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x402-payment-safety

MCP serverCommerce & finance

Your AI can make x402 payments only after each one passes a safety check. The integration produces a signed approval for each specific payment request, and your AI signs only payments that have one. This keeps every payment signature backed by a decision made for that exact request.

Use x402-payment-safety in Claude, ChatGPT or Ahel Desktop

Free. Sign in, add x402-payment-safety and connect your AI. About a minute.

ClaudeChatGPTAhel Desktop

Also: Claude Code · Cursor · Codex

Then ask your AI: use the guild x402 payment safety tool from x402-payment-safety

Details

Available today. Use it from your connected AI after setup.

Add the integration, then connect it to your AI's payment flow so every x402 payment gets a safety decision before signing. Setup details are in the repository at github.com/AgentTanuki/agent-guild.

x402-payment-safetyStart free

What your AI can do with it

  • Approve x402 payments before they are signed
  • Tie each approval to the exact payment request it covers
  • Get signed decisions that accompany each payment
  • Hold back payments that have not been approved
  • Review a payment request against its safety decision before signing

Install x402-payment-safety

The server’s own address, for the clients that take one directly. Or connect Ahel once and every client you use reads it from one address, with the account kept on Ahel rather than in each client’s config.

  • Claude Code

    claude mcp add --transport http --scope user x402-payment-safety 'https://agent-guild-5d5r.onrender.com/mcp/payment-safety/'

    Run it once in your project, then open /mcp to approve any sign-in the server asks for.

  • Claude Desktop

    https://agent-guild-5d5r.onrender.com/mcp/payment-safety/

    Add a custom connector in Settings, paste this address, and approve the sign-in.

  • Cursor

    cursor://anysphere.cursor-deeplink/mcp/install?name=x402-payment-safety&config=eyJ1cmwiOiJodHRwczovL2FnZW50LWd1aWxkLTVkNXIub25yZW5kZXIuY29tL21jcC9wYXltZW50LXNhZmV0eS8ifQ==

    Open the link and Cursor adds the server at that address.

  • ChatGPT

    https://agent-guild-5d5r.onrender.com/mcp/payment-safety/

    In Settings, enable Developer mode, create an MCP app, and paste this address. Your plan and workspace must allow custom apps.

  • Codex

    codex mcp add x402-payment-safety --url 'https://agent-guild-5d5r.onrender.com/mcp/payment-safety/'

    Run it once, then sign in with codex mcp login x402-payment-safety if the server asks for an account.

From the project's README

As published by agenttanuki/agent-guild in README.md. This repository publishes several servers, so only the opening is shown here.

The trust layer for AI agents.

Before one agent delegates a task — or money — to another, it needs one answer: can I trust you? Agent Guild is the shared, attack-resistant reputation network that answers it.

Connect any MCP agent in one line — no install:

https://agent-guild-5d5r.onrender.com/mcp

Gemini CLI agents can install the native extension directly:

gemini extensions install https://github.com/AgentTanuki/agent-guild

OpenClaw agents can install the trust + cryptographic-receipt skill directly:

openclaw skills install git:AgentTanuki/agent-guild@main

Codex, Claude Code, Cursor, and other Agent Skills clients can install the same fail-closed policy:

Shortened here. Read the whole README on GitHub.

Tools it offers (1)

What this server listed when Ahel dialed its public endpoint in Oct 2026, with no key and no account of yours. The names are the server’s own.

  • guild_x402_payment_safety

Signals

Forks
1
Last commit
Sep 2026

Ahel recommends instead

pulsefeed-x402
MCP server · nikolife2016
Advanced
Delivery
x402-payment-safety MCP server → your Ahel connector (mcp.ahel.ai) → your AI.
Item type
mcp-server
Key
io-github-agenttanuki-x402-payment-safety
Source
github.com/agenttanuki/agent-guild
Hosted endpoint
https://agent-guild-5d5r.onrender.com/mcp/payment-safety/

github.com/agenttanuki/agent-guild

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