MCP server

Celo x402 Facilitator Official

org.celo/x402-facilitator

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Check supported assets and verify x402 payments on Celo

Working at last checkVerified publisher: celo.orgAbout 786 tokens per request once connected5 tools

https://api.x402.celo.org/mcp

At a glance

Type: MCP server
Publisher: celo.org (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 786 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 28 Oct 2026, 09:03 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.x402-facilitator]
url = "https://api.x402.celo.org/mcp"

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add x402-facilitator https://api.x402.celo.org/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"x402-facilitator","server_url":"https://api.x402.celo.org/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"x402-facilitator","server_url":"https://api.x402.celo.org/mcp"}

get_config ~117 tokens
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 ~57 tokens
Whether the facilitator behind this host is answering. Same answer as GET /health.
get_supported ~70 tokens
The (x402Version, scheme, network) kinds and extensions this facilitator verifies and settles. Same answer as GET /supported.
payment_status ~366 tokens
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
verify_payment ~176 tokens
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.

PayAI x402 Facilitator
Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.
Streamlivr
Access African & global creator profiles, music metadata, and posts via x402 on Celo.
AgentPay x402 Facilitator
Verify signed x402 payments; treasury-scoped settlement is irreversible.
xportalx
AI agent gateway with web fetching, data extraction, crypto pricing, and x402 payments
x402 Micropayments MCP
Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.
Babyblueviper Invinoveritas
Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.
geld machen x402 agent utilities
x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans
Liquid Agent
Money tools for AI agents over x402: USDC bridge to 16 chains, Polymarket data, stocks, USDC gas.

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