Riffkit — riff a winning TikTok into your own video

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Riffkit is a skill for Claude Code that turns a winning short video (a TikTok link, an uploaded video or an analyzed template) into your own original video. The source is never re-uploaded: the Riffkit backend analyzes the video's formula — the hook, the pacing, the emotional beats — and generates a new video around your product, character and story, in the language you need. There are three modes: adapting the formula, swapping the hero or product inside the source's own shots while keeping its cuts and timing, and creating an original video from a written brief with no source video. It suits UGC ads, app promo videos and short social posts. The agent works through the riffkit command line; you need Node 20+ and a Riffkit account approved through a login link. Generation spends service credits and starts only after you approve the plan and its price. MIT license.