Kiln MCP Server

by codeofaxelio.github.codeofaxel/kilnv1.4.1

Run 3D printers end to end: design, slice, queue, monitor via camera and recover from failures over OctoPrint, Moonraker/Klipper, PrusaLink or USB.

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Active1d ago

Install Kiln MCP server

claude mcp add kiln3d -e KILN_PRINTER_API_KEY='<kiln-printer-api-key>' -- uvx kiln3d serve

{
  "mcpServers": {
    "kiln3d": {
      "command": "uvx",
      "args": [
        "kiln3d",
        "serve"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "<kiln-printer-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "kiln3d": {
      "command": "uvx",
      "args": [
        "kiln3d",
        "serve"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "<kiln-printer-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "kiln3d": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kiln3d",
        "serve"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "<kiln-printer-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "kiln3d": {
      "command": "uvx",
      "args": [
        "kiln3d",
        "serve"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "<kiln-printer-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
KILN_PRINTER_HOST	—	—	URL of your 3D printer (OctoPrint, Moonraker, Creality, or Prusa Link)
KILN_PRINTER_API_KEY	—	yes	API key for your printer's REST API
KILN_PRINTER_TYPE	—	—	Printer type: octoprint, moonraker, creality, bambu, prusalink, elegoo, or serial

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
2026-08-19 · 52d ago · GitHub · v1.4.1.1
Package published
no data · npm/PyPI
Registry entry updated
2026-08-19 · 52d ago · official registry · v1.4.1

FAQ

›How do I install the Kiln MCP server in Claude Code?

Run: claude mcp add kiln3d -e KILN_PRINTER_API_KEY='<kiln-printer-api-key>' -- uvx kiln3d serve. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Kiln require an API key?

Yes. It expects KILN_PRINTER_API_KEY, of which 1 is a secret.

›Can I use Kiln as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Kiln in the official MCP registry?

Yes, as io.github.codeofaxel/kiln.