kimo v3: Open-Source GUI-less Video Editor Where an Agent Cuts a Full 2-Minute Video via MCP
LieTop7965 · reddit · 2026-10-14
The author released kimo v3, an open-source video editor with no GUI where every feature is an MCP tool, shipped as a single small Rust binary. The author says GPT-6.1 Sol on extra high produced an entire 2-minute video — card animation, color and captions — purely through kimo tool calls.
What's new in v3:
- renderframe returns the frame inline as an image, so the model sees its own edits
- contactsheet, describeframe and audioprobe to inspect a timeline or find silence before cutting
- diffframes and projectdiff for before/after comparison
- grouped, compact tools/list (16.5 KB down to 4.5 KB), searchtools and tool profiles so it only loads what it needs
- chunked export jobs you can start, poll, cancel and resume, with crash recovery
- batch calls with foreach, recipes, and text layout helpers (safe margins, constraint solver, lintframe)
- golden render tests with bundled fonts, so output matches frame for frame across machines
- a plain CLI over the same core, plus a Python client
v3.0.0 is up as a pre-release: github.com/naman-sharma12345/kimo and getkimo.tech. The author asks users to report which edit their agent couldn't do.
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