host.beacon.worker.spore-x402/x402-attestation

up checked 2026-11-12T04:37:31.161Z

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Publisher-provided title

SPORE x402 Attestation

Publisher-provided description

Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base.

Summary by lookupd

Verifies token approvals, Base wallet balances, DNS email records, x402 endpoints, and signed attestations for bounty delivery packets.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http x402-attestation https://spore-x402.worker.beacon.host/mcp

Codex, remote (streamable-http)

codex mcp add x402-attestation --url https://spore-x402.worker.beacon.host/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "x402-attestation": {
      "url": "https://spore-x402.worker.beacon.host/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (6 tools)

Publisher-provided text

• x402_attest Signed x402-v2 attestation of a subject/delivery packet: artifact URLs live, sha256 digests match the bound refs, report coherent with evidence.
• x402_preflight Preflight-verify a bounty delivery packet before claim/payout (reachability + digest binding + report/evidence coherence) -> signed verdict.
• approval-check Check a token approval before signing it: reads the ERC-20 allowance (owner -> spender) live on Base and returns the raw allowance, an unlimited-approval flag a
• dns-preflight DNS MX TXT A records domain lookup with an email-deliverability verdict: A records, MX hosts, SPF (v=spf1) and DMARC policy, CAA, plus a signed ok/warn/fail ver
• base-wallet-lens Base wallet balances USDC ERC20 portfolio snapshot: live USDC / WETH / DAI balances, ETH balance, nonce and tx count for any Base address. Read-only.
• endpoint-check Check an x402 endpoint before paying it: fetch the unpaid 402 challenge of any x402 URL and verify it is payable and safe - HTTP 402, a parseable x402 v1/v2 cha

Details

• Version: 2.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 515 ms
• First indexed: 2026-11-01T09:02:40.371Z
• Last seen in registry: 2026-11-01T09:02:40.371Z
• Website: https://spore-x402.worker.beacon.host/.well-known/mcp.json?ref=spore

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• MCP URL: https://api.lookupd.com/mcp