All servers · Payments & accounting · Agent payments (x402)

Celo x402 Facilitator

org.celo/x402-facilitator · v1.0.0

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	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	5 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Check supported assets and verify x402 payments on Celo

streamable-http · https://api.x402.celo.org/mcp

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

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

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 /api/config.
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 until validBefore, and a

JSON · Text for agents · Registry updated 2026-10-27