Overwing

{
  "protocolVersion": "0.3.0",
  "name": "Overwing",
  "description": "Checks text before an agent sends or acts on it, and identifies AI crawlers and agents from a User-Agent string. Send a message with the text and get back a verdict and one recommended action: block, redact, review or allow. Answers at once; it is a service, not a conversation. Overwing also makes Tower, clearance for agents operating legacy business systems, which is called over REST or MCP, not A2A.",
  "author": "Overwing",
  "wellKnownURI": "https://overwing.ai/.well-known/agent-card.json",
  "url": "https://overwing.ai/a2a",
  "version": "1.1.0",
  "provider": {
    "organization": "Overwing",
    "url": "https://overwing.ai/"
  },
  "documentationUrl": "https://overwing.ai/llms.txt",
  "iconUrl": "https://overwing.ai/icon.svg",
  "supportsAuthenticatedExtendedCard": false,
  "security": [
    {},
    {
      "organizationKey": []
    }
  ],
  "securitySchemes": {
    "organizationKey": {
      "type": "http",
      "scheme": "bearer",
      "description": "Optional. ow_live_... from POST https://overwing.ai/api/v1/signup lifts the free limits",
      "httpAuthSecurityScheme": {
        "scheme": "bearer",
        "description": "Optional. ow_live_... from POST https://overwing.ai/api/v1/signup lifts the free limits"
      }
    }
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "evaluate-text",
      "name": "Check text before it ships",
      "description": "Score a draft, a model's output, or an incoming message. Returns a verdict (pass, fail, review), one recommended action (block, redact, review, allow), and per-rule results with calibrated confidence.",
      "tags": [
        "guardrails",
        "moderation",
        "pii",
        "toxicity",
        "dlp",
        "safety"
      ],
      "examples": [
        "Is this reply safe to send to the customer?",
        "Does this draft leak personal data the recipient does not already have?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    },
    {
      "id": "identify-user-agent",
      "name": "Identify a User-Agent",
      "description": "Say what a User-Agent string claims to be and whether the claim can be trusted: operator, purpose, and verification method.",
      "tags": [
        "atlas",
        "user-agent",
        "bot-detection",
        "web-bot-auth",
        "crawlers"
      ],
      "examples": [
        "Who is 'Mozilla/5.0 (compatible; GPTBot/1.2)' and can I verify it?",
        "Is this request from a signed agent or a spoofable string?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    },
    {
      "id": "give-feedback",
      "name": "Tell Overwing what went wrong",
      "description": "One message to the people who run Overwing: a wrong verdict, an error you could not act on, a payment you could not make. Read by a person; leave a contact if you want an answer.",
      "tags": [
        "feedback",
        "support"
      ],
      "examples": [
        "The verdict on evaluation abc123 was wrong: the recipient owned that phone number.",
        "The 402 on /api/x402/atlas/lookup names a network my wallet cannot pay on."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "5ee5711b-132a-48e3-b7cd-a6375fabdf3c",
  "category": "trust-safety",
  "category_secondary": null
}