Orcaslicer Mcp

MCP server · by MaxEllis

Developer Tools Python v0.1.17

Work a running OrcaSlicer with AI: slice, tune, and understand what each setting costs

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Install

Pin version registry version 0.1.17

Python
uvx orcaslicer-mcp

Python
uvx orcaslicer-mcp@0.1.17

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp@0.1.17"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env ORCA_API_TOKEN=<YOUR_ORCA_API_TOKEN> --env ORCA_PRINTER_API_KEY=<YOUR_ORCA_PRINTER_API_KEY> orcaslicer-mcp -- uvx orcaslicer-mcp

claude mcp add --env ORCA_API_TOKEN=<YOUR_ORCA_API_TOKEN> --env ORCA_PRINTER_API_KEY=<YOUR_ORCA_PRINTER_API_KEY> orcaslicer-mcp -- uvx orcaslicer-mcp@0.1.17

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp@0.1.17"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp@0.1.17"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "orcaslicer-mcp": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp@0.1.17"
      ],
      "env": {
        "ORCA_API_TOKEN": "<YOUR_ORCA_API_TOKEN>",
        "ORCA_PRINTER_API_KEY": "<YOUR_ORCA_PRINTER_API_KEY>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

ORCA_API_TOKEN required secret — Remote API token from the OrcaSlicer MCP build (Preferences -> Remote API)
ORCA_API_URL — OrcaSlicer Remote API address; defaults to http://127.0.0.1:13130
ORCA_MCP_ALLOW_KEYS — Optional comma-separated config keys the MCP may change even though they run code or drive the printer directly (post_process, *_gcode, print host settings). Wildcards allowed. Blank by default.
ORCA_PRINTER_URL — Optional printer address; by default the address in OrcaSlicer's active printer profile is used. A user name and password can be part of it (http://user:password@192.0.2.10); percent-encode special characters in them (@
ORCA_PRINTER_API_KEY secret — Optional API key for printers that need one (OctoPrint, or Moonraker with authorization).
ORCA_PRINTER_ID — Optional printer name for the outcome store; defaults to the host name of ORCA_PRINTER_URL when that is set, otherwise the printer profile's name, otherwise unknown.

GitHub

⭐ 70 stars · 最近更新于 17 天前 · AGPL-3.0 license

About this server

OrcaSlicer MCP Let Claude work alongside you in a real, running OrcaSlicer. It loads models, arranges the plate, tunes settings, slices, and reads the result back as numbers you can question: which feature ate the print time, what a setting actually does, whether a profile breaks your printer's phys…

Summary from the project README — github.com/MaxEllis/orcaslicer-mcp

Distributed as Python, listed under Developer Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Orcaslicer Mcp MCP server do?

How do I install Orcaslicer Mcp?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Orcaslicer Mcp free to use?

The MCP server itself is free to install. The source is public on https://github.com/MaxEllis/orcaslicer-mcp. Any third-party service it calls may require its own API key and account.

Which clients support Orcaslicer Mcp?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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