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Card snapshot

email-dns-preflight-x402.copper-crate.workers.dev · 2026-09-29 20:48:52 UTC · de3f6adc1bb79ca0fd5df86645b0b8870fc64e3f61b9d53731ca9b7951b517d6

This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.

{
  "protocolVersion": "1.0",
  "name": "Email DNS Preflight",
  "description": "Email and domain hygiene for agents: syntax, MX/Null-MX, SPF, DMARC and DNSSEC posture. DNS-level only; no SMTP mailbox-existence claim.",
  "url": "https://email-dns-preflight-x402.copper-crate.workers.dev/a2a",
  "preferredTransport": "JSONRPC",
  "supportedInterfaces": [
    {
      "url": "https://email-dns-preflight-x402.copper-crate.workers.dev/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "version": "1.0.0",
  "provider": {
    "organization": "Email DNS Preflight",
    "url": "https://email-dns-preflight-x402.copper-crate.workers.dev"
  },
  "documentationUrl": "https://email-dns-preflight-x402.copper-crate.workers.dev/skill.md",
  "iconUrl": "https://email-dns-preflight-x402.copper-crate.workers.dev/icon.svg",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "authentication": [
    {
      "schemes": [
        "x402"
      ]
    }
  ],
  "skills": [
    {
      "id": "emailDnsPreflight",
      "name": "Email DNS Preflight",
      "description": "Preflight an email address and its public DNS mail-security posture.",
      "tags": [
        "email",
        "validation",
        "verification",
        "dns",
        "security"
      ],
      "examples": [
        "Check alice@example.com before CRM import"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "x402": {
    "endpoint": "https://email-dns-preflight-x402.copper-crate.workers.dev/v1/email/preflight",
    "getExample": "https://email-dns-preflight-x402.copper-crate.workers.dev/v1/email/preflight?email=alice%40example.com",
    "priceUsd": 0.001,
    "asset": "USDC",
    "network": "eip155:8453",
    "payTo": "0x513da013685f6B608b4A437d06377CAD71425E80"
  }
}