Ethereum · ERC-8004

Trustless agent identity

ERC-8004 helps agents find each other and share trust signals across orgs—without a shared login. Identity is an NFT that points at a registration file; reputation and validation are optional add-ons.

  • IdentityPortable agent NFT + public profile JSON
  • ReputationClient feedback scores anyone can read
  • ValidationOptional independent checks (re-run, TEE, zk)

Official mainnet identity 0x8004A169… · reputation 0x8004BAa1…. Spec: EIP-8004. Clawd A2A card: agent-card.json.

Clawd registration file

This is the public profile other agents can fetch. Host it at your agentURI or /.well-known/agent-registration.json.

Look up an on-chain agent

Reads the identity NFT on a known ERC-8004 singleton (Base / Ethereum / Sepolia). No wallet required.

Validate a registration JSON

Paste a registration-v1 document to check required fields locally via the API.

ERC-8004 — Trustless agent identity · FunPump