OrcaSlicer FAQs

Question 1

What is OrcaSlicer MCP?

Accepted Answer

OrcaSlicer MCP is a Model Context Protocol (MCP) server that enables AI clients, such as Claude Desktop or Claude Code, to directly control a running OrcaSlicer instance. It automates tasks like loading models, configuring print settings, arranging plates, and executing slicing operations.

Question 2

Do I need a special version of OrcaSlicer to use OrcaSlicer MCP?

Accepted Answer

Yes, OrcaSlicer MCP requires a specific 'OrcaSlicer MCP build' of OrcaSlicer (version 2.3.2 or later with the remote-api branch). Stock OrcaSlicer does not include the necessary embedded local control API that the MCP server utilizes.

Question 3

How does OrcaSlicer MCP enhance my 3D printing workflow?

Accepted Answer

It significantly boosts productivity by automating complex tasks. You can use AI to load and transform models, fine-tune print settings, perform automated slicing with real-time feedback, optimize profiles with physics checks, and store persistent knowledge for future sessions.

Question 4

Is OrcaSlicer MCP secure and private?

Accepted Answer

Yes, security and privacy are paramount. OrcaSlicer MCP runs locally on your machine, communicates only with OrcaSlicer via a token-authenticated local API (localhost by default), and makes no cloud calls. It collects no telemetry or analytics, and all your models, settings, and gcode remain on your computer.

Question 5

What AI clients are compatible with OrcaSlicer MCP?

Accepted Answer

OrcaSlicer MCP is designed to integrate with any Model Context Protocol (MCP) client. This includes popular AI assistants like Claude Desktop and Claude Code, allowing you to leverage powerful AI for hands-free OrcaSlicer control.

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