Mcp 3D Printer Server

Name: Mcp 3D Printer Server
Author: DMontgomery40

mcp-3d-printer-server · by DMontgomery40

Connects MCP to major 3D printer APIs (Orca, Bambu, OctoPrint, Klipper, Duet, Repetier, Prusa, Creality). Control prints, monitor status, and perform advanced STL operations like scaling, rotation, sectional editing, and base extension. Includes slicing and visualization.

190 363/wk 16 tools GitHub npm

No known CVEs

GPL-2.0 license

Actively maintained

Last commit 4d ago

Works with most clients

Transport: stdio, sse, http

16 tools · ~946 tok

Grade B · 0.5% of 200K ctx

Edit this pageView history

Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "3dprint": {
      "env": {
        "BAMBU_MODEL": "p1s",
        "BAMBU_TOKEN": "your_access_token",
        "SLICER_PATH": "/Applications/BambuStudio.app/Contents/MacOS/BambuStudio",
        "SLICER_TYPE": "bambustudio",
        "BAMBU_SERIAL": "your_printer_serial",
        "PRINTER_HOST": "your_printer_ip",
        "PRINTER_TYPE": "bambu"
      },
      "args": [
        "-y",
        "mcp-3d-printer-server"
      ],
      "command": "npx"
    }
  }
}

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Read me

What Mcp 3D Printer Server does

Dual Local Transports: Added explicit stdio and streamable-http runtime modes with environment-based transport selection. - Bambu Reliability Pass: Fixed Bambu argument wiring bugs, added FTP-backed file operations, improved status refresh behavior, and implemented practical command paths for startJob, setTemperature, and print_3mf. - Blender Bridge Tooling: Added blender_mcp_edit_model with optional execution mode for model-edit collaboration workflows. - Transport Behavior Tests: Added real

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'mcp-3d-printer-server' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

88/100across 5 weighted dimensions

How we score →

0255075100

−12

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked mcp-3d-printer-server against OSV.dev.

Inventory

Tools (16)

Click any tool to inspect its schema.

~946 tokens total

Inventory

Resources (4)

printerStatus

Real-time printer status information including temperatures and print progress

printer://status

bambuPresetPrinter

Bambu Studio printer preset files

bambu://presets/printer/{name}

bambuPresetFilament

Bambu Studio filament preset files

bambu://presets/filament/{name}

bambuPresetProcess

Bambu Studio process preset files

bambu://presets/process/{name}

Community

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Frequently Asked Questions

Is Mcp 3D Printer Server safe to use?: Mcp 3D Printer Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under GPL-2.0.
How do I install Mcp 3D Printer Server?: Mcp 3D Printer Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Mcp 3D Printer Server do?: Mcp 3D Printer Server provides 16 tools: getStatus, listFiles, uploadFile, startJob, cancelJob and 11 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Mcp 3D Printer Server?: Mcp 3D Printer Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Mcp 3D Printer Server actively maintained?: Mcp 3D Printer Server is actively maintained — last commit was 4 days ago. It has 190 GitHub stars.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

{ "mcpServers": { "3dprint": { "env": { "BAMBU_MODEL": "p1s", "BAMBU_TOKEN": "your_access_token", "SLICER_PATH": "/Applications/BambuStudio.app/Contents/MacOS/BambuStudio", "SLICER_TYPE": "bambustudio", "BAMBU_SERIAL": "your_printer_serial", "PRINTER_HOST": "your_printer_ip", "PRINTER_TYPE": "bambu" }, "args": [ "-y", "mcp-3d-printer-server" ], "command": "npx" } } }

Thank You To FULU And Louis Rossmann

Thank you to the FULU Foundation and Louis Rossmann for standing up for consumer ownership, open source developers, repair rights, and users who should not have working hardware made worse by locked-down software. This MCP server treats the FULU OrcaSlicer-bambulab fork as a first-class Bambu project slicer target.

MCP 3D Printer Server

✨ What's New / Significant Updates (as of last session)

Dual Local Transports: Added explicit stdio and streamable-http runtime modes with environment-based transport selection.
FULU OrcaSlicer-bambulab Support: Added orcaslicer-bambulab / fulu_orca slicer support for Bambu project 3MF export, and made it the default Bambu slicer target when no slicer is configured.
Bambu Reliability Pass: Fixed Bambu argument wiring bugs, added FTP-backed file operations, improved status refresh behavior, and implemented practical command paths for startJob, setTemperature, and print_3mf.
Blender Bridge Tooling: Added blender_mcp_edit_model with optional execution mode for model-edit collaboration workflows.
Transport Behavior Tests: Added real behavior tests for both transports (initialize, tools/list, success + failing tools/call, origin rejection).
Docker Modernization: Updated Docker build flow to work without BuildKit-specific features and verified streamable HTTP initialization in container smoke testing.

🗺️ Roadmap / TODO

Achieve Feature Parity: Bring functionality (status detail, file operations, direct printing where possible, preset handling) for OctoPrint, Klipper, Duet, Repetier, Prusa Connect, and Creality Cloud up to the level of robustness planned for the Bambu implementation.
Implement Full Bambu MQTT Status: Refactor getStatus for Bambu to subscribe to MQTT reports and maintain real-time state.
Implement Robust AMS Mapping: Replace placeholder logic; correctly parse and use AMS mapping from .3mf slicer config or user overrides for the MQTT print command.
Implement .3mf Print Overrides: Add logic to the print_3mf tool to handle user-provided overrides (e.g., calibration flags) and potentially common slicer settings if feasible via MQTT/G-code.
Calculate MD5 Hash: Add logic to calculate and include the MD5 hash of the .3mf file in the MQTT print command (optional but recommended by protocol).
Refactor Bambu File Ops: Investigate replacing bambu-js FTP operations (getFiles, uploadFile) with direct MQTT methods if possible/stable, or contribute F

... View full README on GitHub

Frequently Asked Questions

Is Mcp 3D Printer Server safe to use?

Mcp 3D Printer Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under GPL-2.0.

How do I install Mcp 3D Printer Server?

Mcp 3D Printer Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Mcp 3D Printer Server do?

Mcp 3D Printer Server provides 16 tools: getStatus, listFiles, uploadFile, startJob, cancelJob and 11 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Mcp 3D Printer Server?

Mcp 3D Printer Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Mcp 3D Printer Server actively maintained?

Mcp 3D Printer Server is actively maintained — last commit was 4 days ago. It has 190 GitHub stars.

Thank You To FULU And Louis Rossmann

MCP 3D Printer Server

✨ What's New / Significant Updates (as of last session)

Dual Local Transports: Added explicit stdio and streamable-http runtime modes with environment-based transport selection.
FULU OrcaSlicer-bambulab Support: Added orcaslicer-bambulab / fulu_orca slicer support for Bambu project 3MF export, and made it the default Bambu slicer target when no slicer is configured.
Bambu Reliability Pass: Fixed Bambu argument wiring bugs, added FTP-backed file operations, improved status refresh behavior, and implemented practical command paths for startJob, setTemperature, and print_3mf.
Blender Bridge Tooling: Added blender_mcp_edit_model with optional execution mode for model-edit collaboration workflows.
Transport Behavior Tests: Added real behavior tests for both transports (initialize, tools/list, success + failing tools/call, origin rejection).
Docker Modernization: Updated Docker build flow to work without BuildKit-specific features and verified streamable HTTP initialization in container smoke testing.

🗺️ Roadmap / TODO

Achieve Feature Parity: Bring functionality (status detail, file operations, direct printing where possible, preset handling) for OctoPrint, Klipper, Duet, Repetier, Prusa Connect, and Creality Cloud up to the level of robustness planned for the Bambu implementation.
Implement Full Bambu MQTT Status: Refactor getStatus for Bambu to subscribe to MQTT reports and maintain real-time state.
Implement Robust AMS Mapping: Replace placeholder logic; correctly parse and use AMS mapping from .3mf slicer config or user overrides for the MQTT print command.
Implement .3mf Print Overrides: Add logic to the print_3mf tool to handle user-provided overrides (e.g., calibration flags) and potentially common slicer settings if feasible via MQTT/G-code.
Calculate MD5 Hash: Add logic to calculate and include the MD5 hash of the .3mf file in the MQTT print command (optional but recommended by protocol).
Refactor Bambu File Ops: Investigate replacing bambu-js FTP operations (getFiles, uploadFile) with direct MQTT methods if possible/stable, or contribute F

... View full README on GitHub