polygraphso/litmus — MCP servers

8Stars on the repository

10Mods indexed here, across every type

1mo agoLast push, which is what freshness is scored on

Apache-2.0Licence, which decides whether bodies are shown

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polygraph-litmus

MCP server Claude CodeCodexCursor +2

Behavioral litmus harness for MCP servers — grade a server A–F (tool-output injection, egress, sensitive-data, adversarial-input) with reproducible, content-addressed evidence. Ships a CLI and an MCP server with a runlitmus tool for AI agents. Runs locally from the @polygraphso/litmus npm package. Needs 2 environment…

8 1mo ago A tokens not measured original Apache-2.0

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.

8 1mo ago A tokens not measured original Apache-2.0