrams = ["railroad-diagrams", "jinja2"]
 
 [[package]]
 name = "pyright"
-version = "1.1.275"
+version = "1.1.276"
 description = "Command line wrapper for pyright"
 category = "dev"
 optional = false
@@ -446,7 +501,7 @@ python-versions = "*"
 
 [[package]]
 name = "stevedore"
-version = "4.0.1"
+version = "4.1.0"
 description = "Manage dynamic plugins for Python applications"
 category = "dev"
 optional = false
@@ -517,6 +572,14 @@ tox = {version = ">=3.7.0", markers = "python_version >= \"3\""}
 [package.extras]
 test = ["pylint", "pycodestyle", "pytest", "coverage"]
 
+[[package]]
+name = "typing-extensions"
+version = "4.4.0"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "virtualenv"
 version = "20.16.5"
@@ -557,12 +620,12 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "91211f7ef1438bf8d17c1c36e90c88410e624deb71108d201e9c2f999e7382f8"
+content-hash = "0ff75ac3ed1d54200287ed75dd7650afa1bd832932907db8eb787f9f7ee37b6b"
 
 [metadata.files]
 astroid = [
-    {file = "astroid-2.12.11-py3-none-any.whl", hash = "sha256:867a756bbf35b7bc07b35bfa6522acd01f91ad9919df675e8428072869792dce"},
-    {file = "astroid-2.12.11.tar.gz", hash = "sha256:2df4f9980c4511474687895cbfdb8558293c1a826d9118bb09233d7c2bff1c83"},
+    {file = "astroid-2.12.12-py3-none-any.whl", hash = "sha256:72702205200b2a638358369d90c222d74ebc376787af8fb2f7f2a86f7b5cc85f"},
+    {file = "astroid-2.12.12.tar.gz", hash = "sha256:1c00a14f5a3ed0339d38d2e2e5b74ea2591df5861c0936bb292b84ccf3a78d83"},
 ]
 attrs = [
     {file = "attrs-22.1.0-py2.py3-none-any.whl", hash = "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"},
@@ -690,6 +753,60 @@ mccabe = [
     {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
     {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
 ]
+msgpack = [
+    {file = "msgpack-1.0.4-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:4ab251d229d10498e9a2f3b1e68ef64cb393394ec477e3370c457f9430ce9250"},
+    {file = "msgpack-1.0.4-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:112b0f93202d7c0fef0b7810d465fde23c746a2d482e1e2de2aafd2ce1492c88"},
+    {file = "msgpack-1.0.4-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:002b5c72b6cd9b4bafd790f364b8480e859b4712e91f43014fe01e4f957b8467"},
+    {file = "msgpack-1.0.4-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:35bc0faa494b0f1d851fd29129b2575b2e26d41d177caacd4206d81502d4c6a6"},
+    {file = "msgpack-1.0.4-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4733359808c56d5d7756628736061c432ded018e7a1dff2d35a02439043321aa"},
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+    {file = "msgpack-1.0.4-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:c23080fdeec4716aede32b4e0ef7e213c7b1093eede9ee010949f2a418ced6ba"},
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+    {file = "msgpack-1.0.4-cp39-cp39-win_amd64.whl", hash = "sha256:4d5834a2a48965a349da1c5a79760d94a1a0172fbb5ab6b5b33cbf8447e109ce"},
+    {file = "msgpack-1.0.4.tar.gz", hash = "sha256:f5d869c18f030202eb412f08b28d2afeea553d6613aee89e200d7aca7ef01f5f"},
+]
 multidict = [
     {file = "multidict-6.0.2-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:0b9e95a740109c6047602f4db4da9949e6c5945cefbad34a1299775ddc9a62e2"},
     {file = "multidict-6.0.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ac0e27844758d7177989ce406acc6a83c16ed4524ebc363c1f748cba184d89d3"},
@@ -768,8 +885,8 @@ pathspec = [
     {file = "pathspec-0.10.1.tar.gz", hash = "sha256:7ace6161b621d31e7902eb6b5ae148d12cfd23f4a249b9ffb6b9fee12084323d"},
 ]
 pbr = [
-    {file = "pbr-5.10.0-py2.py3-none-any.whl", hash = "sha256:da3e18aac0a3c003e9eea1a81bd23e5a3a75d745670dcf736317b7d966887fdf"},
-    {file = "pbr-5.10.0.tar.gz", hash = "sha256:cfcc4ff8e698256fc17ea3ff796478b050852585aa5bae79ecd05b2ab7b39b9a"},
+    {file = "pbr-5.11.0-py2.py3-none-any.whl", hash = "sha256:db2317ff07c84c4c63648c9064a79fe9d9f5c7ce85a9099d4b6258b3db83225a"},
+    {file = "pbr-5.11.0.tar.gz", hash = "sha256:b97bc6695b2aff02144133c2e7399d5885223d42b7912ffaec2ca3898e673bfe"},
 ]
 platformdirs = [
     {file = "platformdirs-2.5.2-py3-none-any.whl", hash = "sha256:027d8e83a2d7de06bbac4e5ef7e023c02b863d7ea5d079477e722bb41ab25788"},
@@ -779,25 +896,65 @@ pluggy = [
     {file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
     {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
 ]
+polywrap-manifest = []
+polywrap-msgpack = []
 py = [
     {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
     {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
+pydantic = [
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bb6ad4489af1bac6955d38ebcb95079a836af31e4c4f74aba1ca05bb9f6027bd"},
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a1f5a63a6dfe19d719b1b6e6106561869d2efaca6167f84f5ab9347887d78b98"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:352aedb1d71b8b0736c6d56ad2bd34c6982720644b0624462059ab29bd6e5912"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:19b3b9ccf97af2b7519c42032441a891a5e05c68368f40865a90eb88833c2559"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:e9069e1b01525a96e6ff49e25876d90d5a563bc31c658289a8772ae186552236"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:355639d9afc76bcb9b0c3000ddcd08472ae75318a6eb67a15866b87e2efa168c"},
+    {file = "pydantic-1.10.2-cp310-cp310-win_amd64.whl", hash = "sha256:ae544c47bec47a86bc7d350f965d8b15540e27e5aa4f55170ac6a75e5f73b644"},
+    {file = "pydantic-1.10.2-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:a4c805731c33a8db4b6ace45ce440c4ef5336e712508b4d9e1aafa617dc9907f"},
+    {file = "pydantic-1.10.2-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:d49f3db871575e0426b12e2f32fdb25e579dea16486a26e5a0474af87cb1ab0a"},
+    {file = "pydantic-1.10.2-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:37c90345ec7dd2f1bcef82ce49b6235b40f282b94d3eec47e801baf864d15525"},
+    {file = "pydantic-1.10.2-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:7b5ba54d026c2bd2cb769d3468885f23f43710f651688e91f5fb1edcf0ee9283"},
+    {file = "pydantic-1.10.2-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:05e00dbebbe810b33c7a7362f231893183bcc4251f3f2ff991c31d5c08240c42"},
+    {file = "pydantic-1.10.2-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:2d0567e60eb01bccda3a4df01df677adf6b437958d35c12a3ac3e0f078b0ee52"},
+    {file = "pydantic-1.10.2-cp311-cp311-win_amd64.whl", hash = "sha256:c6f981882aea41e021f72779ce2a4e87267458cc4d39ea990729e21ef18f0f8c"},
+    {file = "pydantic-1.10.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:c4aac8e7103bf598373208f6299fa9a5cfd1fc571f2d40bf1dd1955a63d6eeb5"},
+    {file = "pydantic-1.10.2-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:81a7b66c3f499108b448f3f004801fcd7d7165fb4200acb03f1c2402da73ce4c"},
+    {file = "pydantic-1.10.2-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:bedf309630209e78582ffacda64a21f96f3ed2e51fbf3962d4d488e503420254"},
+    {file = "pydantic-1.10.2-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:9300fcbebf85f6339a02c6994b2eb3ff1b9c8c14f502058b5bf349d42447dcf5"},
+    {file = "pydantic-1.10.2-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:216f3bcbf19c726b1cc22b099dd409aa371f55c08800bcea4c44c8f74b73478d"},
+    {file = "pydantic-1.10.2-cp37-cp37m-win_amd64.whl", hash = "sha256:dd3f9a40c16daf323cf913593083698caee97df2804aa36c4b3175d5ac1b92a2"},
+    {file = "pydantic-1.10.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:b97890e56a694486f772d36efd2ba31612739bc6f3caeee50e9e7e3ebd2fdd13"},
+    {file = "pydantic-1.10.2-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:9cabf4a7f05a776e7793e72793cd92cc865ea0e83a819f9ae4ecccb1b8aa6116"},
+    {file = "pydantic-1.10.2-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:06094d18dd5e6f2bbf93efa54991c3240964bb663b87729ac340eb5014310624"},
+    {file = "pydantic-1.10.2-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:cc78cc83110d2f275ec1970e7a831f4e371ee92405332ebfe9860a715f8336e1"},
+    {file = "pydantic-1.10.2-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:1ee433e274268a4b0c8fde7ad9d58ecba12b069a033ecc4645bb6303c062d2e9"},
+    {file = "pydantic-1.10.2-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:7c2abc4393dea97a4ccbb4ec7d8658d4e22c4765b7b9b9445588f16c71ad9965"},
+    {file = "pydantic-1.10.2-cp38-cp38-win_amd64.whl", hash = "sha256:0b959f4d8211fc964772b595ebb25f7652da3f22322c007b6fed26846a40685e"},
+    {file = "pydantic-1.10.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c33602f93bfb67779f9c507e4d69451664524389546bacfe1bee13cae6dc7488"},
+    {file = "pydantic-1.10.2-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:5760e164b807a48a8f25f8aa1a6d857e6ce62e7ec83ea5d5c5a802eac81bad41"},
+    {file = "pydantic-1.10.2-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6eb843dcc411b6a2237a694f5e1d649fc66c6064d02b204a7e9d194dff81eb4b"},
+    {file = "pydantic-1.10.2-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:4b8795290deaae348c4eba0cebb196e1c6b98bdbe7f50b2d0d9a4a99716342fe"},
+    {file = "pydantic-1.10.2-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:e0bedafe4bc165ad0a56ac0bd7695df25c50f76961da29c050712596cf092d6d"},
+    {file = "pydantic-1.10.2-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:2e05aed07fa02231dbf03d0adb1be1d79cabb09025dd45aa094aa8b4e7b9dcda"},
+    {file = "pydantic-1.10.2-cp39-cp39-win_amd64.whl", hash = "sha256:c1ba1afb396148bbc70e9eaa8c06c1716fdddabaf86e7027c5988bae2a829ab6"},
+    {file = "pydantic-1.10.2-py3-none-any.whl", hash = "sha256:1b6ee725bd6e83ec78b1aa32c5b1fa67a3a65badddde3976bca5fe4568f27709"},
+    {file = "pydantic-1.10.2.tar.gz", hash = "sha256:91b8e218852ef6007c2b98cd861601c6a09f1aa32bbbb74fab5b1c33d4a1e410"},
+]
 pydocstyle = [
     {file = "pydocstyle-6.1.1-py3-none-any.whl", hash = "sha256:6987826d6775056839940041beef5c08cc7e3d71d63149b48e36727f70144dc4"},
     {file = "pydocstyle-6.1.1.tar.gz", hash = "sha256:1d41b7c459ba0ee6c345f2eb9ae827cab14a7533a88c5c6f7e94923f72df92dc"},
 ]
 pylint = [
-    {file = "pylint-2.15.4-py3-none-any.whl", hash = "sha256:629cf1dbdfb6609d7e7a45815a8bb59300e34aa35783b5ac563acaca2c4022e9"},
-    {file = "pylint-2.15.4.tar.gz", hash = "sha256:5441e9294335d354b7bad57c1044e5bd7cce25c433475d76b440e53452fa5cb8"},
+    {file = "pylint-2.15.5-py3-none-any.whl", hash = "sha256:c2108037eb074334d9e874dc3c783752cc03d0796c88c9a9af282d0f161a1004"},
+    {file = "pylint-2.15.5.tar.gz", hash = "sha256:3b120505e5af1d06a5ad76b55d8660d44bf0f2fc3c59c2bdd94e39188ee3a4df"},
 ]
 pyparsing = [
     {file = "pyparsing-3.0.9-py3-none-any.whl", hash = "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"},
     {file = "pyparsing-3.0.9.tar.gz", hash = "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb"},
 ]
 pyright = [
-    {file = "pyright-1.1.275-py3-none-any.whl", hash = "sha256:83072f509e18160f2661a2276ac85f471112dbcfc1dadf0cbb0393a4d56db72a"},
-    {file = "pyright-1.1.275.tar.gz", hash = "sha256:f0061ce47c785b9b64745b7648ff9732a99811ef7c7f3f88642aa2cb7868c81e"},
+    {file = "pyright-1.1.276-py3-none-any.whl", hash = "sha256:d9388405ea20a55446cb7809b1746158bdf557f9162b476f5aed71173f4ffd2b"},
+    {file = "pyright-1.1.276.tar.gz", hash = "sha256:debaa08f6975dd381b9408880e36bb781ba7a1a6cf24b7868e83be41b6c8cb75"},
 ]
 pytest = [
     {file = "pytest-7.1.3-py3-none-any.whl", hash = "sha256:1377bda3466d70b55e3f5cecfa55bb7cfcf219c7964629b967c37cf0bda818b7"},
@@ -859,8 +1016,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.2.0.tar.gz", hash = "sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1"},
 ]
 stevedore = [
-    {file = "stevedore-4.0.1-py3-none-any.whl", hash = "sha256:01645addb67beff04c7cfcbb0a6af8327d2efc3380b0f034aa316d4576c4d470"},
-    {file = "stevedore-4.0.1.tar.gz", hash = "sha256:9a23111a6e612270c591fd31ff3321c6b5f3d5f3dabb1427317a5ab608fc261a"},
+    {file = "stevedore-4.1.0-py3-none-any.whl", hash = "sha256:3b1cbd592a87315f000d05164941ee5e164899f8fc0ce9a00bb0f321f40ef93e"},
+    {file = "stevedore-4.1.0.tar.gz", hash = "sha256:02518a8f0d6d29be8a445b7f2ac63753ff29e8f2a2faa01777568d5500d777a6"},
 ]
 toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
@@ -882,6 +1039,10 @@ tox-poetry = [
     {file = "tox-poetry-0.4.1.tar.gz", hash = "sha256:2395808e1ce487b5894c10f2202e14702bfa6d6909c0d1e525170d14809ac7ef"},
     {file = "tox_poetry-0.4.1-py2.py3-none-any.whl", hash = "sha256:11d9cd4e51d4cd9484b3ba63f2650ab4cfb4096e5f0682ecf561ddfc3c8e8c92"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-4.4.0-py3-none-any.whl", hash = "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"},
+    {file = "typing_extensions-4.4.0.tar.gz", hash = "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa"},
+]
 virtualenv = [
     {file = "virtualenv-20.16.5-py3-none-any.whl", hash = "sha256:d07dfc5df5e4e0dbc92862350ad87a36ed505b978f6c39609dc489eadd5b0d27"},
     {file = "virtualenv-20.16.5.tar.gz", hash = "sha256:227ea1b9994fdc5ea31977ba3383ef296d7472ea85be9d6732e42a91c04e80da"},
diff --git a/packages/polywrap-core/polywrap_core/types/client.py b/packages/polywrap-core/polywrap_core/types/client.py
index aea397cd..754409b2 100644
--- a/packages/polywrap-core/polywrap_core/types/client.py
+++ b/packages/polywrap-core/polywrap_core/types/client.py
@@ -4,6 +4,8 @@
 from dataclasses import dataclass, field
 from typing import List, Optional, Union
 
+from polywrap_manifest import DeserializeManifestOptions, AnyWrapManifest
+
 from .env import Env
 from .invoke import Invoker
 from .uri import Uri
@@ -18,26 +20,26 @@ class ClientConfig:
 
 
 @dataclass(slots=True, kw_only=True)
-class Contextualized:
-    context_id: Optional[str] = None
-
-
-@dataclass(slots=True, kw_only=True)
-class GetEnvsOptions(Contextualized):
+class GetEnvsOptions:
     pass
 
 
 @dataclass(slots=True, kw_only=True)
-class GetUriResolversOptions(Contextualized):
+class GetUriResolversOptions:
     pass
 
 
 @dataclass(slots=True, kw_only=True)
-class GetFileOptions(Contextualized):
+class GetFileOptions:
     path: str
     encoding: Optional[str] = "utf-8"
 
 
+@dataclass(slots=True, kw_only=True)
+class GetManifestOptions(DeserializeManifestOptions):
+    pass
+
+
 class Client(Invoker, UriResolverHandler):
     @abstractmethod
     def get_envs(self, options: Optional[GetEnvsOptions] = None) -> List[Env]:
@@ -52,9 +54,13 @@ def get_env_by_uri(
     @abstractmethod
     def get_uri_resolver(
         self, options: Optional[GetUriResolversOptions] = None
-    ) -> List[IUriResolver]:
+    ) -> IUriResolver:
         pass
 
     @abstractmethod
     async def get_file(self, uri: Uri, options: GetFileOptions) -> Union[bytes, str]:
         pass
+
+    @abstractmethod
+    async def get_manifest(self, uri: Uri, options: Optional[GetManifestOptions] = None) -> AnyWrapManifest:
+        pass
diff --git a/packages/polywrap-core/polywrap_core/types/file_reader.py b/packages/polywrap-core/polywrap_core/types/file_reader.py
index 1d7fc1b6..70433e33 100644
--- a/packages/polywrap-core/polywrap_core/types/file_reader.py
+++ b/packages/polywrap-core/polywrap_core/types/file_reader.py
@@ -3,5 +3,5 @@
 
 class IFileReader(ABC):
     @abstractmethod
-    async def read_file(self, file_path: str) -> bytearray:
+    async def read_file(self, file_path: str) -> bytes:
         pass
diff --git a/packages/polywrap-core/polywrap_core/types/invoke.py b/packages/polywrap-core/polywrap_core/types/invoke.py
index 029a76a7..b46d2cf6 100644
--- a/packages/polywrap-core/polywrap_core/types/invoke.py
+++ b/packages/polywrap-core/polywrap_core/types/invoke.py
@@ -60,5 +60,5 @@ async def invoke(self, options: InvokerOptions) -> InvokeResult:
 
 class Invocable(ABC):
     @abstractmethod
-    async def invoke(self, invoker: Invoker, options: InvokeOptions) -> InvocableResult:
+    async def invoke(self, options: InvokeOptions, invoker: Invoker) -> InvocableResult:
         pass
diff --git a/packages/polywrap-core/polywrap_core/types/wasm_package.py b/packages/polywrap-core/polywrap_core/types/wasm_package.py
index 6e9fdba6..cc32b02a 100644
--- a/packages/polywrap-core/polywrap_core/types/wasm_package.py
+++ b/packages/polywrap-core/polywrap_core/types/wasm_package.py
@@ -1,9 +1,17 @@
 from abc import ABC, abstractmethod
+from typing import Optional
 
+from polywrap_manifest import AnyWrapManifest
+
+from .client import GetManifestOptions
 from .wrapper import Wrapper
 
 
 class IWasmPackage(ABC):
     @abstractmethod
-    def create_wrapper(self) -> Wrapper:
+    async def create_wrapper(self) -> Wrapper:
+        pass
+
+    @abstractmethod
+    async def get_manifest(self, options: Optional[GetManifestOptions] = None) -> AnyWrapManifest:
         pass
diff --git a/packages/polywrap-core/polywrap_core/types/wrapper.py b/packages/polywrap-core/polywrap_core/types/wrapper.py
index 8570a4e1..f5f06e7a 100644
--- a/packages/polywrap-core/polywrap_core/types/wrapper.py
+++ b/packages/polywrap-core/polywrap_core/types/wrapper.py
@@ -1,7 +1,9 @@
 from abc import abstractmethod
 from typing import Dict, Union
 
-from .client import Client, GetFileOptions
+from polywrap_manifest import AnyWrapManifest
+
+from .client import GetFileOptions
 from .invoke import Invocable, InvocableResult, InvokeOptions, Invoker
 
 
@@ -20,9 +22,13 @@ async def invoke(self, options: InvokeOptions, invoker: Invoker) -> InvocableRes
 
     @abstractmethod
     async def get_file(
-        self, options: GetFileOptions, client: Client
+        self, options: GetFileOptions
     ) -> Union[str, bytes]:
         pass
 
+    @abstractmethod
+    def get_manifest(self) -> AnyWrapManifest:
+        pass
+
 
 WrapperCache = Dict[str, Wrapper]
diff --git a/packages/polywrap-core/pyproject.toml b/packages/polywrap-core/pyproject.toml
index 3d23abf5..406cc587 100644
--- a/packages/polywrap-core/pyproject.toml
+++ b/packages/polywrap-core/pyproject.toml
@@ -13,6 +13,8 @@ python = "^3.10"
 gql = "3.4.0"
 graphql-core = "^3.2.1"
 result = "^0.8.0"
+polywrap-manifest = { path = "../polywrap-manifest", develop = true }
+pydantic = "^1.10.2"
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.2"
diff --git a/packages/polywrap-manifest/poetry.lock b/packages/polywrap-manifest/poetry.lock
index 329b24b0..69b2b96d 100644
--- a/packages/polywrap-manifest/poetry.lock
+++ b/packages/polywrap-manifest/poetry.lock
@@ -573,7 +573,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 name = "pydantic"
 version = "1.10.2"
 description = "Data validation and settings management using python type hints"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 
@@ -891,7 +891,7 @@ python-versions = ">=3.6"
 name = "typing-extensions"
 version = "4.4.0"
 description = "Backported and Experimental Type Hints for Python 3.7+"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 
@@ -936,7 +936,7 @@ python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "828f376028884e022334097fb1cc276f1495d12700379d81f92900879635994b"
+content-hash = "11d5a79a1183aa536e6baeef537476f7dc6a41ef6c109fa1c872a62e733d22dd"
 
 [metadata.files]
 anyio = [
diff --git a/packages/polywrap-manifest/pyproject.toml b/packages/polywrap-manifest/pyproject.toml
index b4ccef68..b4487d46 100644
--- a/packages/polywrap-manifest/pyproject.toml
+++ b/packages/polywrap-manifest/pyproject.toml
@@ -12,6 +12,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = "^3.10"
 polywrap-msgpack = { path = "../polywrap-msgpack", develop = true }
+pydantic = "^1.10.2"
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.2"
diff --git a/packages/polywrap-manifest/tests/test_manifest.py b/packages/polywrap-manifest/tests/test_manifest.py
index ea023188..8b0d4dc0 100644
--- a/packages/polywrap-manifest/tests/test_manifest.py
+++ b/packages/polywrap-manifest/tests/test_manifest.py
@@ -1,12 +1,14 @@
-import pytest
 from pathlib import Path
+
+import pytest
+from polywrap_msgpack import msgpack_decode, msgpack_encode
+from pydantic import ValidationError
+
 from polywrap_manifest import (
-    deserialize_wrap_manifest,
-    WrapManifest_0_1,
     DeserializeManifestOptions,
+    WrapManifest_0_1,
+    deserialize_wrap_manifest,
 )
-from pydantic import ValidationError
-from polywrap_msgpack import msgpack_encode, msgpack_decode
 
 
 @pytest.fixture
@@ -21,7 +23,9 @@ def msgpack_manifest(test_case_dir: Path) -> bytes:
 
 
 def test_deserialize_without_validate(msgpack_manifest: bytes):
-    deserialized = deserialize_wrap_manifest(msgpack_manifest, DeserializeManifestOptions(no_validate=True))
+    deserialized = deserialize_wrap_manifest(
+        msgpack_manifest, DeserializeManifestOptions(no_validate=True)
+    )
     assert isinstance(deserialized, WrapManifest_0_1)
     assert deserialized.version.value == "0.1"
     assert deserialized.abi.version == "0.1"
@@ -58,9 +62,9 @@ def test_unaccepted_field(msgpack_manifest: bytes):
 
 def test_invalid_name(msgpack_manifest: bytes):
     decoded = msgpack_decode(msgpack_manifest)
-    decoded["name"] = "foo bar baz $%##$@#$@#$@#$#$",
+    decoded["name"] = ("foo bar baz $%##$@#$@#$@#$#$",)
     manifest: bytes = msgpack_encode(decoded)
 
     with pytest.raises(ValidationError) as e:
         deserialize_wrap_manifest(manifest)
-    assert e.match("str type expected")
\ No newline at end of file
+    assert e.match("str type expected")
diff --git a/packages/polywrap-manifest/tox.ini b/packages/polywrap-manifest/tox.ini
index 907115a9..c680b728 100644
--- a/packages/polywrap-manifest/tox.ini
+++ b/packages/polywrap-manifest/tox.ini
@@ -8,23 +8,23 @@ commands =
 
 [testenv:lint]
 commands =
-    isort --check-only polywrap_msgpack
-    black --check polywrap_msgpack
-    pylint polywrap_msgpack
-    pydocstyle polywrap_msgpack
+    isort --check-only polywrap_manifest
+    black --check polywrap_manifest
+    pylint polywrap_manifest
+    pydocstyle polywrap_manifest
 
 [testenv:typecheck]
 commands = 
-    pyright polywrap_msgpack
+    pyright polywrap_manifest
 
 [testenv:secure]
 commands = 
-    bandit -r polywrap_msgpack -c pyproject.toml
+    bandit -r polywrap_manifest -c pyproject.toml
 
 [testenv:dev]
 basepython = python3.10
 usedevelop = True
 commands = 
-    isort polywrap_msgpack
-    black polywrap_msgpack
+    isort polywrap_manifest
+    black polywrap_manifest
 
diff --git a/packages/polywrap-uri-resolvers/poetry.lock b/packages/polywrap-uri-resolvers/poetry.lock
index 457c0846..5cd8cb1b 100644
--- a/packages/polywrap-uri-resolvers/poetry.lock
+++ b/packages/polywrap-uri-resolvers/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "astroid"
-version = "2.12.11"
+version = "2.12.12"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
@@ -278,7 +278,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "pbr"
-version = "5.10.0"
+version = "5.11.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -320,12 +320,30 @@ develop = true
 [package.dependencies]
 gql = "3.4.0"
 graphql-core = "^3.2.1"
+polywrap-manifest = {path = "../polywrap-manifest", develop = true}
 result = "^0.8.0"
 
 [package.source]
 type = "directory"
 url = "../polywrap-core"
 
+[[package]]
+name = "polywrap-manifest"
+version = "0.1.0"
+description = "WRAP manifest"
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
+pydantic = "^1.10.2"
+
+[package.source]
+type = "directory"
+url = "../polywrap-manifest"
+
 [[package]]
 name = "polywrap-msgpack"
 version = "0.1.0"
@@ -353,6 +371,7 @@ develop = true
 
 [package.dependencies]
 polywrap-core = {path = "../polywrap-core", develop = true}
+polywrap-manifest = {path = "../polywrap-manifest", develop = true}
 polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
 unsync = "^1.4.0"
 wasmtime = "^1.0.1"
@@ -369,6 +388,21 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "pydantic"
+version = "1.10.2"
+description = "Data validation and settings management using python type hints"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+typing-extensions = ">=4.1.0"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
 [[package]]
 name = "pydocstyle"
 version = "6.1.1"
@@ -385,14 +419,14 @@ toml = ["toml"]
 
 [[package]]
 name = "pylint"
-version = "2.15.4"
+version = "2.15.5"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = ">=3.7.2"
 
 [package.dependencies]
-astroid = ">=2.12.11,<=2.14.0-dev0"
+astroid = ">=2.12.12,<=2.14.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
 dill = ">=0.2"
 isort = ">=4.2.5,<6"
@@ -418,7 +452,7 @@ diagrams = ["railroad-diagrams", "jinja2"]
 
 [[package]]
 name = "pyright"
-version = "1.1.275"
+version = "1.1.276"
 description = "Command line wrapper for pyright"
 category = "dev"
 optional = false
@@ -507,7 +541,7 @@ python-versions = "*"
 
 [[package]]
 name = "stevedore"
-version = "4.0.1"
+version = "4.1.0"
 description = "Manage dynamic plugins for Python applications"
 category = "dev"
 optional = false
@@ -578,6 +612,14 @@ tox = {version = ">=3.7.0", markers = "python_version >= \"3\""}
 [package.extras]
 test = ["pylint", "pycodestyle", "pytest", "coverage"]
 
+[[package]]
+name = "typing-extensions"
+version = "4.4.0"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "unsync"
 version = "1.4.0"
@@ -641,8 +683,8 @@ content-hash = "dcda29cfe682bf2ed7c21342a654077308b7cd96fcca19749790dfe0555a5c99
 
 [metadata.files]
 astroid = [
-    {file = "astroid-2.12.11-py3-none-any.whl", hash = "sha256:867a756bbf35b7bc07b35bfa6522acd01f91ad9919df675e8428072869792dce"},
-    {file = "astroid-2.12.11.tar.gz", hash = "sha256:2df4f9980c4511474687895cbfdb8558293c1a826d9118bb09233d7c2bff1c83"},
+    {file = "astroid-2.12.12-py3-none-any.whl", hash = "sha256:72702205200b2a638358369d90c222d74ebc376787af8fb2f7f2a86f7b5cc85f"},
+    {file = "astroid-2.12.12.tar.gz", hash = "sha256:1c00a14f5a3ed0339d38d2e2e5b74ea2591df5861c0936bb292b84ccf3a78d83"},
 ]
 attrs = [
     {file = "attrs-22.1.0-py2.py3-none-any.whl", hash = "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"},
@@ -902,8 +944,8 @@ pathspec = [
     {file = "pathspec-0.10.1.tar.gz", hash = "sha256:7ace6161b621d31e7902eb6b5ae148d12cfd23f4a249b9ffb6b9fee12084323d"},
 ]
 pbr = [
-    {file = "pbr-5.10.0-py2.py3-none-any.whl", hash = "sha256:da3e18aac0a3c003e9eea1a81bd23e5a3a75d745670dcf736317b7d966887fdf"},
-    {file = "pbr-5.10.0.tar.gz", hash = "sha256:cfcc4ff8e698256fc17ea3ff796478b050852585aa5bae79ecd05b2ab7b39b9a"},
+    {file = "pbr-5.11.0-py2.py3-none-any.whl", hash = "sha256:db2317ff07c84c4c63648c9064a79fe9d9f5c7ce85a9099d4b6258b3db83225a"},
+    {file = "pbr-5.11.0.tar.gz", hash = "sha256:b97bc6695b2aff02144133c2e7399d5885223d42b7912ffaec2ca3898e673bfe"},
 ]
 platformdirs = [
     {file = "platformdirs-2.5.2-py3-none-any.whl", hash = "sha256:027d8e83a2d7de06bbac4e5ef7e023c02b863d7ea5d079477e722bb41ab25788"},
@@ -914,27 +956,66 @@ pluggy = [
     {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
 ]
 polywrap-core = []
+polywrap-manifest = []
 polywrap-msgpack = []
 polywrap-wasm = []
 py = [
     {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
     {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
+pydantic = [
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bb6ad4489af1bac6955d38ebcb95079a836af31e4c4f74aba1ca05bb9f6027bd"},
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a1f5a63a6dfe19d719b1b6e6106561869d2efaca6167f84f5ab9347887d78b98"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:352aedb1d71b8b0736c6d56ad2bd34c6982720644b0624462059ab29bd6e5912"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:19b3b9ccf97af2b7519c42032441a891a5e05c68368f40865a90eb88833c2559"},
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 pydocstyle = [
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-    {file = "pyright-1.1.275-py3-none-any.whl", hash = "sha256:83072f509e18160f2661a2276ac85f471112dbcfc1dadf0cbb0393a4d56db72a"},
-    {file = "pyright-1.1.275.tar.gz", hash = "sha256:f0061ce47c785b9b64745b7648ff9732a99811ef7c7f3f88642aa2cb7868c81e"},
+    {file = "pyright-1.1.276-py3-none-any.whl", hash = "sha256:d9388405ea20a55446cb7809b1746158bdf557f9162b476f5aed71173f4ffd2b"},
+    {file = "pyright-1.1.276.tar.gz", hash = "sha256:debaa08f6975dd381b9408880e36bb781ba7a1a6cf24b7868e83be41b6c8cb75"},
 ]
 pytest = [
     {file = "pytest-7.1.3-py3-none-any.whl", hash = "sha256:1377bda3466d70b55e3f5cecfa55bb7cfcf219c7964629b967c37cf0bda818b7"},
@@ -996,8 +1077,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.2.0.tar.gz", hash = "sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1"},
 ]
 stevedore = [
-    {file = "stevedore-4.0.1-py3-none-any.whl", hash = "sha256:01645addb67beff04c7cfcbb0a6af8327d2efc3380b0f034aa316d4576c4d470"},
-    {file = "stevedore-4.0.1.tar.gz", hash = "sha256:9a23111a6e612270c591fd31ff3321c6b5f3d5f3dabb1427317a5ab608fc261a"},
+    {file = "stevedore-4.1.0-py3-none-any.whl", hash = "sha256:3b1cbd592a87315f000d05164941ee5e164899f8fc0ce9a00bb0f321f40ef93e"},
+    {file = "stevedore-4.1.0.tar.gz", hash = "sha256:02518a8f0d6d29be8a445b7f2ac63753ff29e8f2a2faa01777568d5500d777a6"},
 ]
 toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
@@ -1019,6 +1100,10 @@ tox-poetry = [
     {file = "tox-poetry-0.4.1.tar.gz", hash = "sha256:2395808e1ce487b5894c10f2202e14702bfa6d6909c0d1e525170d14809ac7ef"},
     {file = "tox_poetry-0.4.1-py2.py3-none-any.whl", hash = "sha256:11d9cd4e51d4cd9484b3ba63f2650ab4cfb4096e5f0682ecf561ddfc3c8e8c92"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-4.4.0-py3-none-any.whl", hash = "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"},
+    {file = "typing_extensions-4.4.0.tar.gz", hash = "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa"},
+]
 unsync = [
     {file = "unsync-1.4.0.tar.gz", hash = "sha256:a29e0f8952ffb0b3a0453ce436819a5a1ba2febbb5caa707c319f6f98d35f3c5"},
 ]
diff --git a/packages/polywrap-uri-resolvers/polywrap_uri_resolvers/fs_resolver.py b/packages/polywrap-uri-resolvers/polywrap_uri_resolvers/fs_resolver.py
index 886e0ac1..0ad82013 100644
--- a/packages/polywrap-uri-resolvers/polywrap_uri_resolvers/fs_resolver.py
+++ b/packages/polywrap-uri-resolvers/polywrap_uri_resolvers/fs_resolver.py
@@ -1,3 +1,4 @@
+from pathlib import Path
 from polywrap_core import (
     Client,
     IFileReader,
@@ -7,7 +8,7 @@
     UriPackage,
     UriPackageOrWrapper,
 )
-from polywrap_wasm import WasmPackage
+from polywrap_wasm import WasmPackage, WRAP_MODULE_PATH, WRAP_MANIFEST_PATH
 from result import Ok, Result
 
 
@@ -29,12 +30,15 @@ async def try_resolve_uri(
         if uri.authority not in ["fs", "file"]:
             return Ok(uri)
 
-        wasm_module = await self.file_reader.read_file(uri.path)
+        wrapper_path = Path(uri.path)
+        wasm_module = await self.file_reader.read_file(str(wrapper_path / WRAP_MODULE_PATH))
+        manifest = await self.file_reader.read_file(str(wrapper_path / WRAP_MANIFEST_PATH))
+
         return Ok(
             UriPackage(
                 uri=uri,
                 package=WasmPackage(
-                    wasm_module=wasm_module, file_reader=self.file_reader
+                    wasm_module=wasm_module, manifest=manifest, file_reader=self.file_reader
                 ),
             )
         )
diff --git a/packages/polywrap-uri-resolvers/tests/cases/simple/wrap.info b/packages/polywrap-uri-resolvers/tests/cases/simple/wrap.info
new file mode 100644
index 00000000..e0ca0d11
--- /dev/null
+++ b/packages/polywrap-uri-resolvers/tests/cases/simple/wrap.info
@@ -0,0 +1 @@
+„§version£0.1¤name¦Simple¤type¤wasm£abi‚§version£0.1ªmoduleTypeƒ¤type¦Module¤kindÌ€§methods‘†¤name¬simpleMethod¦return…¤type¦String¤name¬simpleMethod¨requiredäkind"¦scalar„¤name¬simpleMethod¤type¦String¨requiredäkind¤type¦Method¤kind@¨requiredéarguments‘…¤type¦String¤name£arg¨requiredäkind"¦scalar„¤name£arg¤type¦String¨requiredäkind
\ No newline at end of file
diff --git a/packages/polywrap-wasm/tests/cases/simple_wrap_invoke.wasm b/packages/polywrap-uri-resolvers/tests/cases/simple/wrap.wasm
similarity index 100%
rename from packages/polywrap-wasm/tests/cases/simple_wrap_invoke.wasm
rename to packages/polywrap-uri-resolvers/tests/cases/simple/wrap.wasm
diff --git a/packages/polywrap-uri-resolvers/tests/test_file_resolver.py b/packages/polywrap-uri-resolvers/tests/test_file_resolver.py
index 93f653fb..aa9e6c11 100644
--- a/packages/polywrap-uri-resolvers/tests/test_file_resolver.py
+++ b/packages/polywrap-uri-resolvers/tests/test_file_resolver.py
@@ -16,7 +16,7 @@ def fs_resolver(file_reader: IFileReader):
 
 @pytest.mark.asyncio
 async def test_file_resolver(fs_resolver: IUriResolver):
-    path = Path(__file__).parent.parent.joinpath("README.md")
+    path = Path(__file__).parent / "cases" / "simple"
     uri = Uri(f"wrap://fs/{path}")
 
     result = await fs_resolver.try_resolve_uri(uri, None, None) # type: ignore
diff --git a/packages/polywrap-wasm/poetry.lock b/packages/polywrap-wasm/poetry.lock
index 8cb31cc1..43a92204 100644
--- a/packages/polywrap-wasm/poetry.lock
+++ b/packages/polywrap-wasm/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "astroid"
-version = "2.12.11"
+version = "2.12.12"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
@@ -278,7 +278,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "pbr"
-version = "5.10.0"
+version = "5.11.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -320,12 +320,29 @@ develop = true
 [package.dependencies]
 gql = "3.4.0"
 graphql-core = "^3.2.1"
+polywrap-manifest = {path = "../polywrap-manifest", develop = true}
 result = "^0.8.0"
 
 [package.source]
 type = "directory"
 url = "../polywrap-core"
 
+[[package]]
+name = "polywrap-manifest"
+version = "0.1.0"
+description = "WRAP manifest"
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+polywrap-msgpack = {path = "../polywrap-msgpack", develop = true}
+
+[package.source]
+type = "directory"
+url = "../polywrap-manifest"
+
 [[package]]
 name = "polywrap-msgpack"
 version = "0.1.0"
@@ -350,6 +367,21 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "pydantic"
+version = "1.10.2"
+description = "Data validation and settings management using python type hints"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+typing-extensions = ">=4.1.0"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
 [[package]]
 name = "pydocstyle"
 version = "6.1.1"
@@ -366,14 +398,14 @@ toml = ["toml"]
 
 [[package]]
 name = "pylint"
-version = "2.15.4"
+version = "2.15.5"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = ">=3.7.2"
 
 [package.dependencies]
-astroid = ">=2.12.11,<=2.14.0-dev0"
+astroid = ">=2.12.12,<=2.14.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
 dill = ">=0.2"
 isort = ">=4.2.5,<6"
@@ -399,7 +431,7 @@ diagrams = ["railroad-diagrams", "jinja2"]
 
 [[package]]
 name = "pyright"
-version = "1.1.275"
+version = "1.1.276"
 description = "Command line wrapper for pyright"
 category = "dev"
 optional = false
@@ -488,7 +520,7 @@ python-versions = "*"
 
 [[package]]
 name = "stevedore"
-version = "4.0.1"
+version = "4.1.0"
 description = "Manage dynamic plugins for Python applications"
 category = "dev"
 optional = false
@@ -559,6 +591,14 @@ tox = {version = ">=3.7.0", markers = "python_version >= \"3\""}
 [package.extras]
 test = ["pylint", "pycodestyle", "pytest", "coverage"]
 
+[[package]]
+name = "typing-extensions"
+version = "4.4.0"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "unsync"
 version = "1.4.0"
@@ -618,12 +658,12 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "70f6b9d295f222bf160e4a09a19dbe7f694a9b57326da96b5fc3aa25c8fe5aa5"
+content-hash = "20a8d7f0987900f8d8962723211c5ffb3cee444e789c8ef31f1d56e6744d4cf2"
 
 [metadata.files]
 astroid = [
-    {file = "astroid-2.12.11-py3-none-any.whl", hash = "sha256:867a756bbf35b7bc07b35bfa6522acd01f91ad9919df675e8428072869792dce"},
-    {file = "astroid-2.12.11.tar.gz", hash = "sha256:2df4f9980c4511474687895cbfdb8558293c1a826d9118bb09233d7c2bff1c83"},
+    {file = "astroid-2.12.12-py3-none-any.whl", hash = "sha256:72702205200b2a638358369d90c222d74ebc376787af8fb2f7f2a86f7b5cc85f"},
+    {file = "astroid-2.12.12.tar.gz", hash = "sha256:1c00a14f5a3ed0339d38d2e2e5b74ea2591df5861c0936bb292b84ccf3a78d83"},
 ]
 attrs = [
     {file = "attrs-22.1.0-py2.py3-none-any.whl", hash = "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"},
@@ -883,8 +923,8 @@ pathspec = [
     {file = "pathspec-0.10.1.tar.gz", hash = "sha256:7ace6161b621d31e7902eb6b5ae148d12cfd23f4a249b9ffb6b9fee12084323d"},
 ]
 pbr = [
-    {file = "pbr-5.10.0-py2.py3-none-any.whl", hash = "sha256:da3e18aac0a3c003e9eea1a81bd23e5a3a75d745670dcf736317b7d966887fdf"},
-    {file = "pbr-5.10.0.tar.gz", hash = "sha256:cfcc4ff8e698256fc17ea3ff796478b050852585aa5bae79ecd05b2ab7b39b9a"},
+    {file = "pbr-5.11.0-py2.py3-none-any.whl", hash = "sha256:db2317ff07c84c4c63648c9064a79fe9d9f5c7ce85a9099d4b6258b3db83225a"},
+    {file = "pbr-5.11.0.tar.gz", hash = "sha256:b97bc6695b2aff02144133c2e7399d5885223d42b7912ffaec2ca3898e673bfe"},
 ]
 platformdirs = [
     {file = "platformdirs-2.5.2-py3-none-any.whl", hash = "sha256:027d8e83a2d7de06bbac4e5ef7e023c02b863d7ea5d079477e722bb41ab25788"},
@@ -895,26 +935,65 @@ pluggy = [
     {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
 ]
 polywrap-core = []
+polywrap-manifest = []
 polywrap-msgpack = []
 py = [
     {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
     {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
+pydantic = [
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bb6ad4489af1bac6955d38ebcb95079a836af31e4c4f74aba1ca05bb9f6027bd"},
+    {file = "pydantic-1.10.2-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a1f5a63a6dfe19d719b1b6e6106561869d2efaca6167f84f5ab9347887d78b98"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:352aedb1d71b8b0736c6d56ad2bd34c6982720644b0624462059ab29bd6e5912"},
+    {file = "pydantic-1.10.2-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:19b3b9ccf97af2b7519c42032441a891a5e05c68368f40865a90eb88833c2559"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:e9069e1b01525a96e6ff49e25876d90d5a563bc31c658289a8772ae186552236"},
+    {file = "pydantic-1.10.2-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:355639d9afc76bcb9b0c3000ddcd08472ae75318a6eb67a15866b87e2efa168c"},
+    {file = "pydantic-1.10.2-cp310-cp310-win_amd64.whl", hash = "sha256:ae544c47bec47a86bc7d350f965d8b15540e27e5aa4f55170ac6a75e5f73b644"},
+    {file = "pydantic-1.10.2-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:a4c805731c33a8db4b6ace45ce440c4ef5336e712508b4d9e1aafa617dc9907f"},
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 pydocstyle = [
     {file = "pydocstyle-6.1.1-py3-none-any.whl", hash = "sha256:6987826d6775056839940041beef5c08cc7e3d71d63149b48e36727f70144dc4"},
     {file = "pydocstyle-6.1.1.tar.gz", hash = "sha256:1d41b7c459ba0ee6c345f2eb9ae827cab14a7533a88c5c6f7e94923f72df92dc"},
 ]
 pylint = [
-    {file = "pylint-2.15.4-py3-none-any.whl", hash = "sha256:629cf1dbdfb6609d7e7a45815a8bb59300e34aa35783b5ac563acaca2c4022e9"},
-    {file = "pylint-2.15.4.tar.gz", hash = "sha256:5441e9294335d354b7bad57c1044e5bd7cce25c433475d76b440e53452fa5cb8"},
+    {file = "pylint-2.15.5-py3-none-any.whl", hash = "sha256:c2108037eb074334d9e874dc3c783752cc03d0796c88c9a9af282d0f161a1004"},
+    {file = "pylint-2.15.5.tar.gz", hash = "sha256:3b120505e5af1d06a5ad76b55d8660d44bf0f2fc3c59c2bdd94e39188ee3a4df"},
 ]
 pyparsing = [
     {file = "pyparsing-3.0.9-py3-none-any.whl", hash = "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"},
     {file = "pyparsing-3.0.9.tar.gz", hash = "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb"},
 ]
 pyright = [
-    {file = "pyright-1.1.275-py3-none-any.whl", hash = "sha256:83072f509e18160f2661a2276ac85f471112dbcfc1dadf0cbb0393a4d56db72a"},
-    {file = "pyright-1.1.275.tar.gz", hash = "sha256:f0061ce47c785b9b64745b7648ff9732a99811ef7c7f3f88642aa2cb7868c81e"},
+    {file = "pyright-1.1.276-py3-none-any.whl", hash = "sha256:d9388405ea20a55446cb7809b1746158bdf557f9162b476f5aed71173f4ffd2b"},
+    {file = "pyright-1.1.276.tar.gz", hash = "sha256:debaa08f6975dd381b9408880e36bb781ba7a1a6cf24b7868e83be41b6c8cb75"},
 ]
 pytest = [
     {file = "pytest-7.1.3-py3-none-any.whl", hash = "sha256:1377bda3466d70b55e3f5cecfa55bb7cfcf219c7964629b967c37cf0bda818b7"},
@@ -976,8 +1055,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.2.0.tar.gz", hash = "sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1"},
 ]
 stevedore = [
-    {file = "stevedore-4.0.1-py3-none-any.whl", hash = "sha256:01645addb67beff04c7cfcbb0a6af8327d2efc3380b0f034aa316d4576c4d470"},
-    {file = "stevedore-4.0.1.tar.gz", hash = "sha256:9a23111a6e612270c591fd31ff3321c6b5f3d5f3dabb1427317a5ab608fc261a"},
+    {file = "stevedore-4.1.0-py3-none-any.whl", hash = "sha256:3b1cbd592a87315f000d05164941ee5e164899f8fc0ce9a00bb0f321f40ef93e"},
+    {file = "stevedore-4.1.0.tar.gz", hash = "sha256:02518a8f0d6d29be8a445b7f2ac63753ff29e8f2a2faa01777568d5500d777a6"},
 ]
 toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
@@ -999,6 +1078,10 @@ tox-poetry = [
     {file = "tox-poetry-0.4.1.tar.gz", hash = "sha256:2395808e1ce487b5894c10f2202e14702bfa6d6909c0d1e525170d14809ac7ef"},
     {file = "tox_poetry-0.4.1-py2.py3-none-any.whl", hash = "sha256:11d9cd4e51d4cd9484b3ba63f2650ab4cfb4096e5f0682ecf561ddfc3c8e8c92"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-4.4.0-py3-none-any.whl", hash = "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"},
+    {file = "typing_extensions-4.4.0.tar.gz", hash = "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa"},
+]
 unsync = [
     {file = "unsync-1.4.0.tar.gz", hash = "sha256:a29e0f8952ffb0b3a0453ce436819a5a1ba2febbb5caa707c319f6f98d35f3c5"},
 ]
diff --git a/packages/polywrap-wasm/polywrap_wasm/constants.py b/packages/polywrap-wasm/polywrap_wasm/constants.py
index 95ed7b5a..11feedae 100644
--- a/packages/polywrap-wasm/polywrap_wasm/constants.py
+++ b/packages/polywrap-wasm/polywrap_wasm/constants.py
@@ -1 +1,2 @@
+WRAP_MANIFEST_PATH = "wrap.info"
 WRAP_MODULE_PATH = "wrap.wasm"
diff --git a/packages/polywrap-wasm/polywrap_wasm/inmemory_file_reader.py b/packages/polywrap-wasm/polywrap_wasm/inmemory_file_reader.py
index e2e32366..3b2dd750 100644
--- a/packages/polywrap-wasm/polywrap_wasm/inmemory_file_reader.py
+++ b/packages/polywrap-wasm/polywrap_wasm/inmemory_file_reader.py
@@ -1,18 +1,23 @@
+from typing import Optional
 from polywrap_core import IFileReader
 
-from .constants import WRAP_MODULE_PATH
+from .constants import WRAP_MANIFEST_PATH, WRAP_MODULE_PATH
 
 
 class InMemoryFileReader(IFileReader):
-    _wasm_module: bytearray
+    _wasm_manifest: Optional[bytes]
+    _wasm_module: Optional[bytes]
     _base_file_reader: IFileReader
 
-    def __init__(self, wasm_module: bytearray, base_file_reader: IFileReader):
+    def __init__(self, base_file_reader: IFileReader, wasm_module: Optional[bytes] = None, wasm_manifest: Optional[bytes] = None):
         self._wasm_module = wasm_module
+        self._wasm_manifest = wasm_manifest
         self._base_file_reader = base_file_reader
 
-    async def read_file(self, file_path: str) -> bytearray:
-        if file_path == WRAP_MODULE_PATH:
+    async def read_file(self, file_path: str) -> bytes:
+        if file_path == WRAP_MODULE_PATH and self._wasm_module:
             return self._wasm_module
+        elif file_path == WRAP_MANIFEST_PATH and self._wasm_manifest:
+            return self._wasm_manifest
         else:
             return await self._base_file_reader.read_file(file_path=file_path)
diff --git a/packages/polywrap-wasm/polywrap_wasm/wasm_package.py b/packages/polywrap-wasm/polywrap_wasm/wasm_package.py
index 33ad2ff7..5d83dbc1 100644
--- a/packages/polywrap-wasm/polywrap_wasm/wasm_package.py
+++ b/packages/polywrap-wasm/polywrap_wasm/wasm_package.py
@@ -1,19 +1,22 @@
 from typing import Optional, Union
 
-from polywrap_core import IFileReader, IWasmPackage, Wrapper
+from polywrap_core import IFileReader, IWasmPackage, Wrapper, GetManifestOptions
+from polywrap_manifest import AnyWrapManifest, deserialize_wrap_manifest
 
-from .constants import WRAP_MODULE_PATH
+from .constants import WRAP_MANIFEST_PATH, WRAP_MODULE_PATH
 from .inmemory_file_reader import InMemoryFileReader
 from .wasm_wrapper import WasmWrapper
 
 
 class WasmPackage(IWasmPackage):
     file_reader: IFileReader
-    wasm_module: Optional[bytearray]
+    manifest: Optional[Union[bytes, AnyWrapManifest]]
+    wasm_module: Optional[bytes]
 
     def __init__(
-        self, file_reader: IFileReader, wasm_module: Optional[bytearray] = None
+        self, file_reader: IFileReader, manifest: Optional[Union[bytes, AnyWrapManifest]] = None, wasm_module: Optional[bytes] = None
     ):
+        self.manifest = manifest
         self.wasm_module = wasm_module
         self.file_reader = (
             InMemoryFileReader(wasm_module=wasm_module, base_file_reader=file_reader)
@@ -21,12 +24,20 @@ def __init__(
             else file_reader
         )
 
-    async def get_wasm_module(self) -> bytearray:
-        wasm_module: bytearray = self.wasm_module or await self.file_reader.read_file(
+    async def get_manifest(self, options: Optional[GetManifestOptions] = None) -> AnyWrapManifest:
+        if self.manifest is None or isinstance(self.manifest, bytes):
+            encoded_manifest = self.manifest or await self.file_reader.read_file(WRAP_MANIFEST_PATH)
+            return deserialize_wrap_manifest(encoded_manifest, options)
+        return self.manifest
+
+    async def get_wasm_module(self) -> bytes:
+        wasm_module: bytes = self.wasm_module or await self.file_reader.read_file(
             WRAP_MODULE_PATH
         )
         self.wasm_module = wasm_module
         return wasm_module
 
-    def create_wrapper(self) -> Wrapper:
-        return WasmWrapper(self.file_reader, self.wasm_module)
+    async def create_wrapper(self) -> Wrapper:
+        wasm_module = await self.get_wasm_module()
+        wasm_manifest = await self.get_manifest() 
+        return WasmWrapper(self.file_reader, wasm_module, wasm_manifest)
diff --git a/packages/polywrap-wasm/polywrap_wasm/wasm_wrapper.py b/packages/polywrap-wasm/polywrap_wasm/wasm_wrapper.py
index 1808c9dc..7200af66 100644
--- a/packages/polywrap-wasm/polywrap_wasm/wasm_wrapper.py
+++ b/packages/polywrap-wasm/polywrap_wasm/wasm_wrapper.py
@@ -1,8 +1,7 @@
 from textwrap import dedent
-from typing import Optional, Union
+from typing import Union
 
 from polywrap_core import (
-    Client,
     GetFileOptions,
     IFileReader,
     InvocableResult,
@@ -10,10 +9,10 @@
     Invoker,
     Wrapper,
 )
+from polywrap_manifest import AnyWrapManifest
 from polywrap_msgpack import msgpack_encode
 from wasmtime import Module, Store
 
-from .constants import WRAP_MODULE_PATH
 from .errors import WasmAbortError
 from .exports import WrapExports
 from .imports import create_instance
@@ -22,32 +21,34 @@
 
 class WasmWrapper(Wrapper):
     file_reader: IFileReader
-    wasm_module: Optional[bytearray]
+    wasm_module: bytes
+    manifest: AnyWrapManifest
 
     def __init__(
-        self, file_reader: IFileReader, wasm_module: Optional[bytearray] = None
+        self, file_reader: IFileReader, wasm_module: bytes, manifest: AnyWrapManifest
     ):
         self.file_reader = file_reader
         self.wasm_module = wasm_module
+        self.manifest = manifest
+
+    def get_manifest(self) -> AnyWrapManifest:
+        return self.manifest
+
+    def get_wasm_module(self) -> bytes:
+        return self.wasm_module
 
     async def get_file(
-        self, options: GetFileOptions, client: Client
+        self, options: GetFileOptions
     ) -> Union[str, bytes]:
         data = await self.file_reader.read_file(options.path)
         return data.decode(encoding=options.encoding) if options.encoding else data
 
-    async def get_wasm_module(self) -> bytearray:
-        if not self.wasm_module:
-            self.wasm_module = await self.file_reader.read_file(WRAP_MODULE_PATH)
-        return self.wasm_module
-
     def create_wasm_instance(self, store: Store, state: State, invoker: Invoker):
         if self.wasm_module:
             module = Module(store.engine, self.wasm_module)
             return create_instance(store, module, state, invoker)
 
     async def invoke(self, options: InvokeOptions, invoker: Invoker) -> InvocableResult:
-        await self.get_wasm_module()
         state = State()
         state.method = options.method
         state.args = (
diff --git a/packages/polywrap-wasm/pyproject.toml b/packages/polywrap-wasm/pyproject.toml
index bcfc79aa..9bf00caf 100644
--- a/packages/polywrap-wasm/pyproject.toml
+++ b/packages/polywrap-wasm/pyproject.toml
@@ -13,6 +13,7 @@ readme = "README.md"
 python = "^3.10"
 wasmtime = "^1.0.1"
 polywrap-core = { path = "../polywrap-core", develop = true }
+polywrap-manifest = { path = "../polywrap-manifest", develop = true }
 polywrap-msgpack = { path = "../polywrap-msgpack", develop = true }
 unsync = "^1.4.0"
 
@@ -27,6 +28,7 @@ tox-poetry = "^0.4.1"
 isort = "^5.10.1"
 pyright = "^1.1.275"
 pydocstyle = "^6.1.1"
+pydantic = "^1.10.2"
 
 [tool.bandit]
 exclude_dirs = ["tests"]
diff --git a/packages/polywrap-wasm/tests/cases/simple/wrap.info b/packages/polywrap-wasm/tests/cases/simple/wrap.info
new file mode 100644
index 00000000..e0ca0d11
--- /dev/null
+++ b/packages/polywrap-wasm/tests/cases/simple/wrap.info
@@ -0,0 +1 @@
+„§version£0.1¤name¦Simple¤type¤wasm£abi‚§version£0.1ªmoduleTypeƒ¤type¦Module¤kindÌ€§methods‘†¤name¬simpleMethod¦return…¤type¦String¤name¬simpleMethod¨requiredäkind"¦scalar„¤name¬simpleMethod¤type¦String¨requiredäkind¤type¦Method¤kind@¨requiredéarguments‘…¤type¦String¤name£arg¨requiredäkind"¦scalar„¤name£arg¤type¦String¨requiredäkind
\ No newline at end of file
diff --git a/packages/polywrap-wasm/tests/cases/simple/wrap.wasm b/packages/polywrap-wasm/tests/cases/simple/wrap.wasm
new file mode 100644
index 00000000..fa6ac41c
Binary files /dev/null and b/packages/polywrap-wasm/tests/cases/simple/wrap.wasm differ
diff --git a/packages/polywrap-wasm/tests/test_wasm_wrapper.py b/packages/polywrap-wasm/tests/test_wasm_wrapper.py
index f215557a..81fad29c 100644
--- a/packages/polywrap-wasm/tests/test_wasm_wrapper.py
+++ b/packages/polywrap-wasm/tests/test_wasm_wrapper.py
@@ -4,8 +4,10 @@
 
 from polywrap_msgpack import msgpack_decode
 from polywrap_core import Uri, InvokeOptions, Invoker, InvokerOptions, InvokeResult
-from polywrap_wasm import IFileReader, WasmWrapper, WRAP_MODULE_PATH
+from polywrap_wasm import IFileReader, WasmPackage, WasmWrapper, WRAP_MODULE_PATH
+from polywrap_manifest import deserialize_wrap_manifest, AnyWrapManifest
 
+from polywrap_wasm.constants import WRAP_MANIFEST_PATH
 
 @pytest.fixture
 def mock_invoker():
@@ -16,37 +18,46 @@ async def invoke(self, options: InvokerOptions) -> InvokeResult:
 
 
 @pytest.fixture
-def simple_wrap_invoke_module():
-    wrap_path = Path(__file__).parent / "cases" / "simple_wrap_invoke.wasm"
+def simple_wrap_module():
+    wrap_path = Path(__file__).parent / "cases" / "simple" / "wrap.wasm"
     with open(wrap_path, "rb") as f:
-        yield bytearray(f.read())
+        yield f.read()
+
+
+@pytest.fixture
+def simple_wrap_manifest():
+    wrap_path = Path(__file__).parent / "cases" / "simple" / "wrap.info"
+    with open(wrap_path, "rb") as f:
+        yield f.read()
 
 
 @pytest.fixture
 def dummy_file_reader():
     class FileReader(IFileReader):
-        async def read_file(self, file_path: str) -> bytearray:
-            return bytearray()
+        async def read_file(self, file_path: str) -> bytes:
+            return b""
 
     yield FileReader()
 
 
 @pytest.fixture
-def simple_file_reader(simple_wrap_invoke_module: bytearray):
+def simple_file_reader(simple_wrap_module: bytes, simple_wrap_manifest: bytes):
     class FileReader(IFileReader):
-        async def read_file(self, file_path: str) -> bytearray:
+        async def read_file(self, file_path: str) -> bytes:
             if file_path == WRAP_MODULE_PATH:
-                return simple_wrap_invoke_module
+                return simple_wrap_module
+            if file_path == WRAP_MANIFEST_PATH:
+                return simple_wrap_manifest
             raise FileNotFoundError(file_path)
 
     yield FileReader()
 
 
 @pytest.mark.asyncio
-async def test_invoke_with_given_wrap_module(
-    dummy_file_reader: IFileReader, simple_wrap_invoke_module: bytearray, mock_invoker: Invoker
+async def test_invoke_with_wrapper(
+    dummy_file_reader: IFileReader, simple_wrap_module: bytes, simple_wrap_manifest: bytes, mock_invoker: Invoker
 ):
-    wrapper = WasmWrapper(dummy_file_reader, simple_wrap_invoke_module)
+    wrapper = WasmWrapper(dummy_file_reader, simple_wrap_module, deserialize_wrap_manifest(simple_wrap_manifest))
 
     message = "hey"
     args = {"arg": message}
@@ -56,8 +67,9 @@ async def test_invoke_with_given_wrap_module(
 
 
 @pytest.mark.asyncio
-async def test_invoke_with_file_reader(simple_file_reader: IFileReader, mock_invoker: Invoker):
-    wrapper = WasmWrapper(simple_file_reader)
+async def test_invoke_with_package(simple_file_reader: IFileReader, mock_invoker: Invoker):
+    package = WasmPackage(simple_file_reader)
+    wrapper = await package.create_wrapper()
 
     message = "hey"
     args = {"arg": message}