Kiln

{
  "mcpServers": {
    "kiln": {
      "command": "uvx",
      "args": [
        "kiln3d"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "your-value"
      }
    }
  }
}

claude mcp add --env KILN_PRINTER_API_KEY=your-value --transport stdio kiln -- uvx kiln3d

{
  "mcpServers": {
    "kiln": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kiln3d"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "your-value"
      }
    }
  }
}

{
  "inputs": [
    {
      "type": "promptString",
      "id": "kiln_printer_api_key",
      "description": "KILN_PRINTER_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "kiln": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kiln3d"
      ],
      "env": {
        "KILN_PRINTER_API_KEY": "${input:kiln_printer_api_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

• design_session
• compile_scad
• generate_model
• search_all_models
• import_step_file
• analyze_printability
• auto_orient_model
• repair_mesh
• split_mesh_to_fit
• recommend_material
• decorate_surface
• slice_model
• show_on_stage
• estimate_print_cost_from_mesh
• preflight_check
• start_print
• monitor_print
• emergency_stop
• purge_filament
• wipe_nozzle
• home_axes
• park_head
• plate_status
• diagnose_print_failure_live
• retry_print_with_fix
• resume_interrupted_print

  (Pro)

• save_design_version
• export_step
• fleet_status

  (Business)

• fulfillment_quote

The open-source MCP server for 3D printing. Kiln lets AI agents (ChatGPT, Claude Desktop, Claude Code, Codex, Cursor, Gemini, Grok, or any custom MCP client) drive real 3D printers end to end — Bambu Lab, Creality, Prusa, Elegoo, Voron, Sovol, AnkerMake, Artillery, FlashForge, QIDI, RatRig, and SparkX. It is compatible with OctoPrint, Moonraker/Klipper, PrusaLink, and Direct USB.

• 3d-printing
• ai-agents
• bambu-lab
• klipper
• mcp
• model-context-protocol
• moonraker
• octoprint
• elegoo
• mcp-server