INDIVIDUAL MCP TOOL

x402_preflight

Preflight-verify a bounty delivery packet before claim/payout (reachability + digest binding + report/evidence coherence) -> signed verdict.

beacon.hostnone authenticationAvailability not checked

LIVE ENDPOINT

https://spore-x402.worker.beacon.host/mcp

No auth detected

Connect to this endpoint to inspect the live schema for x402_preflight and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.spore-x402-attestation]
url = "https://spore-x402.worker.beacon.host/mcp"
enabled = true

Claude Code

.mcp.json

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

Claude Desktop

Settings → Connectors → Add custom connector

Name: spore-x402-attestation
Remote MCP URL: https://spore-x402.worker.beacon.host/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

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

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "spore-x402-attestation": {
      "type": "http",
      "url": "https://spore-x402.worker.beacon.host/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "spore-x402-attestation",
  "transport": "streamable-http",
  "url": "https://spore-x402.worker.beacon.host/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

x402_attest — Signed x402-v2 attestation of a subject/delivery packet: artifact URLs live, sha256 digests match the bound refs, report coherent with evidence.
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.
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.
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 (/.