INDIVIDUAL MCP TOOL

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.

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 dns-preflight and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

A tool name or description suggests sending messages.

Parent server

beacon.host

CONNECT WITH APPROVAL

Client installation

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.

Related tools

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.
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 (/.