How do I install Arduino?

Arduino is a local plugin. Install it using npm package: arduino-mcp-server and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Arduino need?

Arduino requires the following credentials or environment variables: ARDUINO_CLI_PATH, ARDUINO_SKETCH_ROOT. You can find setup instructions on the server detail page.

What AI apps work with Arduino?

Arduino uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Arduino

by Hardware Mcp

Developer ToolsUse Caution4.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

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

About

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

What You'll Need

Set these up before or after installing:

Optional path to arduino-cli binary. Defaults to arduino-cli on PATH.Optional

Environment variable: ARDUINO_CLI_PATH

Optional absolute path restricting sketch operations to this directory.Optional

Environment variable: ARDUINO_SKETCH_ROOT

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-hardware-mcp-arduino-mcp-server": {
      "env": {
        "ARDUINO_CLI_PATH": "your-arduino-cli-path-here",
        "ARDUINO_SKETCH_ROOT": "your-arduino-sketch-root-here"
      },
      "args": [
        "-y",
        "arduino-mcp-server"
      ],
      "command": "npx"
    }
  }
}

Security Report

4.2

Use Caution4.2High Risk

This Arduino MCP server provides comprehensive Arduino CLI integration with proper authentication patterns and security controls. Minor findings include subprocess command injection protection needs and hardcoded test data, but permissions appropriately match the server's hardware development purpose. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.

Scanned 3 files · 7 findings

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

Shell Command Execution

Runs commands on your machine. Be cautious — only use if you trust this plugin.

process_spawn

Check that this permission is expected for this type of plugin.

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