PlatformIO MCP Server

io.github.powerdragonfire/platformio.mcp

Repository Registry

What is the PlatformIO MCP server?

PlatformIO for AI agents: build, flash, serial monitor, tests, crash decoding, size reports.

How to install PlatformIO

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

PLATFORMIO_MCP_POLICY
full (default), build_only, or read_only
PLATFORMIO_MCP_PROJECT_DIR
Default project directory when a tool is called without project_dir
PLATFORMIO_MCP_PIO
Explicit path to the pio executable (auto-detected otherwise)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "platformio-mcp": {
      "command": "uvx",
      "args": [
        "platformio.mcp"
      ],
      "env": {
        "PLATFORMIO_MCP_POLICY": "<YOUR_PLATFORMIO_MCP_POLICY>",
        "PLATFORMIO_MCP_PROJECT_DIR": "<YOUR_PLATFORMIO_MCP_PROJECT_DIR>",
        "PLATFORMIO_MCP_PIO": "<YOUR_PLATFORMIO_MCP_PIO>"
      }
    }
  }
}

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