OrcaSlicer MCP — drive OrcaSlicer from Claude or any MCP client: load models, tune settings, slice, analyze
Drive OrcaSlicer with AI. OrcaSlicer MCP is an MCP server that lets Claude (Desktop or Code — or any MCP client) operate a real, running OrcaSlicer: load models, arrange the plate, tune settings, slice, and analyze the result — live, with every change visible in the GUI.
The slicer stays authoritative and on your machine. The server contains no LLM and makes no cloud calls; it talks only to OrcaSlicer on localhost (or a host you explicitly allow).
1. The OrcaSlicer MCP build of OrcaSlicer — OrcaSlicer 2.3.2 with an embedded local control API (token-authenticated, localhost-only by default). Get it from the releases page; if no binary is up for your platform yet, build the remote-api branch from source. 2. This package (orcaslicer-mcp) — the MCP server that connects your AI client to that build.
Stock OrcaSlicer does not have the control API — the MCP server requires the build above.
Updating: always get new builds from the releases page, never from inside the app. Builds mcp.2 and later disable OrcaSlicer's built-in updater for you (left on, it offers stock OrcaSlicer — which removes the control API). If you're on an older build and a "new version available" prompt appears, click Skip this Version.
You'll need uv installed (it provides the uvx command that runs the server) — one line: curl -LsSf https://astral.sh/uv/install.sh sh on macOS/Linux, or irm https://astral.sh/uv/install.ps1 iex in PowerShell on Windows.
From the project README.
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