Celo x402 Facilitator

Connect Remote server

claude mcp add --transport http x402-facilitator https://api.x402.celo.org/mcp

{
  "mcpServers": {
    "x402-facilitator": {
      "url": "https://api.x402.celo.org/mcp"
    }
  }
}

{
  "servers": {
    "x402-facilitator": {
      "type": "http",
      "url": "https://api.x402.celo.org/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.x402.celo.org/mcp

Tools 5 found in our last check

• get_supported

  The (x402Version, scheme, network) kinds and extensions this facilitator verifies and settles. Same answer as GET /supported.

• get_config

  Every settleable asset with its address, decimals, transfer method and EIP-712 domain values, plus the pricing model (gas at cost, plus a fee in basis points on the payment value when the asset has a USD price), the gas fallback and the free-credit allowances. Same answer as GET…

• get_health

  Whether the facilitator behind this host is answering. Same answer as GET /health.

• verify_payment

  Check a signed x402 payment against its requirements: signature, amount, balance and simulation. Moves no funds. Same answer as POST /verify, and it spends the same per-IP allowance.

• payment_status

  Whether a signed payment authorization has been used on chain, for a client whose settle reply was lost. Answers unspent, consumed or expired from the chain (EIP-3009 authorizationState, or the Permit2 nonce bitmap). unspent is not final: the authorization can still be used unti…

Details

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• BusCalc Business Calculators

  Business calculators, data lookups, replayable receipts, and documentation for enterprise pilots.

• CarLoanMath

  US car loan math: monthly payment, compare loans, max price for your budget, amortization. Free.

• InfinityVolume

  Dollar volume across 13 stock markets and US sectors, against each one's own normal. No prices.

• xytara MCP Executor

  Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.