Agent Video Style Kit — effect skill for captions & subtitles

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Cut30's title and caption style kit for 9:16 and 16:9: JSON your agent reads plus an HTML preview. Runnable in varg's code2video templates.

What it does

Cut30's Agent Video Style Kit (https://cut30.co/guides/agent-video-style-kit) stores your title and caption style in one JSON file your editing agent reads, with separate specs for 9:16 (1080x1920) and 16:9 (1920x1080): TikTok Sans, a white rounded title bar, white captions with a dark outline at 2-3 words per chunk, exact positions, an alternative caption spot above the head, line limits and suggested safe zones. It comes with an HTML preview page, a schema, a validator (kit.py) and agent instructions: say "use my video style guide" and the agent applies it. Free from Cut30, no account. varg's code2video templates repo ships the kit unmodified with a renderer (render.ts) that burns its title and timed captions onto footage from words.json or an SRT and flags text that wraps too far or enters a safe zone; local, no credits.

Use when

Not for

Install

Example output

https://s3.varg.ai/files/194b94d0-58ff-4e8b-91de-4f1959d04013/file_8eb82edbc04b.mp4 — Rendered with the template itself: bun render.ts --title "Your title, your captions" --text "…" --duration 7, the 9:16 and 16:9 examples side by side on the kit's schematic scene. (credit: Cut30 kit, rendered by varg, https://cut30.co/guides/agent-video-style-kit)

More captions & subtitles skills

Run the generation on varg

varg is one API key for the models these skills drive — Seedance 2.5, Kling 4, Veo 3.1, Wan 3, Nano Banana 2.1, GPT Image 2.5, ElevenLabs v4 and 200+ more — billed in credits, with a cost estimate before anything runs.