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Arduino MCP Server

Official registry Other

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package arduino-mcp-server
Claude Code 
claude mcp add arduino-mcp-server -e 'ARDUINO_CLI_PATH=<ARDUINO_CLI_PATH>' -e 'ARDUINO_SKETCH_ROOT=<ARDUINO_SKETCH_ROOT>' -- npx -y arduino-mcp-server@0.2.8
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "arduino-mcp-server": {
            "command": "npx",
            "args": [
                "-y",
                "arduino-mcp-server@0.2.8"
            ],
            "env": {
                "ARDUINO_CLI_PATH": "<ARDUINO_CLI_PATH>",
                "ARDUINO_SKETCH_ROOT": "<ARDUINO_SKETCH_ROOT>"
            }
        }
    }
}

Environment variables

  • ARDUINO_CLI_PATH Optional path to arduino-cli binary. Defaults to arduino-cli on PATH.
  • ARDUINO_SKETCH_ROOT Optional absolute path restricting sketch operations to this directory.

Frequently asked questions

What is Arduino MCP Server?

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

How do I install Arduino MCP Server?

It runs on your machine. In Claude Code: claude mcp add arduino-mcp-server -e 'ARDUINO_CLI_PATH=<ARDUINO_CLI_PATH>' -e 'ARDUINO_SKETCH_ROOT=<ARDUINO_SKETCH_ROOT>' -- npx -y arduino-mcp-server@0.2.8. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Arduino MCP Server need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Arduino MCP Server open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Arduino MCP Server?

It is published by hardware-mcp. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.