Remotion Video Generator

# chuk-motion/src/chuk_motion/components/layouts/StackedReaction/tool.py """StackedReaction 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 StackedReaction tool with the MCP server.""" @mcp.tool async def remotion_add_stacked_reaction( original_content: str | None = None, reaction_content: str | None = None, layout: str = "vertical", reaction_size: float = 40, gap: float = 20, padding: float = 40, duration: float | str = 5.0, track: str = "main", gap_before: float | str | None = None, ) -> str: """ Add StackedReaction layout to the composition. Reaction video style with stacked feeds Args: original_content: JSON component for original video. Format: {"type": "ComponentName", "config": {...}} reaction_content: JSON component for reaction video. Same format as original_content layout: Layout style (vertical, horizontal, pip) reaction_size: Reaction panel size (percentage) gap: Gap between panels 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: original_parsed = json.loads(original_content) if original_content else None reaction_parsed = json.loads(reaction_content) if reaction_content 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 original_component = parse_nested_component(original_parsed) reaction_component = parse_nested_component(reaction_parsed) component = ComponentInstance( component_type="StackedReaction", start_frame=0, duration_frames=0, props={ "original_content": original_component, "reaction_content": reaction_component, "layout": layout, "reaction_size": reaction_size, "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="StackedReaction", layout=layout, 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)