Kiln MCP Server

What the code does

We read the source, 20 h 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.

            proc = subprocess.run(

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.

этот файл ставится пользователю, но в репозитории его нет

        if os.path.exists("/.dockerenv"):

        output_path = os.path.join(backup_dir, f"kiln-{ts}.db")

        res = subprocess.run(cmd, capture_output=True, text=True, timeout=900)

            insert = b' transform="1 0 0 0 1 0 0 0 1 ' + _fmt(dx) + b" " + _fmt(dy) + b' 0"'

        __import__(fqn)

ENV KILN_PRINTER_API_KEY=""

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

  return spawnSync(probe, [bin], { stdio: "ignore" }).status === 0;

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 kiln -- uvx kiln3d

{
  "mcpServers": {
    "kiln": {
      "command": "uvx",
      "args": [
        "kiln3d"
      ]
    }
  }
}

[mcp_servers.kiln]
command = "uvx"
args = ["kiln3d"]

{
  "mcpServers": {
    "kiln": {
      "command": "uvx",
      "args": [
        "kiln3d"
      ]
    }
  }
}

{
  "servers": {
    "kiln": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kiln3d"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: KILN_PRINTER_HOST (URL of your 3D printer (OctoPrint, Moonraker, Creality, or Prusa Link)), KILN_PRINTER_API_KEY (API key for your printer's REST API), KILN_PRINTER_TYPE (Printer type: octoprint, moonraker, creality, bambu, prusalink, elegoo, or serial).