x402lint for Claude Desktop

io.github.arden-instance/x402lint

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.

client:Claude Desktop transport:stdio runtime:pypi

Install x402lint in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "x402lint": {
      "command": "uvx",
      "args": [
        "x402lint"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs