CodeGraph CLI MCP Server

# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [Unreleased] ## [0.7.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.6.4...rmcp-v0.7.0) - 2025-09-24 ### Fixed - return auth errors ([#451](https://github.com/modelcontextprotocol/rust-sdk/pull/451)) - *(oauth)* do not treat empty secret as valid for public clients ([#443](https://github.com/modelcontextprotocol/rust-sdk/pull/443)) - *(clippy)* add doc comment for generated tool attr fn ([#439](https://github.com/modelcontextprotocol/rust-sdk/pull/439)) - *(oauth)* require CSRF token as part of the OAuth authorization flow. ([#435](https://github.com/modelcontextprotocol/rust-sdk/pull/435)) ### Other - *(root)* Add Terminator to Built with rmcp section ([#437](https://github.com/modelcontextprotocol/rust-sdk/pull/437)) - Non-empty paths in OAuth2 Authorization Server Metadata URLs ([#441](https://github.com/modelcontextprotocol/rust-sdk/pull/441)) ## [0.6.4](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.6.3...rmcp-v0.6.4) - 2025-09-11 ### Added - *(SEP-973)* add support for icons and websiteUrl across relevant types ([#432](https://github.com/modelcontextprotocol/rust-sdk/pull/432)) - implement context-aware completion (MCP 2025-06-18) ([#396](https://github.com/modelcontextprotocol/rust-sdk/pull/396)) - add `title` field for data types ([#410](https://github.com/modelcontextprotocol/rust-sdk/pull/410)) ### Fixed - crates/rmcp/src/handler/client/progress.rs dispacher-> dispatcher ([#429](https://github.com/modelcontextprotocol/rust-sdk/pull/429)) - build issue due to missing struct field ([#427](https://github.com/modelcontextprotocol/rust-sdk/pull/427)) - generate simple {} schema for tools with no parameters ([#425](https://github.com/modelcontextprotocol/rust-sdk/pull/425)) ### Other - Skip notification in initialization handshake ([#421](https://github.com/modelcontextprotocol/rust-sdk/pull/421)) - add nvim-mcp project built by rmcp ([#422](https://github.com/modelcontextprotocol/rust-sdk/pull/422)) ## [0.6.3](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.6.2...rmcp-v0.6.3) - 2025-09-04 ### Fixed - change JSON-RPC request ID type from u32 to i64 ([#416](https://github.com/modelcontextprotocol/rust-sdk/pull/416)) ## [0.6.2](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.6.1...rmcp-v0.6.2) - 2025-09-04 ### Added - *(rmcp)* add optional _meta to CallToolResult, EmbeddedResource, and ResourceContents ([#386](https://github.com/modelcontextprotocol/rust-sdk/pull/386)) ### Fixed - resolve compatibility issues with servers sending LSP notifications ([#413](https://github.com/modelcontextprotocol/rust-sdk/pull/413)) - remove batched json rpc support ([#408](https://github.com/modelcontextprotocol/rust-sdk/pull/408)) - transport-streamable-http-server depends on transport-worker ([#405](https://github.com/modelcontextprotocol/rust-sdk/pull/405)) - *(typo)* correct typo in error message for transport cancellation and field. ([#404](https://github.com/modelcontextprotocol/rust-sdk/pull/404)) ### Other - Spec conformance: meta support and spec updates ([#415](https://github.com/modelcontextprotocol/rust-sdk/pull/415)) - add the rmcp-openapi and rmcp-actix-web related projects ([#406](https://github.com/modelcontextprotocol/rust-sdk/pull/406)) ## [0.6.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.6.0...rmcp-v0.6.1) - 2025-08-29 ### Added - *(rmcp)* add authorization header support for the streamable http client ([#390](https://github.com/modelcontextprotocol/rust-sdk/pull/390)) - *(model)* add helpers to build enum from concrete values ([#393](https://github.com/modelcontextprotocol/rust-sdk/pull/393)) - *(model)* expose client method name ([#391](https://github.com/modelcontextprotocol/rust-sdk/pull/391)) - add resource_link support to tools and prompts ([#381](https://github.com/modelcontextprotocol/rust-sdk/pull/381)) - Add prompt support ([#351](https://github.com/modelcontextprotocol/rust-sdk/pull/351)) - include reqwest in transport-streamble-http-client feature ([#376](https://github.com/modelcontextprotocol/rust-sdk/pull/376)) ### Fixed - *(auth)* url parse is not correct ([#402](https://github.com/modelcontextprotocol/rust-sdk/pull/402)) - *(readme)* missing use declarations, more accurate server instructions ([#399](https://github.com/modelcontextprotocol/rust-sdk/pull/399)) - enhance transport graceful shutdown with proper writer closure ([#392](https://github.com/modelcontextprotocol/rust-sdk/pull/392)) ### Other - simplify remove_route method signature ([#401](https://github.com/modelcontextprotocol/rust-sdk/pull/401)) ## [0.6.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.5.0...rmcp-v0.6.0) - 2025-08-19 ### Added - Add MCP Elicitation support ([#332](https://github.com/modelcontextprotocol/rust-sdk/pull/332)) - keep internal error in worker's quit reason ([#372](https://github.com/modelcontextprotocol/rust-sdk/pull/372)) ### Fixed - match shape of the calltoolresult schema ([#377](https://github.com/modelcontextprotocol/rust-sdk/pull/377)) - make stdio shutdown more graceful ([#364](https://github.com/modelcontextprotocol/rust-sdk/pull/364)) - *(tool)* remove unnecessary schema validation ([#375](https://github.com/modelcontextprotocol/rust-sdk/pull/375)) - *(rmcp)* return serialized json with structured content ([#368](https://github.com/modelcontextprotocol/rust-sdk/pull/368)) ### Other - add related project rustfs-mcp ([#378](https://github.com/modelcontextprotocol/rust-sdk/pull/378)) - *(streamable)* add document for extracting http info ([#373](https://github.com/modelcontextprotocol/rust-sdk/pull/373)) ## [0.5.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.4.1...rmcp-v0.5.0) - 2025-08-07 ### Fixed - correct numeric types in progress notifications ([#361](https://github.com/modelcontextprotocol/rust-sdk/pull/361)) ## [0.4.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.4.0...rmcp-v0.4.1) - 2025-08-07 ### Fixed - *(rmcp)* allow both content and structured content ([#359](https://github.com/modelcontextprotocol/rust-sdk/pull/359)) ## [0.4.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.3.2...rmcp-v0.4.0) - 2025-08-05 ### Added - [**breaking**] Add support for `Tool.outputSchema` and `CallToolResult.structuredContent` ([#316](https://github.com/modelcontextprotocol/rust-sdk/pull/316)) ### Fixed - don't wrap errors in streamable http auth client ([#353](https://github.com/modelcontextprotocol/rust-sdk/pull/353)) - *(prompt)* remove unused code ([#343](https://github.com/modelcontextprotocol/rust-sdk/pull/343)) ## [0.3.2](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.3.1...rmcp-v0.3.2) - 2025-07-30 ### Fixed - *(capabilities)* do not serialize None as null for `list_changed` ([#341](https://github.com/modelcontextprotocol/rust-sdk/pull/341)) - *(Transport)* close oneshot transport on error ([#340](https://github.com/modelcontextprotocol/rust-sdk/pull/340)) - *(oauth)* expose OAuthTokenResponse publicly ([#335](https://github.com/modelcontextprotocol/rust-sdk/pull/335)) ## [0.3.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.3.0...rmcp-v0.3.1) - 2025-07-29 ### Fixed - use mimeType instead of mime_type for MCP specification compliance ([#339](https://github.com/modelcontextprotocol/rust-sdk/pull/339)) - return a 405 for GET and DELETE if stateful_mode=false ([#331](https://github.com/modelcontextprotocol/rust-sdk/pull/331)) - propagate tracing spans when spawning new tokio tasks ([#334](https://github.com/modelcontextprotocol/rust-sdk/pull/334)) - Explicitly added client_id as an extra parameter causes bad token requests ([#322](https://github.com/modelcontextprotocol/rust-sdk/pull/322)) ### Other - Fix formatting in crate descriptions in README.md ([#333](https://github.com/modelcontextprotocol/rust-sdk/pull/333)) ## [0.3.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.2.1...rmcp-v0.3.0) - 2025-07-15 ### Added - unified error type ([#308](https://github.com/modelcontextprotocol/rust-sdk/pull/308)) - *(transport)* add builder & expose child stderr ([#305](https://github.com/modelcontextprotocol/rust-sdk/pull/305)) ### Other - *(deps)* update schemars requirement from 0.8 to 1.0 ([#258](https://github.com/modelcontextprotocol/rust-sdk/pull/258)) - *(rmcp)* bump rmcp-macros version to match ([#311](https://github.com/modelcontextprotocol/rust-sdk/pull/311)) - fix packages used for server example ([#309](https://github.com/modelcontextprotocol/rust-sdk/pull/309)) ## [0.2.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.2.0...rmcp-v0.2.1) - 2025-07-03 ### Other - *(docs)* Minor README updates ([#301](https://github.com/modelcontextprotocol/rust-sdk/pull/301)) ## [0.2.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.1.5...rmcp-v0.2.0) - 2025-07-02 ### Added - mark boxed http body as sync ([#291](https://github.com/modelcontextprotocol/rust-sdk/pull/291)) - add progress notification handling and related structures ([#282](https://github.com/modelcontextprotocol/rust-sdk/pull/282)) - allow failable service creation in streamable HTTP tower service ([#244](https://github.com/modelcontextprotocol/rust-sdk/pull/244)) - provide more context information ([#236](https://github.com/modelcontextprotocol/rust-sdk/pull/236)) - stateless mode of streamable http client ([#233](https://github.com/modelcontextprotocol/rust-sdk/pull/233)) - add cancellation_token method to `RunningService` ([#218](https://github.com/modelcontextprotocol/rust-sdk/pull/218)) - better http server support ([#199](https://github.com/modelcontextprotocol/rust-sdk/pull/199)) - throw initialize error detail ([#192](https://github.com/modelcontextprotocol/rust-sdk/pull/192)) - sse client optionally skip the endpoint event ([#187](https://github.com/modelcontextprotocol/rust-sdk/pull/187)) - *(server)* add annotation to tool macro ([#184](https://github.com/modelcontextprotocol/rust-sdk/pull/184)) - *(model)* add json schema generation support for all model types ([#176](https://github.com/modelcontextprotocol/rust-sdk/pull/176)) - *(openapi)* add OpenAPI v3 compatibility and test for nullable field schema workaround ([#135](https://github.com/modelcontextprotocol/rust-sdk/pull/135)) ([#137](https://github.com/modelcontextprotocol/rust-sdk/pull/137)) - *(extension)* extract http request part into rmcp extension ([#163](https://github.com/modelcontextprotocol/rust-sdk/pull/163)) - *(transport)* support streamable http server ([#152](https://github.com/modelcontextprotocol/rust-sdk/pull/152)) - *(oauth)* fixes + cache client credentials ([#157](https://github.com/modelcontextprotocol/rust-sdk/pull/157)) - allow use of reqwest without ring provider ([#155](https://github.com/modelcontextprotocol/rust-sdk/pull/155)) - extensions to context ([#102](https://github.com/modelcontextprotocol/rust-sdk/pull/102)) - revision-2025-03-26 without streamable http ([#84](https://github.com/modelcontextprotocol/rust-sdk/pull/84)) - *(tool)* allow tool call return a serializable value in json format ([#75](https://github.com/modelcontextprotocol/rust-sdk/pull/75)) ([#78](https://github.com/modelcontextprotocol/rust-sdk/pull/78)) - Sse server auto ping ([#74](https://github.com/modelcontextprotocol/rust-sdk/pull/74)) - *(transport)* Sse client transport trait ([#67](https://github.com/modelcontextprotocol/rust-sdk/pull/67)) ### Fixed - let users decide what to wrap in child process command ([#279](https://github.com/modelcontextprotocol/rust-sdk/pull/279)) - cancellable initialization process ([#280](https://github.com/modelcontextprotocol/rust-sdk/pull/280)) - inject part into extension when handing init req ([#275](https://github.com/modelcontextprotocol/rust-sdk/pull/275)) - streamable http server close request channel on response([#266](https://github.com/modelcontextprotocol/rust-sdk/pull/266)) ([#270](https://github.com/modelcontextprotocol/rust-sdk/pull/270)) - streamable http client close on response ([#268](https://github.com/modelcontextprotocol/rust-sdk/pull/268)) - expose TokioChildWrapper::id() in TokioChildProcess and TokioChildProcessOut ([#254](https://github.com/modelcontextprotocol/rust-sdk/pull/254)) - add compatibility handling for non-standard notifications in async_rw ([#247](https://github.com/modelcontextprotocol/rust-sdk/pull/247)) - allow SSE server router to be nested ([#240](https://github.com/modelcontextprotocol/rust-sdk/pull/240)) - error for status in post method of streamable http client ([#238](https://github.com/modelcontextprotocol/rust-sdk/pull/238)) - disable wasmbind in chrono for wasm32-unknown-unknown ([#234](https://github.com/modelcontextprotocol/rust-sdk/pull/234)) - *(examples)* add clients in examples's readme ([#225](https://github.com/modelcontextprotocol/rust-sdk/pull/225)) - generic ServerHandler ([#223](https://github.com/modelcontextprotocol/rust-sdk/pull/223)) - comment error ([#215](https://github.com/modelcontextprotocol/rust-sdk/pull/215)) - resolve the server 406 error in API calls ([#203](https://github.com/modelcontextprotocol/rust-sdk/pull/203)) - sse endpoint build follow js's `new URL(url, base)` ([#197](https://github.com/modelcontextprotocol/rust-sdk/pull/197)) - more friendly interface to get service error ([#190](https://github.com/modelcontextprotocol/rust-sdk/pull/190)) - cleanup zombie processes for child process client ([#156](https://github.com/modelcontextprotocol/rust-sdk/pull/156)) - *(schemar)* use self-defined settings ([#180](https://github.com/modelcontextprotocol/rust-sdk/pull/180)) - *(transport-sse-server)* cleanup on connection drop ([#165](https://github.com/modelcontextprotocol/rust-sdk/pull/165)) - *(test)* skip serialize tool's annotation if empty ([#160](https://github.com/modelcontextprotocol/rust-sdk/pull/160)) - fix resource leak ([#136](https://github.com/modelcontextprotocol/rust-sdk/pull/136)) - *(handler)* do call handler methods when initialize server ([#118](https://github.com/modelcontextprotocol/rust-sdk/pull/118)) - *(server)* schemars compilation errors ([#104](https://github.com/modelcontextprotocol/rust-sdk/pull/104)) - *(test)* fix test introduced by #97 ([#101](https://github.com/modelcontextprotocol/rust-sdk/pull/101)) - *(macro)* add generics marco types support ([#98](https://github.com/modelcontextprotocol/rust-sdk/pull/98)) - *(typo)* nit language corrections ([#90](https://github.com/modelcontextprotocol/rust-sdk/pull/90)) - *(typo)* s/marcos/macros/ ([#85](https://github.com/modelcontextprotocol/rust-sdk/pull/85)) - *(client)* add error enum while deal client info ([#76](https://github.com/modelcontextprotocol/rust-sdk/pull/76)) - *(notification)* fix wrongly error report in notification ([#70](https://github.com/modelcontextprotocol/rust-sdk/pull/70)) - *(test)* fix tool deserialization error ([#68](https://github.com/modelcontextprotocol/rust-sdk/pull/68)) - *(server)* add error enum while deal server info ([#51](https://github.com/modelcontextprotocol/rust-sdk/pull/51)) ### Other - add simpling example and test ([#289](https://github.com/modelcontextprotocol/rust-sdk/pull/289)) - add update for test_message_schema ([#286](https://github.com/modelcontextprotocol/rust-sdk/pull/286)) - add notion clear in model.rs ([#284](https://github.com/modelcontextprotocol/rust-sdk/pull/284)) - cov settings, and fix several building warnings ([#281](https://github.com/modelcontextprotocol/rust-sdk/pull/281)) - refactor tool macros and router implementation ([#261](https://github.com/modelcontextprotocol/rust-sdk/pull/261)) - fix regression in URL joining ([#265](https://github.com/modelcontextprotocol/rust-sdk/pull/265)) - remove erroneous definitions_path ([#264](https://github.com/modelcontextprotocol/rust-sdk/pull/264)) - allow using a TokioCommandWrap for TokioChildProcess::new closes #243 ([#245](https://github.com/modelcontextprotocol/rust-sdk/pull/245)) - Fix typo ([#249](https://github.com/modelcontextprotocol/rust-sdk/pull/249)) - provide http server as tower service ([#228](https://github.com/modelcontextprotocol/rust-sdk/pull/228)) - *(deps)* update sse-stream requirement from 0.1.4 to 0.2.0 ([#230](https://github.com/modelcontextprotocol/rust-sdk/pull/230)) - Server info is only retrieved once during initialization ([#214](https://github.com/modelcontextprotocol/rust-sdk/pull/214)) - *(deps)* update base64 requirement from 0.21 to 0.22 ([#209](https://github.com/modelcontextprotocol/rust-sdk/pull/209)) - revert badge ([#202](https://github.com/modelcontextprotocol/rust-sdk/pull/202)) - use hierarchical readme for publishing ([#198](https://github.com/modelcontextprotocol/rust-sdk/pull/198)) - Ci/coverage badge ([#191](https://github.com/modelcontextprotocol/rust-sdk/pull/191)) - fix error introduced by merge, and reorganize feature ([#185](https://github.com/modelcontextprotocol/rust-sdk/pull/185)) - Transport trait and worker transport, and streamable http client with those new features. ([#167](https://github.com/modelcontextprotocol/rust-sdk/pull/167)) - add oauth2 support ([#130](https://github.com/modelcontextprotocol/rust-sdk/pull/130)) - remove un-used tower.rs ([#125](https://github.com/modelcontextprotocol/rust-sdk/pull/125)) - update calculator example description ([#115](https://github.com/modelcontextprotocol/rust-sdk/pull/115)) - fix the url ([#120](https://github.com/modelcontextprotocol/rust-sdk/pull/120)) - add a simple chat client for example ([#119](https://github.com/modelcontextprotocol/rust-sdk/pull/119)) - add an overview to `rmcp/src/lib.rs` ([#116](https://github.com/modelcontextprotocol/rust-sdk/pull/116)) - *(context)* test context request handling and refactor for reusable client-server tests ([#97](https://github.com/modelcontextprotocol/rust-sdk/pull/97)) - *(logging)* Add tests for logging ([#96](https://github.com/modelcontextprotocol/rust-sdk/pull/96)) - Adopt Devcontainer for Development Environment ([#81](https://github.com/modelcontextprotocol/rust-sdk/pull/81)) - fix typos ([#79](https://github.com/modelcontextprotocol/rust-sdk/pull/79)) - format and fix typo ([#72](https://github.com/modelcontextprotocol/rust-sdk/pull/72)) - add documentation generation job ([#59](https://github.com/modelcontextprotocol/rust-sdk/pull/59)) - add test with js server ([#65](https://github.com/modelcontextprotocol/rust-sdk/pull/65)) - fmt the project ([#54](https://github.com/modelcontextprotocol/rust-sdk/pull/54)) - *(sse_server)* separate router and server startup ([#52](https://github.com/modelcontextprotocol/rust-sdk/pull/52)) - fix broken link ([#53](https://github.com/modelcontextprotocol/rust-sdk/pull/53)) - fix the branch name for git dependency ([#46](https://github.com/modelcontextprotocol/rust-sdk/pull/46)) - Move whole rmcp crate to official rust sdk ([#44](https://github.com/modelcontextprotocol/rust-sdk/pull/44)) - Initial commit