2 min · Simon Willison
Inspect and Query Stateless Model Context Protocol Endpoints with mcp-explorer and llm-mcp-client
Following the Model Context Protocol 2.0 stateless HTTP specification, new developer CLI tools simplify probing and interacting with Model Context Protocol servers without maintaining server-side session state. Developers can now inspect tool schemas instantly via uvx and query tools directly inside terminal LLM workflows using alpha llm-mcp-client.
Why it matters. Stateless MCP eliminates the need for managing server session state or complex connection routing, making it significantly easier to build and audit agent tool integrations.