SPORE x402 Attestation
mcp remote · streamable-http · v2.1.0 · source: crawl
https://spore-x402.worker.beacon.host/mcp
Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base.
Works
100
Verified Oct 31, 2026 · p50 529 ms · p95 641 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'SPORE x402 Attestation' |
| tools_listed | 15 | pass | 6 tools |
| schema_complete | 15 | pass | 6 of 6 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 529 ms |
| latency_p95 | 5 | pass | p95 641 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (6)
| Name | Description | Schema |
|---|---|---|
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. | typed |
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, n | typed |
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. | typed |
x402_attest | Signed x402-v2 attestation of a subject/delivery packet: artifact URLs live, sha256 digests match the bound refs, report coherent with evidence. | typed |
x402_preflight | Preflight-verify a bounty delivery packet before claim/payout (reachability + digest binding + report/evidence coherence) -> signed verdict. | typed |
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, w | typed |
Badge
Paste into your README. It updates on every verification.
[](https://app.agent-xm.com/a/host-beacon-worker-spore-x402-x402-attestation)
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