LocalFree

ESP32 Simulator MCP server

stramanu/esp32sim-mcp

Boot and test ESP32 firmware in a local emulator: UART asserts, buttons, virtual WiFi, screenshots.

6 GitHub stars4 forks195 npm downloads / month
Source code

Install ESP32 Simulator in Claude Code

Claude Code
claude mcp add esp32-simulator -- npx -y esp32sim-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "esp32-simulator": {
      "command": "npx",
      "args": [
        "-y",
        "esp32sim-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the ESP32 Simulator MCP server do?

Boot and test ESP32 firmware in a local emulator: UART asserts, buttons, virtual WiFi, screenshots.

Is the ESP32 Simulator 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 ESP32 Simulator run locally or remotely?

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

How do I add ESP32 Simulator to Claude Code?

Run: claude mcp add esp32-simulator -- npx -y esp32sim-mcp

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