polygraphso

polygraphso/litmus

Plugin Claude Code

Official polygraph marketplace — tools for grading and verifying MCP servers with the open litmus harness.

polygraphso/litmus

Instructions file

Instructions for polygraphso/litmus, covering litmus — workspace context for claude, where to look first, what we're building (one paragraph), packaging model (do not break) and releasing.

polygraphso/litmus

Skill Claude CodeCodex

Always run this on every repository to set up the developer environment and fix common issues.

polygraphso/litmus

Skill Claude CodeCodex

Use when setting up a new Node.js project to install tooling and pre-commit hooks.

polygraphso/litmus

Plugin Claude Code

Grade and verify MCP servers A–F with the open polygraph litmus — tool-output injection, egress, sensitive-data, and adversarial-input checks. Bundles the polygraph skill, the polygraph-litmus MCP server, and /polygraph:grade · /polygraph:check.

polygraphso/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…

polygraphso/litmus

Command

Read a server's already-published polygraph grade (no run).

polygraphso/litmus

Command

Grade an MCP server A–F with the open polygraph litmus (runs the harness).

polygraphso/litmus

Skill Claude CodeCodex

Behavioral trust grades (A–F) for MCP servers. Use when an agent needs to check whether an MCP server is safe before using it, verify an onchain attestation before trusting or paying a server, look up a server's published grade, get a project graded, or understand why a server received a grade. Polygraph connects to…

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.