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Bump ModelContextProtocol from 2.1.0 to 2.2.0 - #671

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dependabot/nuget/Part-05---MCP-Server-Basics/MyMcpServer/routine-minor-patch-5d5cd2c8f3

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@dependabot dependabot Bot commented on behalf of github Sep 14, 2026 •

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Updated ModelContextProtocol from 2.1.0 to 2.2.0.

Release notes

Sourced from ModelContextProtocol's releases.

2.2.0

This release adds hybrid stateful/stateless HTTP serving so clients using the 2025-11-25 and 2026-07-28 protocol revisions can share an endpoint, and fixes a malformed header-decoding edge case.

What's Changed

  • Add HttpServerSessionMode for hybrid stateful/stateless HTTP serving #​1796 by @​saicharanpardhu (co-authored by @​Copilot @​jeffhandley)
  • Fix McpHeaderEncoder.DecodeValue throwing on the degenerate base64 wrapper #​1805 by @​latent-9

Test Improvements

  • Fix duplicated word in test comment #​1809 by @​latent-9

Repository Infrastructure Updates

  • Enable package validation for the MCP extension packages #​1793 by @​jeffhandley (co-authored by @​Copilot)
  • Add a release-manager agent that orchestrates the release skills #​1794 by @​jeffhandley (co-authored by @​Copilot)
  • Bump Anthropic from 12.39.0 to 12.40.0 #​1808
  • Bump @​hono/node-server from 1.19.14 to 2.1.0 in the npm_and_yarn group across 1 directory #​1812
  • Fix dead relative link to versioning docs in bump-version skill #​1807 by @​latent-9

Acknowledgements

  • @​latent-9 made their first contribution in #​1807
  • @​saicharanpardhu made their first contribution in #​1796
  • @​saicharanpardhu submitted issue #​1777 (resolved by #​1796)
  • @​jeffhandley @​tarekgh @​halter73 reviewed pull requests

Full Changelog: modelcontextprotocol/csharp-sdk@v2.1.0...v2.2.0

[!NOTE]
These release notes were drafted with GitHub Copilot and reviewed before publishing.

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@dependabot dependabot Bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Sep 14, 2026
---
updated-dependencies:
- dependency-name: ModelContextProtocol
  dependency-version: 2.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: routine-minor-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot changed the title Bump the routine-minor-patch group with 1 update Bump ModelContextProtocol from 2.1.0 to 2.2.0 Sep 21, 2026
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dependabot Bot force-pushed the dependabot/nuget/Part-05---MCP-Server-Basics/MyMcpServer/routine-minor-patch-5d5cd2c8f3 branch from 676c3d3 to fbe512f Compare September 21, 2026 13:25
@dependabot @github

dependabot Bot commented on behalf of github Oct 19, 2026

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Superseded by #687.

@dependabot dependabot Bot closed this Oct 19, 2026
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dependabot Bot deleted the dependabot/nuget/Part-05---MCP-Server-Basics/MyMcpServer/routine-minor-patch-5d5cd2c8f3 branch October 19, 2026 13:28
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