Google Sign-In Claude Agent

{
  "protocolVersion": "0.3.0",
  "name": "Google Sign-In Claude Agent",
  "description": "Google Sign-In Claude Agent: composes anthropic + google-auth-oauthlib + mcp — llm-client, oauth-oidc, agent-protocol via A2A + MCP.",
  "author": "VDA / GOSCE",
  "wellKnownURI": "https://authenticated-llm-agent-anthropic.getvda.ai/.well-known/agent-card.json",
  "url": "https://authenticated-llm-agent-anthropic.getvda.ai/a2a/",
  "version": "0.1.1",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai/"
  },
  "documentationUrl": "https://authenticated-llm-agent-anthropic.getvda.ai/governance.md",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://rssa.getvda.ai/ext/v0.1",
        "params": {
          "hub": "https://hub.rssa.getvda.ai/",
          "feed": "https://storage.googleapis.com/c2md-493808-gosce-rssa/feeds/anthropic-google-auth-oauthlib-mc-aed9d5/feed.json",
          "keys": {
            "keys": [
              {
                "x": "mVhcch5boSU6dMWx8Vt5tY0i5XlaKb48_CsS_quIDaI",
                "crv": "Ed25519",
                "kid": "U3hreg-6EHOhXZMz9zH11Nb5Dzw9DJsKZQTDfGPW8bU",
                "kty": "OKP"
              },
              {
                "x": "8oEBH6YoW8vEPcmMcKo1o9Xyr26guuhLgQp_px47yYM",
                "crv": "Ed25519",
                "kid": "HqYbSChaa0ymvZQam0XYg7hAWGJhJydOxMBlkeYswk8",
                "kty": "OKP"
              }
            ]
          },
          "groups": [
            "https://storage.googleapis.com/c2md-493808-gosce-rssa/groups/fleet-ops/policy.json",
            "https://storage.googleapis.com/c2md-493808-gosce-rssa/groups/fleet-ops-strict/policy.json"
          ],
          "cadence": "P1D",
          "modules": [
            "sign",
            "groups",
            "thread",
            "controls"
          ],
          "rotations": [
            {
              "at": "2026-10-10T08:02:03Z",
              "sig": "eyJhbGciOiJFZERTQSIsImtpZCI6IlUzaHJlZy02RUhPaFhaTXo5ekgxMU5iNUR6dzlESnNLWlFURGZHUFc4YlUifQ..U5eP6zOE2uJIin17ctgM_s8_l5UDpfovARdSUOtdivI48qKZFIODsclMqAdO3H0Q8ZT_qPr7n3elQ0VQcHpPBQ",
              "next": {
                "x": "8oEBH6YoW8vEPcmMcKo1o9Xyr26guuhLgQp_px47yYM",
                "crv": "Ed25519",
                "kid": "HqYbSChaa0ymvZQam0XYg7hAWGJhJydOxMBlkeYswk8",
                "kty": "OKP"
              },
              "prev": "U3hreg-6EHOhXZMz9zH11Nb5Dzw9DJsKZQTDfGPW8bU"
            }
          ]
        },
        "required": false,
        "description": "RSSA: this agent's feed and modules"
      }
    ]
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "llm-client",
      "name": "Llm Client",
      "description": "llm client capability provided by anthropic.",
      "tags": [
        "anthropic"
      ],
      "examples": [
        "Use the llm-client capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "oauth-oidc",
      "name": "Oauth Oidc",
      "description": "oauth oidc capability provided by google-auth-oauthlib.",
      "tags": [
        "google-auth-oauthlib"
      ],
      "examples": [
        "Use the oauth-oidc capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "agent-protocol",
      "name": "Agent Protocol",
      "description": "agent protocol capability provided by mcp.",
      "tags": [
        "mcp"
      ],
      "examples": [
        "Use the agent-protocol capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "selftest",
      "name": "Self-test (free verification)",
      "description": "FREE — no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`asserted_correct` = a property of the output was checked; `ran_without_error` = it ran but nothing was asserted, which is NOT a pass), a trust manifest with a proof link for every claim, and a tamper-evident Ed25519-signed VDA Witness record of the run that anyone can verify with no credential.",
      "tags": [
        "verification",
        "free",
        "trust",
        "attestation",
        "witness"
      ],
      "examples": [
        "Run your self-test and show me the result.",
        "Prove you do what your card claims.",
        "Give me the signed Witness record for your last self-test."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "c63009f0-1053-4f48-8099-76e3a0c82c67",
  "category": "trust-safety",
  "category_secondary": null
}