mcu-debug-mcp MCP Server

What the code does

We read the source, 5 d ago · rules 995398eba69f

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

        r = subprocess.run(cmd, capture_output=True, text=True, timeout=180,

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

    r = subprocess.run(cmd, cwd=ROOT, **kw)

        path = os.path.join(ROOT, rel)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add mcu-debug-mcp -- uvx mcu-debug-mcp

{
  "mcpServers": {
    "mcu-debug-mcp": {
      "command": "uvx",
      "args": [
        "mcu-debug-mcp"
      ]
    }
  }
}

[mcp_servers.mcu-debug-mcp]
command = "uvx"
args = ["mcu-debug-mcp"]

{
  "mcpServers": {
    "mcu-debug-mcp": {
      "command": "uvx",
      "args": [
        "mcu-debug-mcp"
      ]
    }
  }
}

{
  "servers": {
    "mcu-debug-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcu-debug-mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: MCU_DEBUG_MCP_MODE (Isolation mode: readonly (default) or write. Controls whether serial write/flash operations are allowed), MCU_DEBUG_MCP_PORT_DENY (Comma-separated port denylist (e.g. COM6,COM28); supports * wildcard; DENY overrides ALLOW).