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feat: 2025-11-25 phase 1, includes Version, Icon, Progress#181

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movetz merged 12 commits intov0.11.xfrom
feat/2025-11-25-phase-1
Feb 13, 2026
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feat: 2025-11-25 phase 1, includes Version, Icon, Progress#181
movetz merged 12 commits intov0.11.xfrom
feat/2025-11-25-phase-1

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@yehorsobko-mac
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@yehorsobko-mac yehorsobko-mac commented Jan 23, 2026 •
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This update brings Icon to be used in Tools, Resources and Prompts. Protocol version is also updated, it doesn't mean this PR has all the features of new protocol, since it is intermediate work in progress it's ok to update it now. Progress is added to the CallToolRequest. Cancellation support.

Motivation and Context

The idea is to bring latest protocol compatibility step by step. This step brings relatively simple changes while maintaining overall codebase structure and style.

How Has This Been Tested?

I tested it locally by creating stdio mcp servers both in TS and Swift.

Breaking Changes

I guess in this part of work there's no any

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Documentation update

Checklist

  • I have read the MCP Documentation
  • My code follows the repository's style guidelines
  • New and existing tests pass locally
  • I have added appropriate error handling
  • I have added or updated documentation as needed

@DePasqualeOrg
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DePasqualeOrg commented Jan 23, 2026

I would just like to point out that the moment something like this gets merged, it becomes much more difficult to pursue a stacked-PR approach based on my fork due to merge conflicts.

@eugenepyvovarov
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eugenepyvovarov commented Jan 23, 2026

I would just like to point out that the moment something like this gets merged, it becomes much more difficult to pursue a stacked-PR approach based on my fork due to merge conflicts.

but you were not going to merge your changes anyway

@DePasqualeOrg
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DePasqualeOrg commented Jan 23, 2026

@eugenepyvovarov, it's still an open question, and there is a discussion about this on the Maintainers Discord server. I just want to point this out for the record, and others can decide on how to proceed.

@yehorsobko-mac yehorsobko-mac force-pushed the feat/2025-11-25-phase-1 branch from 09f1dae to 20d2855 Compare January 26, 2026 18:34
movetz
movetz reviewed Jan 27, 2026
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Sources/MCP/Client/Client.swift
name: String,
arguments: [String: Value]? = nil,
meta: Metadata? = nil
) throws -> RequestContext<CallTool.Result> {
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@movetz movetz Jan 27, 2026

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It looks like a braking change here.

  1. I think it's better to have overloaded or additional versions of the func - to keep them both:
  • RequestContext<CallTool.Result>
  • async -> RequestContext<CallTool.Result>
  • async -> (content: [Tool.Content], isError: Bool?)
  1. The cancellation token is not tool only related, it's request level. Maybe to simplify the current implementation keep it as advanced feature for now and provide it only via using send directly?

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@yehorsobko-mac yehorsobko-mac Jan 28, 2026

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Thanks for a comment. I added an overloaded version of callTool.

This was linked to issues Jan 27, 2026
Implement SEP-973: Icons and metadata support #182
Closed
Update to latest version of spec (2025-06-XX) #134
Closed
@yehorsobko-mac
feat: 2025-11-25 phase 2; added Logging and Completions (#196)
c1c3e86 
* feat: added Logging and Completions

* feat: updated EmbeddedResource for the latest spec

* chore: changed encoding of meta in Prompts to encodeIfPresent

* feat: compliance tests + http server transport (#197)

* feat: http server transport

* feat: added http server transport

* feat: removed unused files

* feat: added conformance tests

* feat: improved conformace testing

* chore: removed redundant files
@movetz movetz merged commit 35213e0 into v0.11.x Feb 13, 2026
@movetz movetz deleted the feat/2025-11-25-phase-1 branch February 13, 2026 10:03
yehorsobko-mac added a commit that referenced this pull request Feb 17, 2026
@yehorsobko-mac
feat: 2025-11-25 phase 1, includes Version, Icon, Progress (#181)
1c5f1d6 
* chore: fixed unit tests

* feat: added icon and progess base structs

* feat: added progress notification and meta to callTool

* feat: added tests

* feat: simplified RequestMeta encoding/decoding

* tests: added unit test to track progress

* chore: rebased v0.11.x

* feat: implemented cancellation

* feat: added overloaded callTool method

* fix: encoding Response _meta fix

* chore: added old version to the versions list

* feat: 2025-11-25 phase 2; added Logging and Completions (#196)

* feat: added Logging and Completions

* feat: updated EmbeddedResource for the latest spec

* chore: changed encoding of meta in Prompts to encodeIfPresent

* feat: compliance tests + http server transport (#197)

* feat: http server transport

* feat: added http server transport

* feat: removed unused files

* feat: added conformance tests

* feat: improved conformace testing

* chore: removed redundant files
yehorsobko-mac added a commit that referenced this pull request Feb 18, 2026
@yehorsobko-mac
feat: 2025-11-25 phase 1, includes Version, Icon, Progress (#181)
c84ec2a 
* chore: fixed unit tests

* feat: added icon and progess base structs

* feat: added progress notification and meta to callTool

* feat: added tests

* feat: simplified RequestMeta encoding/decoding

* tests: added unit test to track progress

* chore: rebased v0.11.x

* feat: implemented cancellation

* feat: added overloaded callTool method

* fix: encoding Response _meta fix

* chore: added old version to the versions list

* feat: 2025-11-25 phase 2; added Logging and Completions (#196)

* feat: added Logging and Completions

* feat: updated EmbeddedResource for the latest spec

* chore: changed encoding of meta in Prompts to encodeIfPresent

* feat: compliance tests + http server transport (#197)

* feat: http server transport

* feat: added http server transport

* feat: removed unused files

* feat: added conformance tests

* feat: improved conformace testing

* chore: removed redundant files
movetz added a commit that referenced this pull request Feb 19, 2026
@movetz @ajevans99 @yehorsobko-mac
V0.11.x (#199)
6112a39 
* Support 2025-06-18 Spec (#167)

* Support OpenAI _meta for Tool

* Update init

* Add title and outputSchema

* Concurreny issue

* General fields

* Add Generate Fields to Server elements

* 4 tab spacing

* Update Version

* Elicitation

* Format

* More tests and inits

* Elicitation in README

* Fix orphaned test

* Add title to more structs

* Public init

* Fix meta validation and make tests more generic

* Format and make Result properties public again

* Revert more visibility changes

* feat: 2025-11-25 phase 1, includes Version, Icon, Progress (#181)

* chore: fixed unit tests

* feat: added icon and progess base structs

* feat: added progress notification and meta to callTool

* feat: added tests

* feat: simplified RequestMeta encoding/decoding

* tests: added unit test to track progress

* chore: rebased v0.11.x

* feat: implemented cancellation

* feat: added overloaded callTool method

* fix: encoding Response _meta fix

* chore: added old version to the versions list

* feat: 2025-11-25 phase 2; added Logging and Completions (#196)

* feat: added Logging and Completions

* feat: updated EmbeddedResource for the latest spec

* chore: changed encoding of meta in Prompts to encodeIfPresent

* feat: compliance tests + http server transport (#197)

* feat: http server transport

* feat: added http server transport

* feat: removed unused files

* feat: added conformance tests

* feat: improved conformace testing

* chore: removed redundant files

* feat/2025-11-25: sampling, elicitation, roots (#198)

* feat: Roots implementation

* feat: added unit testing

* feat: improved unit tests and fixed NetworkTransport crash

* feat: implemented sampling and elicitation

* feat: improved sampling tests

* feat: improved elicitation tests

* feat: improved confirmance tests

* feat: improved Prompts unit tests

* feat: removed test code

* feat: updated conformance tests

* chore: removed redundant commas

* chore: removed 6.0.3 swift version from ci

* chore: improved unit tests a little bit

* chore: update README.md

* chore: add server progress tracking example to README.md

* chore: updated README.md

* chore: updated transports table formatting

* chore: updated MockNetworkConnection

---------

Co-authored-by: Austin Evans <austinjevans@me.com>
Co-authored-by: yehorsobko <yehorsobko@macpaw.com>
Velly69 added a commit to MacPaw/mcp-swift-sdk that referenced this pull request Mar 2, 2026
@Velly69 @t089
@mattt @Overcot @abcsnowwolf @samkudr @domdomegg @localden @movetz @ajevans99 @yehorsobko-mac
feat: Update fork from MCP main (#1)
844b501 
* Enable building with the Swift Linux SDK (modelcontextprotocol#151)

* Update README to document support for Alpine Linux (modelcontextprotocol#153)

* Adopt strict concurrency for project (modelcontextprotocol#157)

* Adopt strict concurrency for project

* Fix one warning related to that

* Add version-specific manifest for Swift 6.0

---------

Co-authored-by: Alexey Ivashko <a_ivashko@apple.com>
Co-authored-by: Mattt Zmuda <mattt@me.com>

* Make `Tool.description` optional (modelcontextprotocol#160)

* Make Tool.description optional

* Make description parameter in Tool initializer optional

* fix: allow description field to be absent from `Tool` (modelcontextprotocol#159)

* fix: allow description field to be absent from `Tool`
* description field is not a requried field of Tool

* Apply suggestions from code review

* Update Tests/MCPTests/ToolTests.swift

---------

Co-authored-by: Mattt <mattt@me.com>

* Add Mac Catalyst to target dependencies for EventSource. (modelcontextprotocol#163)

* chore: update licensing to Apache 2.0 for new contributions (modelcontextprotocol#177)

* Add SECURITY.md with GitHub Security Advisories guidance (modelcontextprotocol#200)

* V0.11.x (modelcontextprotocol#199)

* Support 2025-06-18 Spec (modelcontextprotocol#167)

* Support OpenAI _meta for Tool

* Update init

* Add title and outputSchema

* Concurreny issue

* General fields

* Add Generate Fields to Server elements

* 4 tab spacing

* Update Version

* Elicitation

* Format

* More tests and inits

* Elicitation in README

* Fix orphaned test

* Add title to more structs

* Public init

* Fix meta validation and make tests more generic

* Format and make Result properties public again

* Revert more visibility changes

* feat: 2025-11-25 phase 1, includes Version, Icon, Progress (modelcontextprotocol#181)

* chore: fixed unit tests

* feat: added icon and progess base structs

* feat: added progress notification and meta to callTool

* feat: added tests

* feat: simplified RequestMeta encoding/decoding

* tests: added unit test to track progress

* chore: rebased v0.11.x

* feat: implemented cancellation

* feat: added overloaded callTool method

* fix: encoding Response _meta fix

* chore: added old version to the versions list

* feat: 2025-11-25 phase 2; added Logging and Completions (modelcontextprotocol#196)

* feat: added Logging and Completions

* feat: updated EmbeddedResource for the latest spec

* chore: changed encoding of meta in Prompts to encodeIfPresent

* feat: compliance tests + http server transport (modelcontextprotocol#197)

* feat: http server transport

* feat: added http server transport

* feat: removed unused files

* feat: added conformance tests

* feat: improved conformace testing

* chore: removed redundant files

* feat/2025-11-25: sampling, elicitation, roots (modelcontextprotocol#198)

* feat: Roots implementation

* feat: added unit testing

* feat: improved unit tests and fixed NetworkTransport crash

* feat: implemented sampling and elicitation

* feat: improved sampling tests

* feat: improved elicitation tests

* feat: improved confirmance tests

* feat: improved Prompts unit tests

* feat: removed test code

* feat: updated conformance tests

* chore: removed redundant commas

* chore: removed 6.0.3 swift version from ci

* chore: improved unit tests a little bit

* chore: update README.md

* chore: add server progress tracking example to README.md

* chore: updated README.md

* chore: updated transports table formatting

* chore: updated MockNetworkConnection

---------

Co-authored-by: Austin Evans <austinjevans@me.com>
Co-authored-by: yehorsobko <yehorsobko@macpaw.com>

---------

Co-authored-by: Tobias <t089@users.noreply.github.com>
Co-authored-by: Mattt <mattt@me.com>
Co-authored-by: Alexey Ivashko <mcivashko@gmail.com>
Co-authored-by: Alexey Ivashko <a_ivashko@apple.com>
Co-authored-by: Yifan Liu <liuyf1117@hotmail.com>
Co-authored-by: Semen Kudriavtsev <sam@kudr.me>
Co-authored-by: adam jones <domdomegg+git@gmail.com>
Co-authored-by: Den Delimarsky <53200638+localden@users.noreply.github.com>
Co-authored-by: Maksym Mova <maks.mova@gmail.com>
Co-authored-by: Austin Evans <austinjevans@me.com>
Co-authored-by: yehorsobko <yehorsobko@macpaw.com>
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@movetz movetz movetz approved these changes

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Implement SEP-973: Icons and metadata support Update to latest version of spec (2025-06-XX)

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@yehorsobko-mac @DePasqualeOrg @eugenepyvovarov @movetz