Orcaslicer MCP Server

by maxellisio.github.MaxEllis/orcaslicer-mcpv0.1.14

Drive a running OrcaSlicer 3D-printing slicer: load models, tune settings, slice, compare variants and render the plate, with an offline settings reference.

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Install Orcaslicer MCP server

claude mcp add orcaslicer -e ORCA_API_TOKEN='<orca-api-token>' -- uvx orcaslicer-mcp

{
  "mcpServers": {
    "orcaslicer": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<orca-api-token>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "orcaslicer": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<orca-api-token>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "orcaslicer": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<orca-api-token>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "orcaslicer": {
      "command": "uvx",
      "args": [
        "orcaslicer-mcp"
      ],
      "env": {
        "ORCA_API_TOKEN": "<orca-api-token>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
ORCA_API_TOKEN	yes	yes	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.

Freshness

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Last commit (default branch)
2026-10-09 · today · GitHub
Latest release
2026-10-09 · today · GitHub · v0.1.16
Package published
no data · npm/PyPI
Registry entry updated
2026-10-01 · 8d ago · official registry · v0.1.14

FAQ

›How do I install the Orcaslicer MCP server in Claude Code?

Run: claude mcp add orcaslicer -e ORCA_API_TOKEN='<orca-api-token>' -- uvx orcaslicer-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Orcaslicer require an API key?

Yes. It expects ORCA_API_TOKEN, of which 1 is a secret.

›Can I use Orcaslicer as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Orcaslicer in the official MCP registry?

Yes, as io.github.MaxEllis/orcaslicer-mcp.