{"protocolVersion":"0.3.0","name":"AxioRank","description":"Zero-Trust security and identity for AI agents. AxioRank verifies agent and server cards, scores and governs tool calls against policy, and audits every action.","url":"https://www.axiorank.com/api/a2a","preferredTransport":"JSONRPC","provider":{"organization":"AxioRank","url":"https://axiorank.com"},"version":"1.0.1","documentationUrl":"https://axiorank.com/docs","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json","text/plain"],"securitySchemes":{"oauth2":{"type":"oauth2","description":"OAuth 2.1 with PKCE. Discover endpoints at /.well-known/oauth-authorization-server. Required only for the privileged verify and govern skills.","flows":{"authorizationCode":{"authorizationUrl":"https://www.axiorank.com/oauth/authorize","tokenUrl":"https://www.axiorank.com/api/oauth/token","scopes":{"cards:verify":"Verify agent and server cards.","gateway:write":"Score and govern tool calls."}}}}},"skills":[{"id":"verify-agent-card","name":"Verify an agent or server card","description":"Vet a remote agent or tool identity card (A2A, MCP, OAuth, x402, and more) before connecting. AxioRank verifies signatures, scores supply-chain risk, and returns allow, review, or deny.","tags":["security","identity","supply-chain","preflight"],"examples":["Verify the agent card at https://example.com/.well-known/agent-card.json before I connect."]},{"id":"govern-tool-call","name":"Govern an agent tool call","description":"Score a proposed tool call for risk (secrets, PII, destructive operations, prompt injection, egress), apply policy, and return allow, deny, or hold with a human approval loop.","tags":["security","policy","runtime-governance","firewall"],"examples":["Score this database write before I run it and hold it for approval if risky."]},{"id":"discover-protocol-coverage","name":"Discover protocol coverage and health","description":"List the agent-interop protocols AxioRank governs across six planes and check control-plane health.","tags":["discovery","interop","health"],"examples":["Which agent protocols does AxioRank support today?"]}],"signatures":[{"protected":"eyJhbGciOiJFZERTQSIsImtpZCI6IlhFYU82ZXJ3ZXhvOU5Kd3Z5Wkc2aTZTT1E2bG1fdXhlamx4bFIwUGE0X3MiLCJqa3UiOiJodHRwczovL3d3dy5heGlvcmFuay5jb20vLndlbGwta25vd24vandrcy5qc29uIn0","signature":"GmX6zYgnl9j7T43Jo7l01q8MTOD8OtoQ9z4RNsxH_17FHteUnM_kfY9AoQPVw6LLzf8OJDpzjnsLRT3bpdL7AQ"}]}