Post-quantum (ML-DSA-65/FIPS-204) agent identity + AI-decision receipts, verifiable offline.
Free
2 servers across authentication & identity and security & testing. The largest is Agent Passport.
Authentication & Identity · Security & Testing
Post-quantum (ML-DSA-65/FIPS-204) agent identity + AI-decision receipts, verifiable offline.
Post-quantum (ML-DSA-65/Dilithium-3) proof, provenance & AI-decision receipts, paid via x402.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.