toolmenu MCP
Inspect an MCP server’s tool list and catch schema or description changes before release.
Overview
toolmenu is a deterministic checker for the tools an MCP server presents to clients. Its stdio MCP mode lets an assistant examine a server while working on it. The project also documents snapshots and release diffs that can flag removed tools, newly required parameters, narrowed types and growing descriptions. A developer can keep a baseline in version control and compare it after a change.
Getting started
Use the toolmenu MCP command or the documented client plugin. Supply the server command or endpoint you intend to inspect.
Things to know
The checks cover what the test client can observe under its configuration. Follow the project’s separate guidance before running sessions that call tools with side effects.
Sources and documentation
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