diff --git a/.github/workflows/rust.yaml b/.github/workflows/rust.yaml
index 51da4c594..b26ef5451 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/rust.yaml
@@ -9,93 +9,30 @@ on:   # yamllint disable-line rule:truthy
 name: Continuous integration
 
 jobs:
-  Prepare:
-    runs-on: ubuntu-slim
-    outputs:
-      nightly_version: ${{ steps.read_toolchain.outputs.nightly_version }}
-    steps:
-      - name: "Checkout repo"
-        uses: actions/checkout@v4
-      - name: "Read nightly version"
-        id: read_toolchain
-        run: echo "nightly_version=$(cat nightly-version)" >> $GITHUB_OUTPUT
-
-  Stable:                       # 2 jobs, one per lock file.
-    name: Test - stable toolchain
+  Test: # 6 jobs: 3 toolchains × 2 lock files.
+    name: Test - ${{ matrix.toolchain }} toolchain (${{ matrix.dep }})
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         dep: [minimal, recent]
+        toolchain: [stable, nightly, msrv]
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          ref: c3324024ced9bb1eb854397686919c3ff7d97e1e
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@stable
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
-        run: ./maintainer-tools/ci/run_task.sh stable
-
-  Nightly:                      # 2 jobs, one per lock file.
-    name: Test - nightly toolchain
-    needs: Prepare
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        dep: [minimal, recent]
-    steps:
-      - name: "Checkout repo"
-        uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          ref: c3324024ced9bb1eb854397686919c3ff7d97e1e
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: ${{ needs.Prepare.outputs.nightly_version }}
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
-        run: ./maintainer-tools/ci/run_task.sh nightly
-
-  MSRV:                         # 2 jobs, one per lock file.
-    name: Test - 1.75.0 toolchain
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        dep: [minimal, recent]
-    steps:
-      - name: "Checkout repo"
-        uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: "1.75.0"
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
-        run: ./maintainer-tools/ci/run_task.sh msrv
+      - uses: Swatinem/rust-cache@v2
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
+      - name: "Run ${{ matrix.toolchain }} tests"
+        run: |
+          cargo rbmt --lock-file ${{ matrix.dep }} test --toolchain ${{ matrix.toolchain }} \
+            -p bitreq \
+            -p corepc-client \
+            -p jsonrpc-fuzz \
+            -p jsonrpc \
+            -p corepc-types
 
   Lint:
     name: Lint - nightly toolchain
-    needs: Prepare
     runs-on: ubuntu-latest
     env:
       BITCOIND_SKIP_DOWNLOAD: "1"
@@ -106,24 +43,17 @@ jobs:
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          ref: c3324024ced9bb1eb854397686919c3ff7d97e1e
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: ${{ needs.Prepare.outputs.nightly_version }}
-      - name: "Install clippy"
-        run: rustup component add clippy
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
+      - uses: Swatinem/rust-cache@v2
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
+      - name: "Run lints"
         run: |
-          ./maintainer-tools/ci/run_task.sh lint
-          ./contrib/lint-integtation-tests.sh
+          cargo rbmt --lock-file ${{ matrix.dep }} lint \
+            -p bitreq \
+            -p corepc-client \
+            -p jsonrpc-fuzz \
+            -p jsonrpc \
+            -p corepc-types
+          ./contrib/lint-integration-tests.sh
           ./contrib/lint-verify.sh
 
   Docs:
@@ -138,22 +68,13 @@ jobs:
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          ref: c3324024ced9bb1eb854397686919c3ff7d97e1e
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@stable
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
-        run: ./maintainer-tools/ci/run_task.sh docs
+      - uses: Swatinem/rust-cache@v2
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
+      - name: "Run doc tests"
+        run: cargo rbmt --lock-file ${{ matrix.dep }} docs
 
   Docsrs:
     name: Docs - nightly toolchain
-    needs: Prepare
     runs-on: ubuntu-latest
     env:
       BITCOIND_SKIP_DOWNLOAD: "1"
@@ -164,43 +85,26 @@ jobs:
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Checkout maintainer tools"
-        uses: actions/checkout@v4
-        with:
-          repository: rust-bitcoin/rust-bitcoin-maintainer-tools
-          ref: c3324024ced9bb1eb854397686919c3ff7d97e1e
-          path: maintainer-tools
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: ${{ needs.Prepare.outputs.nightly_version }}
-      - name: "Set dependencies"
-        run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
-      - name: "Run test script"
-        run: ./maintainer-tools/ci/run_task.sh docsrs
+      - uses: Swatinem/rust-cache@v2
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
+      - name: "Run docsrs tests"
+        run: cargo rbmt --lock-file ${{ matrix.dep }} docsrs
 
   Format:                       #  1 job, run cargo fmt directly.
     name: Format - nightly toolchain
-    needs: Prepare
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: ${{ needs.Prepare.outputs.nightly_version }}
-      - name: "Install rustfmt"
-        run: rustup component add rustfmt
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
       - name: "Check formatting"
         run: |
-          cargo fmt --all -- --check
+          cargo rbmt fmt --check
           ./contrib/fmt-integration-tests.sh
           ./contrib/fmt-verify.sh
 
-
   Verify:                       #  1 job, run `verify` directly.
     name: Verify - stable toolchain
     runs-on: ubuntu-latest
@@ -247,8 +151,8 @@ jobs:
     steps:
       - name: "Checkout repo"
         uses: actions/checkout@v4
-      - name: "Select toolchain"
-        uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - uses: rust-bitcoin/rust-bitcoin-maintainer-tools/.github/actions/setup-rbmt@6560b728ae6a81af9d92713b630ba26772fbd970 # v0.1.0
       - name: "Cache downloaded bitcoind"
         uses: actions/cache@v4
         with:
diff --git a/Cargo.toml b/Cargo.toml
index d3231233c..7400e46a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 members = [ "bitreq", "client", "fuzz", "jsonrpc", "node", "types"]
 exclude = ["integration_test", "verify"]
 resolver = "2"
+rust-version = "1.75.0"
 
 [patch.crates-io.corepc-client]
 path = "client"
@@ -14,3 +15,31 @@ path = "node"
 
 [patch.crates-io.corepc-types]
 path = "types"
+
+[workspace.metadata.rbmt.toolchains]
+nightly = "nightly-2025-09-12"
+stable = "1.94.1"
+
+[workspace.metadata.rbmt.integration]
+package = "integration-test"
+versions = [
+    "30_2",
+    "30_0",
+    "29_0",
+    "28_2",
+    "28_1",
+    "28_0",
+    "27_2",
+    "27_1",
+    "27_0",
+    "26_2",
+    "25_2",
+    "24_2",
+    "23_2",
+    "22_1",
+    "0_21_2",
+    "0_20_2",
+    "0_19_1",
+    "0_18_1",
+    "0_17_2",
+]
diff --git a/bitreq/Cargo.toml b/bitreq/Cargo.toml
index 5f7dc5555..c6dbe1c30 100644
--- a/bitreq/Cargo.toml
+++ b/bitreq/Cargo.toml
@@ -45,6 +45,10 @@ url = { version = "2.4" }
 [package.metadata.docs.rs]
 all-features = true
 
+[package.metadata.rbmt.lint]
+# Unavoidable TLS/crypto dep-graph version conflicts.
+allowed_duplicates = ["base64", "windows-sys"]
+
 [features]
 default = ["std"]
 std = []
diff --git a/bitreq/src/url.rs b/bitreq/src/url.rs
index 6ba589b57..9d9603136 100644
--- a/bitreq/src/url.rs
+++ b/bitreq/src/url.rs
@@ -383,6 +383,7 @@ impl Url {
     pub fn as_str(&self) -> &str { &self.serialization }
 
     /// Returns `true` if the URL scheme is "https" or "wss".
+    #[cfg(feature = "std")]
     pub(crate) fn is_https(&self) -> bool { matches!(self.scheme(), "https" | "wss") }
 
     /// Returns `true` if a non-default port was explicitly specified in the URL.
@@ -401,6 +402,7 @@ impl Url {
     ///
     /// The returned string includes the leading `/` (if present) and the `?`
     /// separator (if there's a query string). Returns "/" if the path is empty.
+    #[cfg(feature = "std")]
     pub(crate) fn path_and_query(&self) -> String {
         let path = self.path();
         let path = if path.is_empty() { "/" } else { path };
diff --git a/client/Cargo.toml b/client/Cargo.toml
index b7c13e367..b1d9adecb 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -16,6 +16,10 @@ exclude = ["tests", "contrib"]
 all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
+[package.metadata.rbmt.lint]
+# `base64`: bitcoin (via corepc-types) uses v0.21 while jsonrpc uses v0.22.
+allowed_duplicates = ["base64"]
+
 [features]
 # Enable this feature to get a blocking JSON-RPC client.
 client-sync = ["jsonrpc"]
diff --git a/clippy.toml b/clippy.toml
index 4dc6505ee..85355417c 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -1,2 +1 @@
-msrv = "1.75.0"
 too-many-arguments-threshold = 13
diff --git a/contrib/lint-integtation-tests.sh b/contrib/lint-integration-tests.sh
similarity index 100%
rename from contrib/lint-integtation-tests.sh
rename to contrib/lint-integration-tests.sh
diff --git a/justfile b/justfile
index 30db50f8b..72c048680 100644
--- a/justfile
+++ b/justfile
@@ -39,7 +39,7 @@ lint-verify:
   $REPO_DIR/contrib/lint-verify.sh
 
 lint-integration-tests:
-  $REPO_DIR/contrib/lint-integtation-tests.sh
+  $REPO_DIR/contrib/lint-integration-tests.sh
 
 # Run cargo fmt
 fmt:
diff --git a/node/Cargo.toml b/node/Cargo.toml
index 7671ed326..7a89b7e46 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -73,3 +73,17 @@ latest = ["30_2"]
 [package.metadata.docs.rs]
 features = ["28_2"]
 rustdoc-args = ["--cfg", "docsrs"]
+
+[package.metadata.rbmt.lint]
+# The node crate requires a version feature to compile; use `latest` for per-package lint.
+features = ["latest"]
+# Duplicates from build-dep/dep splits, --target=all, or upstream version conflicts.
+allowed_duplicates = [
+    "anyhow",           # build-dep and regular dep, same version
+    "base64",           # bitcoin uses v0.21, jsonrpc uses v0.22
+    "bitcoin_hashes",   # build-dep (download) and transitive dep via bitcoin, same version
+    "bitreq",           # build-dep (download) and regular dep via jsonrpc, same version
+    "linux-raw-sys",    # same version, appears twice under --target=all
+    "rustix",           # same version, appears twice under --target=all
+    "windows-sys",      # ring/rustls pin v0.52, tar/tempfile/rustix pin v0.59
+]
diff --git a/rbmt-version b/rbmt-version
new file mode 100644
index 000000000..de57ca2d2
--- /dev/null
+++ b/rbmt-version
@@ -0,0 +1 @@
+6560b728ae6a81af9d92713b630ba26772fbd970