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Python: Build(deps-dev): Bump mcp[ws] from 1.27.2 to 1.28.1 in /python#6885

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Python: Build(deps-dev): Bump mcp[ws] from 1.27.2 to 1.28.1 in /python#6885
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Bumps mcp[ws] from 1.27.2 to 1.28.1.

Release notes

Sourced from mcp[ws]'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

New Contributors

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

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)
  • See full diff in compare view

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Bumps [mcp[ws]](https://github.com/modelcontextprotocol/python-sdk) from 1.27.2 to 1.28.1.
- [Release notes](https://github.com/modelcontextprotocol/python-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/python-sdk/blob/main/RELEASE.md)
- [Commits](modelcontextprotocol/python-sdk@v1.27.2...v1.28.1)

---
updated-dependencies:
- dependency-name: mcp[ws]
  dependency-version: 1.28.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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@dependabot dependabot Bot added dependencies Usage: [Issues, PRs], Target: dependencies in the project python Usage: [Issues, PRs], Target: Python labels Jul 2, 2026
Copilot AI review requested due to automatic review settings July 2, 2026 14:35
@dependabot dependabot Bot added python Usage: [Issues, PRs], Target: Python dependencies Usage: [Issues, PRs], Target: dependencies in the project labels Jul 2, 2026

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@github-actions github-actions Bot changed the title Build(deps-dev): Bump mcp[ws] from 1.27.2 to 1.28.1 in /python Python: Build(deps-dev): Bump mcp[ws] from 1.27.2 to 1.28.1 in /python Jul 2, 2026
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