io.github.something-agent/proofcheck · v0.1.0 · crypto-web3
ProofCheck is healthy: it completed an MCP handshake in 860 ms and exposes 5 tools.
Free x402 offer/receipt checker: verifies signatures and whether the signer fits the host.
Endpoint: https://proofcheck.something-agent.workers.dev/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 5 |
| Latency | 860 ms |
| Last checked (UTC) | 2026-10-27T18:25:15.140Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-27T18:25:15.140Z | Healthy | 860 |
verify_offer | Verify an x402 signed offer (EIP-712 or JWS): signature, expiry, match to accepts[], and signer-authorization evidence (payTo, did:web, DNS _controllers, ERC-8004). Free. |
verify_receipt | Verify an x402 signed receipt (EIP-712 or JWS) returned in the settlement response: signature, freshness, payer/resource/transaction match, signer-authorization evidence. Free. |
verify_payment_required | Verify every signed offer inside a PaymentRequired object (pass the decoded JSON, or the raw base64 PAYMENT-REQUIRED header). Free. |
preflight_x402_endpoint | Unpaid preflight of an x402 URL: fetch its 402, summarise accepts[]/extensions, verify any signed offers and report who can vouch for the signer. Never pays. Free. |
lookup_erc8004_agent | Read-only ERC-8004 identity lookup (owner, agentWallet, registration file, endpoint-domain verification) on Ethereum, Base, Optimism, Arbitrum, Polygon, BNB, Avalanche, Gnosis, Celo, Linea or Scroll. |