Create Typecast Shorts

Create one 1080×1920 MP4 from a local video or image, Typecast narration, and timestamp-aligned subtitles.

Boundaries

Accept only an attached file or local file the user owns or is authorized to use.
If rights are unclear, ask the user to confirm them before processing.
Do not search for, download, scrape, or reuse third-party video, news, or social media.
Do not remove logos, watermarks, attribution, or embedded subtitles to conceal a source.
Do not upload or publish the result. Return local artifacts for user review.
Do not print, log, or place a Typecast API key in chat, commands, scripts, or output files.
Support one background video or image per run. Ask the user to choose one when several are provided.

Collect: