Agent Identity Verification

agent-handshake.com — Ed25519 challenge-response protocol (FCS-4.0)

Challenge-Response Verification

Request a cryptographic challenge and verify an agent's identity via Ed25519 signature.

Agent Registry Lookup

Look up a registered agent by DID or list all agents.

FCS Header Verification

Check any URL for Field Consensus Signal (FCS) provenance headers.

Service Status

--
agent-handshake.com
--
agent-registry.org
--
agent-trust.org
Public Keys (JWKS) · API Status · Registry · Trust · Protocol: FCS-4.0 · Algorithm: Ed25519