Start Remotion Studio and open a browser preview while creating or editing a video. Keep the preview visible during work so users can review changes and guide adjustments as the composition takes shape.
Preview a Remotion video
Review the instructions the agent will receive before you install.
When creating or editing a video, start Studio and open its preview as soon as the project can run, before building the composition. Keep it open while you work so the user can see changes and steer.
In Cursor, run Studio without --no-open so the browser opens automatically:
npx remotion studio
In other agent clients, you can also let Studio open the browser automatically with the command above. If you have an in-app browser and intend to use it, run:
npx remotion studio --no-open
If the Studio is already opened, the URL will be printed and the command will exit. Otherwise, a long-running process will start, and the URL will be printed.
When using --no-open, open the exact printed URL in the in-app browser and verify that Studio loads. Once a composition exists, verify that its video preview loads. Do not use --no-open if you cannot open the URL in the in-app browser.
| Argument | Purpose |
|---|---|
--log=<level> | Set error, warn, info (default), or verbose logging. |
--port=<number> | Request a Studio server port; otherwise Remotion finds a free port. |
--force-new | Start another Studio instance even when one is already running for the same project and port. |
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Add a reported Remotion bug to the bugs API with its affected versions, a short title, and upgrade guidance. Follow the existing entry format and place the new record first so recent bugs appear at the top.
Add a Remotion command-line or configuration option, or convert a hardcoded flag into a shared option definition. Connect parsing, configuration setters, help entries, and generated documentation so the option is consistently available and documented.
Add a new effect to @remotion/effects, including its implementation, package entry points, documentation, interactive demo, and preview images. Follow the package conventions and verify the changes with tests, formatting checks, and builds.
Add a person to the Remotion experts page by placing their portrait, entering their profile and contact links, and generating an expert card image. The instructions specify file locations, profile fields, and how to verify card generation.
Create a new @remotion package within the Remotion monorepo, a repository containing multiple packages. Set up its files, register it across the project, and prepare documentation, usage examples, and build configuration.
Add a new sound effect to @remotion/sfx, from registering the audio file to exporting its URL and documenting its use. The workflow covers playback examples, attribution, navigation entries, waveform generation, and the package build.