Model Context Protocol Client with Optional Pydantic Support

Why chuk-mcp? Protocol-first: Focuses on MCP messages, types, and capability negotiation — spec.modelcontextprotocol.io Client + Server: Full support for building both MCP clients and servers Typed: Full type hints; optional Pydantic models when available Transport-agnostic: stdio by default, Streamable HTTP (NDJSON) for remote servers, easily extensible Async-first: Built on AnyIO; integrate with anyio.run(...) or your existing loop Small & focused: No heavy orchestration or agent assumptions Clean protocol layer: Errors fail fast without retries — bring your own error handling strategy Production-minded: Clear errors, structured logging hooks, composable with retry/caching layers ⚡ High-performance: Protocol overhead in the 2-5ms range; optional fast JSON for 4x faster serialization. See Protocol Performance for detailed benchmarks