"Poly" matching MCP servers:

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  Polygraphofficial

  polygraphso

  A

  license

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  quality

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  maintenance

  Open behavioral litmus for MCP servers — grades A–F across tool-output injection, egress, sensitive-data, and adversarial-input, with reproducible, content-addressed evidence. Tools: run_litmus, verify_attestation.

  Last updated 2026-07-16

  12

  4

  86

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  Apache 2.0