Arduino MCP Server: Install & Setup

Install Arduino in Claude Code

Claude Code

claude mcp add hardware-mcp-arduino -- npx -y arduino-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "hardware-mcp-arduino": {
      "command": "npx",
      "args": [
        "-y",
        "arduino-mcp-server"
      ]
    }
  }
}

Frequently asked questions

What does the Arduino MCP server do?

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Is the Arduino MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Arduino run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Arduino to Claude Code?

Run: claude mcp add hardware-mcp-arduino -- npx -y arduino-mcp-server

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