codeofaxel/Kiln

Overview

Kiln is an open-source MCP server for 3D printing. It enables AI agents like Claude, Codex, or Cursor to design, generate, slice, and print models on supported printers. The tool connects to Bambu Lab, Prusa, Creality, Klipper, Moonraker, OctoPrint, Elegoo, and Marlin-based printers.

Best for

Best for
Developers building AI agent workflows for 3D printing automation

Use cases

• Generate 3D printable models from natural language descriptions
• Slice and send models to a printer from within an AI chat interface
• Automate repetitive print jobs through agent-driven workflows

How to use

Install

pip install kiln3d

Tested with

Claude Desktop, Claude Code, Cursor, Codex, ChatGPT

Example client config

{\n  "mcpServers": {\n    "kiln": {\n      "command": "python3",\n      "args": ["-m", "kiln", "serve"]\n    }\n  }\n}

Notes

Kiln is an open-source MCP server for 3D printing. It enables AI agents like Claude, Codex, or Cursor to design, generate, slice, and print models on supported printers. The tool connects to Bambu Lab, Prusa, Creality, Klipper, Moonraker, OctoPrint, Elegoo, and Marlin-based printers.

35 stars on GitHub. Last updated 2026-07-13. Licensed AGPL-3.0.

Use cases

• Generate 3D printable models from natural language descriptions
• Slice and send models to a printer from within an AI chat interface
• Automate repetitive print jobs through agent-driven workflows

Pros

• Supports a wide range of popular 3D printer brands and firmware
• Integrates with multiple MCP client tools for flexible use
• Open-source with a permissive license for customization

Cons

• Small user base (35 GitHub stars) limits community support
• Requires manual setup of the MCP server and printer connections
• May lack polish for non-technical users

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.