Remotion Video Generator

# chuk-motion/src/chuk_motion/components/layouts/ThreeRowLayout/tool.py """ThreeRowLayout MCP tool.""" import asyncio import json from chuk_motion.components.component_helpers import parse_nested_component from chuk_motion.generator.composition_builder import ComponentInstance from chuk_motion.models import ErrorResponse, LayoutComponentResponse def register_tool(mcp, project_manager): """Register the ThreeRowLayout tool with the MCP server.""" @mcp.tool async def remotion_add_three_row_layout( top: str | None = None, middle: str | None = None, bottom: str | None = None, top_height: float = 25, middle_height: float = 50, bottom_height: float = 25, gap: float = 20, padding: float = 40, duration: float | str = 5.0, track: str = "main", gap_before: float | str | None = None, ) -> str: """ Add ThreeRowLayout to the composition. Header + Main + Footer arrangements with configurable heights. Args: top: JSON component for top row. Format: {"type": "ComponentName", "config": {...}} Example with video: { "type": "VideoContent", "config": { "src": "https://example.com/video.mp4", "muted": true, "fit": "cover" } } middle: JSON component for middle row. Same format as top bottom: JSON component for bottom row. Same format as top top_height: Top row height (percentage) middle_height: Middle row height (percentage) bottom_height: Bottom row height (percentage) gap: Gap between rows padding: Padding from edges duration: Duration in seconds track: Track name (default: "main") gap_before: Gap before component in seconds Returns: JSON with component info """ def _add(): if not project_manager.current_timeline: return ErrorResponse( error="No active project. Create a project first." ).model_dump_json() try: top_parsed = json.loads(top) if top else None middle_parsed = json.loads(middle) if middle else None bottom_parsed = json.loads(bottom) if bottom else None except json.JSONDecodeError as e: return ErrorResponse(error=f"Invalid component JSON: {str(e)}").model_dump_json() try: # Convert nested components to ComponentInstance objects top_component = parse_nested_component(top_parsed) middle_component = parse_nested_component(middle_parsed) bottom_component = parse_nested_component(bottom_parsed) component = ComponentInstance( component_type="ThreeRowLayout", start_frame=0, duration_frames=0, props={ "top": top_component, "middle": middle_component, "bottom": bottom_component, "top_height": top_height, "middle_height": middle_height, "bottom_height": bottom_height, "gap": gap, "padding": padding, }, layer=0, ) component = project_manager.current_timeline.add_component( component, duration=duration, track=track, gap_before=gap_before ) return LayoutComponentResponse( component="ThreeRowLayout", layout=f"{top_height}:{middle_height}:{bottom_height}", start_time=project_manager.current_timeline.frames_to_seconds( component.start_frame ), duration=duration, ).model_dump_json() except Exception as e: return ErrorResponse(error=str(e)).model_dump_json() return await asyncio.get_event_loop().run_in_executor(None, _add)