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PlatformIO

io.github.powerdragonfire/platformio.mcp ยท v0.1.0

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

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Terminal
claude mcp add platformio-mcp -e PLATFORMIO_MCP_POLICY=<PLATFORMIO_MCP_POLICY> -e PLATFORMIO_MCP_PROJECT_DIR=<PLATFORMIO_MCP_PROJECT_DIR> -e PLATFORMIO_MCP_PIO=<PLATFORMIO_MCP_PIO> -- uvx platformio.mcp==0.1.0
claude_desktop_config.json
{
  "mcpServers": {
    "platformio-mcp": {
      "command": "uvx",
      "args": [
        "platformio.mcp==0.1.0"
      ],
      "env": {
        "PLATFORMIO_MCP_POLICY": "<PLATFORMIO_MCP_POLICY>",
        "PLATFORMIO_MCP_PROJECT_DIR": "<PLATFORMIO_MCP_PROJECT_DIR>",
        "PLATFORMIO_MCP_PIO": "<PLATFORMIO_MCP_PIO>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "platformio-mcp": {
      "command": "uvx",
      "args": [
        "platformio.mcp==0.1.0"
      ],
      "env": {
        "PLATFORMIO_MCP_POLICY": "<PLATFORMIO_MCP_POLICY>",
        "PLATFORMIO_MCP_PROJECT_DIR": "<PLATFORMIO_MCP_PROJECT_DIR>",
        "PLATFORMIO_MCP_PIO": "<PLATFORMIO_MCP_PIO>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "platformio-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "platformio.mcp==0.1.0"
      ],
      "env": {
        "PLATFORMIO_MCP_POLICY": "<PLATFORMIO_MCP_POLICY>",
        "PLATFORMIO_MCP_PROJECT_DIR": "<PLATFORMIO_MCP_PROJECT_DIR>",
        "PLATFORMIO_MCP_PIO": "<PLATFORMIO_MCP_PIO>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

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

Details

Package[email protected] (PYPI, stdio)
First published16 Sep 2026
Last updated16 Sep 2026
Registry nameio.github.powerdragonfire/platformio.mcp

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