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mcp/harbor
Claude Desktop

m2mcent for Claude Desktop

io.github.evozim/m2mcent

x402 payment wrapper for AI Agents and MCP Servers. USDC settlements on Base L2.

client:Claude Desktop transport:stdio runtime:npm

Install m2mcent in Claude Desktop

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

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{
  "mcpServers": {
    "m2mcent": {
      "command": "npx",
      "args": [
        "-y",
        "m2mcent-sdk"
      ],
      "env": {
        "BASE_RPC_URL": "<BASE_RPC_URL>",
        "RELAYER_PRIVATE_KEY": "<RELAYER_PRIVATE_KEY>",
        "TREASURY_ADDRESS": "<TREASURY_ADDRESS>"
      }
    }
  }
}

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

m2mcent in other clients

m2mcent MCP server