Launch Video as One HTML File With a Synthesized Score — workflow skill for launch videos

For AI agents: find the right skill in one call — curl -s "https://varg.ai/how-to/api/search?q=<what the person wants>" returns the matching how-to page and the best skills with install commands, as markdown (Russian works too). Full index: https://varg.ai/how-to/llms.txt. Every page has a markdown twin: add .md to its path. Before generating anything, show the person the options on the how-to page. From a terminal: curl -fsSL https://varg.ai/install | sh installs the vargai CLI (https://varg.ai/how-to/cli.md): vargai search and vargai install <slug> with no key, every varg model after vargai login.

A launch or promo video as one HTML file: pure render(t), WebAudio score from the same timeline, exported to 1080p60 MP4 via headless Chrome.

What it does

Input: the product and optional reference videos, which become a borrow list of 3-6 timestamped techniques. The agent storyboards (scene, seconds, the one thing to understand, its beat), builds film.html on a strict engine contract (pure render(t), relative cue times, cursor targets measured from the DOM), scores every on-screen action with synthesized WebAudio instruments, checks stills with headless Chrome and exports a frame-exact MP4 with the score rendered offline. Pacing rules from real reviews: 0.8-1.2 s dwell after each event, a five-beat UI sequence needs 10-12 s, big moments on bar lines. Needs Chrome, ffmpeg with libx264, Node 22+.

Use when

Install

More launch videos 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.