Motion Canvas Agent Plugin

Full programmatic control of a running Motion Canvas editor via HTTP. Seek to any frame, capture screenshots, inspect the scene graph, change resolution/fps/background, and trigger rendering — all without browser automation.

Architecture

Agent (curl/script)  ──HTTP──▶  Vite Server (agent-plugin.ts)  ──HMR WS──▶  Browser (agent-client.ts)
                                      │                                           │
                                      ▼                                           ▼
                                screenshots/                               Player + Renderer
                                (PNG files)                                + ProjectMetadata

Setup

1. Copy plugin files into your project