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"
}
}