All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
- 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)
- 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)
- 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)
- Custom methods support via
define_custom_method(#75) - Streamable HTTP transport implementation (#33)
- Tool argument validation against schemas (#43)
- 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)
- Input schema validation for schemas without required fields (#73)
- Error handling when sending notifications (#70)
Initial release