SPORE x402 Attestation

Name: SPORE x402 Attestation
Author: host.beacon.worker.spore-x402

MCP serverMCP

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

by host.beacon.worker.spore-x402homepage ↗v2.1.0

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Evidence

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30-day availability18/18 checks ok

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	53 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
9 h ago	mcp initialize	ok	200	124 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
16 h ago	mcp initialize	ok	200	56 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
23 h ago	mcp initialize	ok	200	40 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
31 h ago	mcp initialize	ok	200	46 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	39 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	32 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	41 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	38 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools
3 d ago	mcp initialize	ok	200	28 ms	server SPORE x402 Attestation 2.1.0 · protocol 2025-06-18 · 6 tools

Tools observed via MCP handshake

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

Declared by sources

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

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Official MCP Registryhost.beacon.worker.spore-x402/x402-attestation

first seen 5 d ago · fetched 2 d agoopen ↗

Field history (6 recent events)

5 d ago · declared · summary → "Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base."
5 d ago · declared · description → "Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base."
5 d ago · declared · publisherName → "host.beacon.worker.spore-x402"
5 d ago · declared · homepageUrl → "https://spore-x402.worker.beacon.host/.well-known/mcp.json?ref=spore"
5 d ago · declared · version → "2.1.0"
5 d ago · declared · protocols → ["mcp"]

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Evidence

What the publisher says

Capabilities

Where this record came from