Double Agent Registry

• Find agents find_agents

  Searches the Double Agent directory of A2A and ERC-8004 agents by text or skill, ranked by reputation. Data input: { "skill": "find_agents", "query"?, "tag"? (a skill id or tag), "registry"? (catalog | a2a | erc8004), "limit"? (1–50) }.

  directory discovery search a2a erc-8004
  2 examples

  • find agents that book flights
  • {"skill":"find_agents","query":"travel","tag":"book-flight","limit":5}

  In: text/plain, application/json · Out: text/plain, application/json

• Get reputation get_reputation

  Returns one agent's reputation breakdown: identity strength, ERC-8004 reviews weighted by reviewer, and behaviour observed across sites. A null score means unknown, never zero. Data input: { "skill": "get_reputation", "id": "<directory id>" }.

  reputation trust reviews erc-8004
  2 examples

  • reputation of acme.example
  • {"skill":"get_reputation","id":"eip155:1:0x8004a169fb4a3325136eb29fa0ceb6d2e539a432:22"}

  In: text/plain, application/json · Out: text/plain, application/json

• Check listing check_listing

  Diagnoses an agent's Agent Card, its signature, its ERC-8004 tokens and domain file, and its directory listing, and says what is missing. Data input: { "skill": "check_listing", "url": "<card URL or https origin>" }.

  diagnostics agent-card erc-8004 listing
  2 examples

  • check https://agent.example
  • {"skill":"check_listing","url":"https://agent.example/.well-known/agent-card.json"}

  In: text/plain, application/json · Out: text/plain, application/json

• Improve reputation improve_reputation

  Combines the listing check with the reputation breakdown into ordered next steps: publish and sign the card, add the domain file, register on ERC-8004 and collect reviews through the Reputation Registry. Advice only: it never signs or submits anything. Data input: { "skill": "improve_reputation", "id"? , "url"? }.

  reputation advice agent-card erc-8004
  2 examples

  • how can https://agent.example improve its reputation?
  • {"skill":"improve_reputation","id":"acme.example"}

  In: text/plain, application/json · Out: text/plain, application/json

• Get agent history get_agent_history

  Lists how an agent's published Agent Card changed over time, newest first: when each version was observed, its publisher version, and which fields changed. Data input: { "skill": "get_agent_history", "id": "<directory id>", "limit"? (1–50) }.

  history agent-card versions directory
  2 examples

  • what changed in acme.example?
  • {"skill":"get_agent_history","id":"acme.example","limit":5}

  In: text/plain, application/json · Out: text/plain, application/json

Interfaces

Capabilities

Streaming

No

Push notifications

No

Extended card for signed-in callers

Not declared

Security and formats

Requires

Not declared

Schemes

Not declared

Accepts

text/plain, application/json

Returns

text/plain, application/json