Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Show your live agent-readiness score on your own site. Free, no auth — it updates as your score changes.
<a href="https://prowl.world/service/polygraph">
<img src="https://prowl.world/badge/polygraph.svg" height="56" alt="Agent-readiness on Prowl">
</a>
See operational metrics, LLM evaluations, agent readiness, and more.
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