mcp_server 0.1.5 changelog

0.1.5 #

Added
- Full implementation of MCP protocol 2024-11-05
- Sampling support with client request forwarding
- Roots management for filesystem boundary control
- Resource subscription system with updates notification
- Resource caching mechanism for performance optimization
- Operation cancellation support
- Progress reporting for long-running operations
Fixed
- Protocol version negotiation now properly supports multiple versions
- Type inconsistencies in model classes and JSON conversions
- Ensured capabilities are properly exposed based on server configuration
Improved
- Error handling with standardized error codes
- Session management for multiple client connections
- server health monitoring and metrics tracking
- Transport implementation with better CORS support
- Added options to colorize logs and include timestamps for easier debugging

SSE Endpoint Improvements
- Added compatibility with MCP Inspector by sending initial SSE event in event: endpoint format
- Ensured event: message usage for subsequent JSON-RPC data
Logging and Debug Enhancements
- Introduced optional debug function with adjustable log level
- Removed excessive stderr.writeln calls, improving performance and clarity
Authorization Logic Updates
- Allows optional token-based authentication for SSE connections
- Maintains session-based approach to restrict message endpoint usage
Bug Fixes
- Resolved SSE Body Timeout Error by flushing initial messages immediately
- Ensured consistent CORS and OPTIONS handling for cross-origin requests
Refactoring
- Cleaned up code structure for better maintainability
- Unified resource and prompt capabilities under standard JSON-RPC schema