x402-conformance

Level CLocal

Conformance and fault-injection safety tests for x402 payments: catch double-credit, early credit and broken-settle bugs in your facilitator or resource server, in one CI step. GitHub Action, PyPI and npm.

⭐ 2Office & ProductivityPythonRepo ↗Updated 2026-11-03

Installation

MCP client config (paste into mcp.json)

{
  "mcpServers": {
    "x402-conformance": {
      "command": "npx",
      "args": [
        "x402-conformance-mcp"
      ]
    }
  }
}

Agent install prompt

Copy and paste into Cursor / Claude / other agents to install this MCP for you

Please read this MCP repository and install it into my current environment:
https://github.com/atsp-protocol/x402-conformance

Known working client config (can write into mcp.json):
{
  "mcpServers": {
    "x402-conformance": {
      "command": "npx",
      "args": [
        "x402-conformance-mcp"
      ]
    }
  }
}

Please: 1) check README for deps and env vars; 2) write config for my client; 3) if secrets are missing, tell me what to fill — do not invent values.

Related servers