build(deps): bump mcp from 1.27.0 to 1.28.1 in the uv group across 1 directory

[dependabot]

Bumps the uv group with 1 update in the / directory: mcp.

Updates mcp from 1.27.0 to 1.28.1

Release notes

Sourced from mcp's releases.

v1.28.0

Deprecations

Two API surfaces now emit DeprecationWarning ahead of their removal in v2. Nothing is removed in 1.x, and the warnings fire only when the deprecated API is called - importing the modules stays silent.

• WebSocket transport - mcp.client.websocket.websocket_client and mcp.server.websocket.websocket_servermodelcontextprotocol/typescript-sdk#1783
• Experimental tasks API - ClientSession.experimental, Server.experimental, ServerSession.experimental, and the experimental_task_handlers= kwarg on ClientSession. Tasks (SEP-1686) were removed from the MCP specification and are expected to return as a separate MCP extension.

If your test suite runs with filterwarnings = ["error"] and exercises these paths, add a scoped ignore such as ignore:The experimental tasks API is deprecated:DeprecationWarning or ignore:The WebSocket .* transport is deprecated:DeprecationWarning.

See #2828 for full details.

What's Changed

• [v1.x] Support Python 3.14 by @​maxisbey in modelcontextprotocol/python-sdk#2769
• fix: omit null optional fields from task result payloads by @​liuzemei in modelcontextprotocol/python-sdk#2809
• [v1.x] Deprecate the WebSocket transport and the experimental tasks entry points by @​maxisbey in modelcontextprotocol/python-sdk#2828
• [v1.x] Add a v2 status banner to the README by @​maxisbey in modelcontextprotocol/python-sdk#2835
• [v1.x] Deflake the child process cleanup tests by @​maxisbey in modelcontextprotocol/python-sdk#2839

New Contributors

• @​liuzemei made their first contribution in modelcontextprotocol/python-sdk#2809

Full Changelog: modelcontextprotocol/python-sdk@v1.27.2...v1.28.0

v1.27.2

What's Changed

• [v1.x] ci: deploy docs to py.sdk.modelcontextprotocol.io via Pages artifact by @​maxisbey in modelcontextprotocol/python-sdk#2635
• [v1.x] Add subject and claims to AccessToken by @​maxisbey in modelcontextprotocol/python-sdk#2690
• [v1.x] Bind transport sessions to the authenticated principal by @​maxisbey in modelcontextprotocol/python-sdk#2719
• [v1.x] Scope experimental tasks to the session that created them by @​maxisbey in modelcontextprotocol/python-sdk#2720

Full Changelog: modelcontextprotocol/python-sdk@v1.27.1...v1.27.2

v1.27.1

What's Changed

• [v1.x] fix: catch PydanticUserError when generating output schema (pydantic 2.13 compat) by @​maxisbey in modelcontextprotocol/python-sdk#2435
• [v1.x] fix(auth): coerce empty-string optional URL fields to None in OAuthClientMetadata by @​felixweinberger in modelcontextprotocol/python-sdk#2405
• [v1.x] build: restrict httpx to <1.0.0 by @​maxisbey in modelcontextprotocol/python-sdk#2559
• [v1.x] refactor: import SSEError from httpx_sse public API by @​maxisbey in modelcontextprotocol/python-sdk#2561

Full Changelog: modelcontextprotocol/python-sdk@v1.27.0...v1.27.1

Commits

• 777b8d0 [v1.x] Support TransportSecuritySettings in the WebSocket server transport (#...
• 4720467 [v1.x] Set Development Status classifier to Production/Stable (#2976)
• 6df3d73 [v1.x] Buffer per-request StreamableHTTP streams; store priming event before ...
• 32d3290 [v1.x] Pass a list to parametrize in test_docs_examples (pytest 9.1.0 compat)...
• 0dca751 [v1.x] Deflake the child process cleanup tests (#2839)
• 52258a9 [v1.x] Add a v2 status banner to the README (#2835)
• b8f4917 [v1.x] Deprecate the WebSocket transport and the experimental tasks entry poi...
• 2309e5e fix: omit null optional fields from task result payloads (#2809)
• 494eb11 [v1.x] Support Python 3.14 (#2769)
• 6213787 [v1.x] Scope experimental tasks to the session that created them (#2720)
• Additional commits viewable in compare view

[github-actions]

Agent Permission Diff

• Base: 3feb6806268fc287f044cba0009781e61ee346db
• Head: 9bf1e5fcbbcaa6baaaf8f0b1e3b8606659cfb15e
• Findings: 0
• Gate findings: 0
• Acknowledged findings: 0
• Permission changes: 0
• Gate: pass in observe mode
• Fail on: critical
• Exit code: 0

Gate Decision

No findings were produced.

Findings

No agent-facing permission findings.

[saagpatel]

Superseded by #170, merged at 3850b11. #170 includes the 1.28.1 lock update, raises the published runtime floor to mcp>=1.28.1, pins the build/release action supply chain, and adds regression coverage; the lock-only PR no longer represents the complete security fix.

[dependabot]

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