All servers · Agent payments (x402)

SPORE x402 Attestation

host.beacon.worker.spore-x402/x402-attestation · v2.1.0

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Not declared (tools carry no read/destructive hints)
Capabilities declared	tools
Tool definitions	6 tools · with description 100% · input schema is an object 100% · read/destructive hints 0%

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

streamable-http · https://spore-x402.worker.beacon.host/mcp

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

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

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 and a risk verdict. Read-only, no keys, no transaction.
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.
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 challenge, network, asset, payTo, amount, whether the advertised resource URL is the URL you actually called, manifest consistency (/.well-know

Website · JSON · Text for agents · Registry updated 2026-10-21