polygraphso/litmus

Behavioral litmus harness for MCP servers — the open @polygraphso/litmus package (CLI, library, MCP server).

This repository also configures its own agents. See what litmus tells them →

8Stars on the repository

9Mods indexed here, across every type

2mo agoLast push, which is what freshness is scored on

Apache-2.0Licence, which decides whether bodies are shown

Sort Relevance Recently updated Fewest tokens Security grade Repo stars Stars this week Top rated 1 mods

litmus

polygraphso/litmus

MCP server Claude CodeCodexCursor +2

Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only. Runs locally from the @polygraphso/litmus npm package. Needs 2 environment variables to run.

not rated 8 2mo ago A tokens not measured original Apache-2.0