OrcaSlicer MCP 2.3.2-mcp.2
OrcaSlicer MCP is OrcaSlicer 2.3.2 with a built-in local control API, so AI assistants (Claude Desktop, Claude Code, or any MCP client) can drive the slicer through the orcaslicer-mcp server — load models, tune settings, slice, and analyze results, live in the GUI.
Get started: install this build, then follow the quickstart.
What's new in mcp.2
- The in-app "new version available" prompt is disabled. Because this build is based on OrcaSlicer 2.3.2, upstream's updater used to offer to "upgrade" you to stock OrcaSlicer — which removes the control API. That update check is now turned off entirely, so the fork can't accidentally replace itself. (New MCP-enabled builds still come from this releases page.)
Downloads
| Platform | File |
|---|---|
| Windows installer | OrcaSlicer-MCP-2.3.2-mcp.2-win64-installer.exe |
| Windows portable | OrcaSlicer-MCP-2.3.2-mcp.2-win64-portable.zip |
| macOS (Apple Silicon + Intel) | OrcaSlicer-MCP-2.3.2-mcp.2-macos-universal.dmg |
| Linux AppImage (x86_64) | OrcaSlicer-MCP-2.3.2-mcp.2-linux-x64.AppImage |
| Linux Flatpak | OrcaSlicer-MCP-2.3.2-mcp.2-linux-{x86_64,aarch64}.flatpak |
SHA256SUMS.txt covers all assets.
Install notes (unsigned builds)
Ad-hoc signed but not notarized/certificate-signed:
- macOS: the app runs on Apple Silicon and Intel, but Gatekeeper blocks the first launch. To open it, either try to open it once (it'll be blocked) then go to System Settings → Privacy & Security → Open Anyway and confirm; or run
xattr -dr com.apple.quarantine /Applications/OrcaSlicer.app. (The old right-click → Open shortcut no longer works on macOS 15+.) - Windows: SmartScreen may warn — click More info → Run anyway.
Security defaults
The control API is off until you enable it, listens on 127.0.0.1 only by default (LAN access is a separate explicit toggle), and every request requires the API token OrcaSlicer generates for you.
What's changed vs stock OrcaSlicer 2.3.2
The Remote API layer (HTTP + WebSocket on port 13130) and its Preferences page, plus the disabled updater — no slicing-engine changes. Full diff: main...remote-api.