MCP Config & JSON-RPC Session Inspector LOCAL ONLY

Statically inspect MCP server configuration or a captured JSON-RPC transcript, including initialization, tools/list, tools/call, IDs and tool schemas.

Stable baseline: MCP 2025-11-25
Static inspection only: this page never starts a process, connects to a server, follows a URL or sends credentials.
MCP input

Inspect configuration and protocol shape without connecting

The checker follows the stable 2025-11-25 lifecycle and tool fields. It recognizes stdio and Streamable HTTP configuration patterns, but does not prove interoperability, trust a tool description, or implement draft release-candidate behavior.

Recent tools: