MCP server

AgentPay x402 Facilitator

com.x402-agent-pay/facilitator

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Verify signed x402 payments; treasury-scoped settlement is irreversible.

Working at last checkVerified publisher: x402-agent-pay.comAbout 3,893 tokens per request once connected2 tools

https://x402-agent-pay.com/facilitator/mcp

At a glance

Type: MCP server
Publisher: x402-agent-pay.com (verified by the MCP Registry)
Status: Working at last check
Tools: 2
Token cost: About 3,893 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 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 facilitator https://x402-agent-pay.com/facilitator/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.facilitator]
url = "https://x402-agent-pay.com/facilitator/mcp"

Gemini CLI

{"mcpServers":{"facilitator":{"httpUrl":"https://x402-agent-pay.com/facilitator/mcp"}}}

Cursor

{"mcpServers":{"facilitator":{"url":"https://x402-agent-pay.com/facilitator/mcp"}}}

VS Code

{"servers":{"facilitator":{"type":"http","url":"https://x402-agent-pay.com/facilitator/mcp"}}}

Antigravity

agy mcp add facilitator https://x402-agent-pay.com/facilitator/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":"facilitator","server_url":"https://x402-agent-pay.com/facilitator/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"facilitator","server_url":"https://x402-agent-pay.com/facilitator/mcp"}

x402_facilitator_settle ~1978 tokens
IRREVERSIBLE SIDE EFFECT: forwards the envelope to POST https://x402-agent-pay.com/facilitator/settle. The existing facilitator first re-runs verify(), then refuses PAYEE_NOT_SERVED_HERE unless payTo is the AgentPay treasury (0x367F1b3D8Ca90D1e087481a9A40d585Bf3451a03 on Base / 6aCEuwH3PYx99cEmRz45o
x402_facilitator_verify ~1915 tokens
Forward an x402 payment envelope to POST https://x402-agent-pay.com/facilitator/verify. Recovers the EIP-712 signer, checks payee/amount/expiry/nonce/USDC balance and spend authority. Free. No gas. No broadcast. Returns isValid plus invalidReason when the payload cannot clear. Authorization still li

PayAI x402 Facilitator
Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.
AgentWorld — Live AI Agent Economy
Live AI agent economy on Base L2: agents, credit files, games, jobs, crypto news, x402 USDC tools.
Gblin Treasury Risk Regime
GBLIN on Base for AI agents: risk regime, treasury plan for idle USDC, mint and redeem at NAV. Free.
agentpay — card-funded wallets for AI agents
Pay-per-call LLM + extract (no API key), prepaid wallets, scoped keys, BSV x402 MCP.
xportalx
AI agent gateway with web fetching, data extraction, crypto pricing, and x402 payments
Billify payments
Let agents verify the seller and pay Billify invoices with x402 (USDC on Base).
x402 economy tools
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
geld machen x402 agent utilities
x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

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