rmcp-v0.17.0

Added

• (streamable-http) add json_response option for stateless server mode (#683)
• mcp sdk conformance (#687)
• add default value support to string, number, and integer schemas (#686)
• add trait-based tool declaration (#677)
• send and validate MCP-Protocol-Version header (#675)

Fixed

• improve error logging and remove token secret from logs (#685)
• refresh token expiry (#680)
• gate optional dependencies behind feature flags (#672)
• allow empty content in CallToolResult (#681)
• (schema) remove AddNullable from draft2020_12 settings (#664)

Other

• add prose documentation for core features to meet conformance (#702)
• Fix/sse channel replacement conflict (#682)
• document session management for streamable HTTP transport (#674)

rmcp-macros-v0.17.0

Added

• add trait-based tool declaration (#677)

Other

• add prose documentation for core features to meet conformance (#702)

rmcp-v0.16.0

Added

• add support for custom HTTP headers in StreamableHttpClient (#655)
• (auth) add token_endpoint_auth_method to OAuthClientConfig (#648)

Fixed

• remove unnecessary doc-cfg (#661)
• duplicate meta serialization (#662)
• sort list_all() output in ToolRouter and PromptRouter for deterministic ordering (#665)
• align task response types with MCP spec (#658)

Other

• upgrade reqwest to 0.13.2 (#669)
• include LICENSE in final crate tarball (#657)
• (deps) update rand requirement from 0.9 to 0.10 (#650)
• remove unused axum dependency from server-side-http feature (#642)
• 11-25-2025 compliant Auth (#651)
• add rudof-mcp to MCP servers list (#645)

rmcp-macros-v0.16.0

Fixed

• align task response types with MCP spec (#658)

Other

• include LICENSE in final crate tarball (#657)
• add rudof-mcp to MCP servers list (#645)

rmcp-v0.15.0

Added

• (elicitation) add support URL elicitation. SEP-1036 (#605)
• enforce SEP-1577 MUST requirements for sampling with tools (#646)
• add native-tls as an optional TLS backend (#631)
• (capabilities) add extensions field for SEP-1724 (#643)

Fixed

• (tasks) avoid dropping completed task results during collection (#639)
• (auth) oauth metadata discovery (#641)
• compilation with --no-default-features (#593)
• (tasks) expose execution.taskSupport on tools (#635)
• (tasks) correct enum variant ordering for deserialization (#634)

Other

• Add optional description field to Implementation struct (#649)
• Implement SEP-1577: Sampling With Tools (#628)

rmcp-macros-v0.15.0

Fixed

• (tasks) avoid dropping completed task results during collection (#639)
• (tasks) expose execution.taskSupport on tools (#635)

rmcp-v0.14.0

Fixed

• (tasks) #626 model task capabilities correctly (#627)
• don't treat non-success HTTP codes as transport errors (#618)

Other

• show README content on docs.rs (#583)
• added hyper-mcp to the list of built with rmcp (#621)
• Implement SEP-1319: Decouple Request Payload from RPC Methods (#617)

rmcp-macros-v0.14.0

Other

• show README content on docs.rs (#583)
• added hyper-mcp to the list of built with rmcp (#621)
• Implement SEP-1319: Decouple Request Payload from RPC Methods (#617)

rmcp-v0.13.0

Added

• provide blanket implementations for ClientHandler and ServerHandler traits (#609)
• (service) add close() method for graceful connection shutdown (#588)
• (auth) add StateStore trait for pluggable OAuth state storage (#614)
• (elicitation) implement SEP-1330 Elicitation Enum Schema Improvements (#539)
• (task) add task support (SEP-1686) (#536)

Fixed

• use the json rpc error from the initialize response and bubble it up to the client (#569)
• (build) fix build of the project when no features are selected (#606)
• use Semaphore instead of Notify in OneshotTransport to prevent race condition (#611)
• add OpenID Connect discovery support per spec-2025-11-25 4.3 (#598)
• only try to refresh access tokens if we have a refresh token or an expiry time (#594)
• (docs) add spreadsheet-mcp to Built with rmcp (#582)

Other

• (elicitation) improve enum schema builder, small changes of elicitation builder (#608)
• add pre-commit hook for conventional commit verification (#619)
• clean up optional dependencies (#546)
• re-export ServerSseMessage from session module (#612)
• Implement SEP-1699: Support SSE Polling via Server-Side Disconnect (#604)
• update README external links (#603)
• clarity and formatting (#602)
• Add optional icons field to RawResourceTemplate (#589)

rmcp-macros-v0.13.0

Added

• (task) add task support (SEP-1686) (#536)

Fixed

• (docs) add spreadsheet-mcp to Built with rmcp (#582)

Other

• update README external links (#603)
• clarity and formatting (#602)