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chore(deps): bump rmcp from 1.7.0 to 2.1.0 - #6549

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Bumps rmcp from 1.7.0 to 2.1.0.

Release notes

Sourced from rmcp's releases.

rmcp-macros-v2.1.0

Added

  • [breaking] align model types with MCP 2025-11-25 spec (#927)

Fixed

  • fill missing fully qualified syntax in prompt_handler macros (#866)

Other

  • align README examples with v2 model API (#928)

rmcp-v2.1.0

Added

  • add SEP-414 trace context meta accessors (#910)
  • add SEP-2575 meta helpers (#942)

Fixed

  • (transport) make AsyncRwTransport::receive cancel-safe (#941) (#947)
  • (auth) preserve refresh_token when refresh response omits it (#949)
  • block redirect header leaks (#936)
  • don't respond to unparsable messages (#940)
  • negotiate protocol version in handler (#930)

rmcp-macros-v2.0.0

Added

  • [breaking] align model types with MCP 2025-11-25 spec (#927)

Fixed

  • fill missing fully qualified syntax in prompt_handler macros (#866)

Other

  • align README examples with v2 model API (#928)

rmcp-v2.0.0

Migration guide: modelcontextprotocol/rust-sdk#926

Added

  • [breaking] (rmcp) add Audio variant to PromptMessageContent (#865)
  • [breaking] align model types with MCP 2025-11-25 spec (#927)
  • deprecate roots/sampling/logging types (#923)

Fixed

... (truncated)

Commits

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Note

Medium Risk
Major-version bump of the shared MCP client/server/auth stack without accompanying code changes; behavior and type compatibility depend on upstream v2 breaking changes and downstream compile/test coverage.

Overview
This PR upgrades the workspace MCP Rust SDK by setting rmcp to 2.1.0 in the root Cargo.toml, refreshing Cargo.lock (including rmcp-macros 2.2.0), and aligning workspace-hack to the v2 major line with the same auth/client/streamable HTTP features.

There are no application source changes in the diff—only dependency pins—so consumers like mcp_client, agent_inmem, pipedream_mcp, and agent_harness_service will pick up rmcp v2 transitively. Reviewers should confirm build and MCP integration tests pass, since upstream v2 includes breaking model/spec alignment plus auth and transport behavior fixes.

Reviewed by Cursor Bugbot for commit e8e47aa. Bugbot is set up for automated code reviews on this repo. Configure here.

Bumps [rmcp](https://github.com/modelcontextprotocol/rust-sdk) from 1.7.0 to 2.1.0.
- [Release notes](https://github.com/modelcontextprotocol/rust-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/rust-sdk/blob/main/release-plz.toml)
- [Commits](modelcontextprotocol/rust-sdk@rmcp-v1.7.0...rmcp-v2.1.0)

---
updated-dependencies:
- dependency-name: rmcp
  dependency-version: 2.1.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file rust Pull requests that update rust code labels Sep 17, 2026
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