Set up a Codex monitor for Vercel deployments and preview URLs. Use when the user invokes /vercel or $vercel, asks Codex to watch or monitor a Vercel deployment, waits for a Vercel preview or PR preview to become ready, or wants to be notified with both the deployment URL and preview URL once Vercel is READY.
Best practices for writing Remotion animations that stay intuitive for agents and editable in Remotion Studio Visual Mode.
Best practices and domain knowledge for building videos programmatically with Remotion (videos in React/TypeScript, rendered to MP4). Use whenever writing or editing Remotion code — scaffolding a video project, animating with interpolate/spring over useCurrentFrame(), sequencing scenes and transitions, captions/subtitles, audio, GIFs/Lottie/3D, charts, visual effects, dynamic duration via calculateMetadata, or rendering. Consult before reaching for a Remotion API, since its components and props evolve (e.g. @remotion/media).
Open a pull request for the current feature
Add a browser WebCodecs bug to the Remotion Mediabunny WebCodecs bugs docs page. Use when given a Chromium, WebKit, or Firefox issue URL that should be tracked in packages/docs/docs/mediabunny/webcodecs-bugs.mdx, especially when needing to look up the issue title, filing date, reporter, and resolution state before editing the MDX table.
Add a new Remotion bug entry to packages/bugs/api/[v].ts. Use when the user describes a bug and affected Remotion versions that should be surfaced through the bugs API.
Checkout a requested branch or ref in the Remotion repo, then install dependencies and build. Use when the user asks to checkout a ref and prepare the workspace.
Run Remotion formatting and style checks until they pass. Use when the user asks to fix formatting or run the formatting command.