204 lines
6.1 KiB
Markdown
204 lines
6.1 KiB
Markdown
# 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/1.1.0/),
|
|
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
|
|
|
|
## [Unreleased]
|
|
|
|
## [0.9.2] - 2026-03-27
|
|
|
|
### Fixed
|
|
|
|
- Use accessor method in `server_context_with_meta` instead of ivar (#273)
|
|
- Reject duplicate SSE connections with 409 to prevent stream hijacking
|
|
|
|
## [0.9.1] - 2026-03-23
|
|
|
|
### Added
|
|
|
|
- Allow `Client#call_tool` to accept a tool name (#266)
|
|
|
|
### Fixed
|
|
|
|
- Return 404 for invalid session ID in `handle_delete` (#261)
|
|
|
|
## [0.9.0] - 2026-03-20
|
|
|
|
### Added
|
|
|
|
- `MCP::Client::Stdio` transport (#262)
|
|
- Progress notifications per MCP specification (#254)
|
|
- Automatic `_meta` parameter extraction support (#172)
|
|
- CORS and Accept wildcard support for browser-based MCP clients (#253)
|
|
|
|
### Changed
|
|
|
|
- Use `autoload` to defer loading of unused subsystems (#255)
|
|
- Reduce release package size (#239)
|
|
|
|
### Fixed
|
|
|
|
- Return 404 for invalid session ID in `handle_regular_request` (#257)
|
|
- Use mutex-protected `session_exists?` in `handle_regular_request` (#258)
|
|
|
|
## [0.8.0] - 2026-03-03
|
|
|
|
### Added
|
|
|
|
- `Content::EmbeddedResource` class for embedded resource content type (#244)
|
|
- `Content::Audio` class for audio content type (#243)
|
|
- `$ref` support in `Tool::Schema` for protocol version 2025-11-25 (#242)
|
|
- MCP conformance test suite (#248)
|
|
|
|
### Fixed
|
|
|
|
- Handle `Errno::ECONNRESET` in SSE stream operations (#249)
|
|
- Fix default handler return values to comply with MCP spec (#247)
|
|
- Fix `Prompt#validate_arguments!` crash when arguments are `nil` (#246)
|
|
- Return 202 Accepted for SSE responses per MCP spec (#245)
|
|
- Fix `Content::Image#to_h` to return `mimeType` (camelCase) per MCP spec (#241)
|
|
|
|
## [0.7.1] - 2026-02-21
|
|
|
|
### Fixed
|
|
|
|
- Fix `Resource::Contents#to_h` to use correct property names per MCP spec (#235)
|
|
- Return JSON-RPC protocol errors for unknown tool calls (#231)
|
|
- Fix `logging/setLevel` to return empty hash per MCP specification (#230)
|
|
|
|
## [0.7.0] - 2026-02-14
|
|
|
|
### Added
|
|
|
|
- `logging` support (#103)
|
|
- Protocol version negotiation to server initialization (#223)
|
|
- Tool arguments to instrumentation data (#218)
|
|
- Client info to instrumentation callback (#221)
|
|
- `resource_templates` to `MCP::Client` (#225)
|
|
|
|
### Changed
|
|
|
|
- Extract `MCP::Annotations` into a dedicated file (#224)
|
|
|
|
### Fixed
|
|
|
|
- `Resource::Embedded` not setting `@resource` in `initialize` (#220)
|
|
|
|
## [0.6.0] - 2026-01-16
|
|
|
|
### Changed
|
|
|
|
- Update licensing to Apache 2.0 for new contributions (#213)
|
|
|
|
### Fixed
|
|
|
|
- Omit `icons` from responses when empty or nil to reduce context window usage (#212)
|
|
|
|
## [0.5.0] - 2026-01-11
|
|
|
|
### Added
|
|
|
|
- Protocol specification version "2025-11-25" support (#184)
|
|
- `icons` parameter support (#205)
|
|
- `websiteUrl` parameter in `serverInfo` (#188)
|
|
- `description` parameter in `serverInfo` (#201)
|
|
- `additionalProperties` support for schema validation (#198)
|
|
- "Draft" protocol version to supported versions (#179)
|
|
- `stateless` mode for high availability (#101)
|
|
- Exception messages for tool call errors (#194)
|
|
- Elicitation skeleton (#178)
|
|
- `prompts/list` and `prompts/get` support to client (#163)
|
|
- Accept header validation for HTTP client transport (#207)
|
|
- Ruby 2.7 - Ruby 3.1 support (#206)
|
|
|
|
### Changed
|
|
|
|
- Make tool names stricter (#204)
|
|
|
|
### Fixed
|
|
|
|
- Symlink path comparison in schema validation (#193)
|
|
- Duplicate tool names across namespaces now raise an error (#199)
|
|
- Tool error handling to follow MCP spec (#165)
|
|
- XSS vulnerability in json_rpc_handler (#175)
|
|
|
|
## [0.4.0] - 2025-10-15
|
|
|
|
### Added
|
|
|
|
- Client resources support with `resources/list` and `resources/read` methods (#160)
|
|
- `_meta` field support for Tool schema (#124)
|
|
- `_meta` field support for Prompt
|
|
- `title` field support for prompt arguments
|
|
- `call_tool_raw` method to client for accessing full tool responses (#149)
|
|
- Structured content support in tool responses (#147)
|
|
- AGENTS.md development guidance documentation (#134)
|
|
- Dependabot configuration for automated dependency updates (#138)
|
|
|
|
### Changed
|
|
|
|
- Set default `content` to empty array instead of `nil` (#150)
|
|
- Improved prompt spec compliance (#153)
|
|
- Allow output schema to be array of objects (#144)
|
|
- Return 202 response code for accepted JSON-RPC notifications (#114)
|
|
- Added validation to `MCP::Configuration` setters (#145)
|
|
- Updated metaschema URI format for cross-OS compatibility
|
|
|
|
### Fixed
|
|
|
|
- Client tools functionality and test coverage (#166)
|
|
- Client resources test for empty responses (#162)
|
|
- Documentation typos and incorrect examples (#157, #146)
|
|
- Removed redundant transport requires (#154)
|
|
- Cleaned up unused block parameters and magic comments
|
|
|
|
## [0.3.0] - 2025-09-14
|
|
|
|
### Added
|
|
|
|
- Tool output schema support with comprehensive validation (#122)
|
|
- HTTP client transport layer for MCP clients (#28)
|
|
- Tool annotations validation for protocol compatibility (#122)
|
|
- Server instructions support (#87)
|
|
- Title support in server info (#119)
|
|
- Default values for tool annotation hints (#118)
|
|
- Notifications/initialized method implementation (#84)
|
|
|
|
### Changed
|
|
|
|
- Make default protocol version the latest specification version (#83)
|
|
- Protocol version validation to ensure valid values (#80)
|
|
- Improved tool handling for tools with no arguments (#85, #86)
|
|
- Better error handling and response API (#109)
|
|
|
|
### Fixed
|
|
|
|
- JSON-RPC notification format in Streamable HTTP transport (#91)
|
|
- Errors when title is not specified (#126)
|
|
- Tools with missing arguments handling (#86)
|
|
- Namespacing issues in README examples (#89)
|
|
|
|
## [0.2.0] - 2025-07-15
|
|
|
|
### Added
|
|
|
|
- Custom methods support via `define_custom_method` (#75)
|
|
- Streamable HTTP transport implementation (#33)
|
|
- Tool argument validation against schemas (#43)
|
|
|
|
### Changed
|
|
|
|
- Server context is now optional for Tools and Prompts (#54)
|
|
- Improved capability handling and removed automatic capability determination (#61, #63)
|
|
- Refactored architecture in preparation for client support (#27)
|
|
|
|
### Fixed
|
|
|
|
- Input schema validation for schemas without required fields (#73)
|
|
- Error handling when sending notifications (#70)
|
|
|
|
## [0.1.0] - 2025-05-30
|
|
|
|
Initial release in collaboration with Shopify
|