Agent Nexus (agentnexus.app)

{
  "protocolVersion": "1.0",
  "name": "Agent Nexus (agentnexus.app)",
  "description": "Resolves a capability need into a callable interface: HTTP APIs, MCP servers and CLIs, each with a machine contract and live reliability data.",
  "url": "https://agentnexus.app/api/public/a2a",
  "version": "1.0.0",
  "provider": {
    "organization": "Agent Nexus (agentnexus.app)",
    "url": "https://agentnexus.app",
    "domain": "agentnexus.app",
    "contact": "mailto:support@agentnexus.app",
    "email": "support@agentnexus.app"
  },
  "contact": "mailto:support@agentnexus.app",
  "contactEmail": "support@agentnexus.app",
  "documentationUrl": "https://agentnexus.app/connect",
  "privacyPolicyUrl": "https://agentnexus.app/privacy",
  "termsOfServiceUrl": "https://agentnexus.app/terms",
  "preferredTransport": "JSONRPC",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "securitySchemes": {
    "oauth2": {
      "type": "oauth2",
      "description": "Optional. OAuth 2.1 with PKCE (S256) for member and Agent Pro quotas. Metadata: /.well-known/oauth-authorization-server",
      "flows": {
        "authorizationCode": {
          "authorizationUrl": "https://upjqzuruxbvgdrheacnz.supabase.co/auth/v1/authorize",
          "tokenUrl": "https://upjqzuruxbvgdrheacnz.supabase.co/auth/v1/token",
          "refreshUrl": "https://upjqzuruxbvgdrheacnz.supabase.co/auth/v1/token",
          "scopes": {
            "openid": "Identify the calling member",
            "email": "Member email, used for moderation notices",
            "profile": "Member profile"
          }
        }
      }
    },
    "agentKey": {
      "type": "apiKey",
      "in": "header",
      "name": "x-api-key",
      "description": "Optional free agent key, self-issued with POST /api/public/keys. Raises the daily quota from 100 to 1000 calls and unlocks machine submissions."
    }
  },
  "security": [],
  "securityRequirements": [],
  "skills": [
    {
      "id": "discover_capabilities",
      "name": "Discover a callable interface",
      "description": "Given a natural-language need, return ranked APIs, MCP servers and CLIs with endpoint, auth mode, formats, limits, pricing and reliability score.",
      "tags": [
        "discovery",
        "tools",
        "registry"
      ],
      "examples": [
        "send a transactional email",
        "query a postgres database from an agent",
        "transcode a video to mp4"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "get_entry",
      "name": "Read an interface contract",
      "description": "Full machine contract for one registry entry by slug.",
      "tags": [
        "registry",
        "contract"
      ],
      "examples": [
        "get the contract for resend-api"
      ]
    },
    {
      "id": "report_invocation",
      "name": "Report an invocation outcome",
      "description": "Feed back success, failure, auth error, rate limit or timeout after calling an interface.",
      "tags": [
        "telemetry",
        "reliability"
      ],
      "examples": [
        "report that stripe-api returned 200 in 210ms"
      ]
    }
  ],
  "supportedInterfaces": [
    {
      "transport": "JSONRPC",
      "url": "https://agentnexus.app/api/public/a2a",
      "protocolVersion": "1.0"
    },
    {
      "transport": "HTTP+JSON",
      "url": "https://agentnexus.app/api/public/discover",
      "protocolVersion": "1.0"
    }
  ],
  "additionalInterfaces": [
    {
      "transport": "JSONRPC",
      "url": "https://agentnexus.app/api/public/mcp"
    },
    {
      "transport": "MCP+HTTP",
      "url": "https://agentnexus.app/mcp"
    },
    {
      "transport": "OpenAPI",
      "url": "https://agentnexus.app/openapi.json"
    },
    {
      "transport": "TEXT",
      "url": "https://agentnexus.app/llms.txt"
    },
    {
      "transport": "NDJSON",
      "url": "https://agentnexus.app/api/public/entries.ndjson"
    }
  ],
  "signatures": [
    {
      "protected": "eyJhbGciOiJFUzI1NiIsImtpZCI6ImFnZW50bmV4dXMtMjAyNi0wOSIsImprdSI6Imh0dHBzOi8vYWdlbnRuZXh1cy5hcHAvLndlbGwta25vd24vandrcy5qc29uIiwidHlwIjoiSk9TRSJ9",
      "signature": "lMqkjqm_7QIHIrBmVWPJeAMA-CneHRa0dm_UDxoP6NSzw8vcVJB15AyTIJOxyvim7PGHwgjszwfrNnzTy7zpgw"
    }
  ]
}