Fusion 360 MCP

""" MCP Dialog UI for Fusion 360 """ import adsk.core import adsk.fusion import json import threading import traceback class MCPDialog: """Dialog for MCP interaction""" def __init__(self, app, ui, mcp_client, action_executor): self.app = app self.ui = ui self.mcp_client = mcp_client self.action_executor = action_executor self.palette = None # Model selection self.selected_provider = "openai" self.selected_model = "gpt-4o-mini" def show(self): """Show the MCP dialog""" try: # Create palette self.palette = self.ui.palettes.itemById('MCPPalette') if not self.palette: self.palette = self.ui.palettes.add( 'MCPPalette', 'MCP Assistant', 'MCPPalette.html', True, True, True, 800, 600 ) # Show palette self.palette.isVisible = True except: self.ui.messageBox('Failed to show dialog:\n{}'.format(traceback.format_exc())) def close(self): """Close the dialog""" if self.palette: self.palette.isVisible = False def process_prompt(self, prompt: str): """ Process user prompt through MCP Args: prompt: User input prompt """ def worker(): try: # Get design context context = self._get_design_context() # Build MCP command command = { "command": "ask_model", "params": { "provider": self.selected_provider, "model": self.selected_model, "prompt": prompt, "temperature": 0.7 }, "context": context } # Send to MCP server response = self.mcp_client.send_command(command) # Execute actions if response.get("status") == "success": actions = response.get("actions_to_execute", []) for action in actions: success = self.action_executor.execute(action) if not success: self._log(f"Failed to execute action: {action.get('action')}") else: self._log(f"✓ Executed: {action.get('explanation', action.get('action'))}") else: self._log(f"Error: {response.get('message')}") except Exception as e: self._log(f"Error processing prompt: {str(e)}") # Run in separate thread to avoid blocking UI thread = threading.Thread(target=worker) thread.daemon = True thread.start() def _get_design_context(self) -> dict: """Get current design context from Fusion""" try: design = adsk.fusion.Design.cast(self.app.activeProduct) if not design: return { "active_component": "None", "units": "mm", "design_state": "no_design" } # Get active component component = design.activeComponent component_name = component.name if component else "RootComponent" # Get units units_manager = design.unitsManager default_unit = units_manager.defaultLengthUnits # Count geometry body_count = component.bRepBodies.count if component else 0 sketch_count = component.sketches.count if component else 0 return { "active_component": component_name, "units": default_unit, "design_state": "has_geometry" if body_count > 0 else "empty", "geometry_count": { "bodies": body_count, "sketches": sketch_count } } except: return { "active_component": "Unknown", "units": "mm", "design_state": "error" } def _log(self, message: str): """Log message to Fusion console and UI""" # Log to Fusion console self.ui.messageBox(message)