SPORE x402 Attestation
Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base.
| Endpoint | https://spore-x402.worker.beacon.host/mcp (streamable-http) |
|---|---|
| Registry version | 2.1.0 |
| Now | 6 tools · grade C (79) · pin ts_41ea83be5626014f4a601950798a7228 · protocol 2025-06-18 |
| First / last listed | 2026-11-02 02:50 UTC / 2026-11-02 02:50 UTC |
| Grade over time | 2026-11-02: C (79), 6 tools |
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Tools: x402_attest x402_preflight approval-check dns-preflight base-wallet-lens endpoint-check
x402_attest | Signed x402-v2 attestation of a subject/delivery packet: artifact URLs live, sha256 digests match the bound refs, report coherent with evidence. params: subject* |
x402_preflight | Preflight-verify a bounty delivery packet before claim/payout (reachability + digest binding + report/evidence coherence) -> signed verdict. params: packet* |
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 and a risk verdict. Read-only, no keys, no transaction. params: owner*, spender*, token |
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 verdict. params: domain* |
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. params: address* |
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 challenge, network, asset, payTo, amount, whether the advertised resource URL is the URL you actually called, manifest consistency (/.well-known/x402.json), header-size overflow risk for Node clients, and a signed pay / caution / avoid verdict params: url* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.