eval_ruby
Evaluate Ruby code directly within Sketchup using the MCP server, enabling prompt-assisted 3D modeling and scene manipulation through script execution.
Instructions
Evaluate arbitrary Ruby code in Sketchup
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| code | Yes |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Implementation Reference
- src/sketchup_mcp/server.py:538-575 (handler)The handler function for the 'eval_ruby' tool. It proxies the Ruby code to the SketchUp extension via a JSON-RPC socket connection and returns the formatted result.
@mcp.tool() def eval_ruby( ctx: Context, code: str ) -> str: """Evaluate arbitrary Ruby code in Sketchup""" try: logger.info(f"eval_ruby called with code length: {len(code)}") sketchup = get_sketchup_connection() result = sketchup.send_command( method="tools/call", params={ "name": "eval_ruby", "arguments": { "code": code } }, request_id=ctx.request_id ) logger.info(f"eval_ruby result: {result}") # Format the response to include the result response = { "success": True, "result": result.get("content", [{"text": "Success"}])[0].get("text", "Success") if isinstance(result.get("content"), list) and len(result.get("content", [])) > 0 else "Success" } return json.dumps(response) except Exception as e: logger.error(f"Error in eval_ruby: {str(e)}") return json.dumps({ "success": False, "error": str(e) })