Kimo: a 15MB CPU-only MCP video editor with no GUI, built for AI agents

LieTop7965 · reddit · 2026-11-05

A developer released kimo, a free open-source (MIT) GUI-less video editor designed for AI agents as the only users. Every operation—cut, trim, keyframe, titles/captions, color grading, tracking, particles, audio, export—is an MCP tool call usable from Codex, Cursor, opencode or any MCP client.

Highlights: a 15MB CPU-only Rust binary that runs on a 2GB box, and a practical trick where the agent renders a single frame to self-check before committing the full timeline, saving wasted encodes. Pain points documented: MCP clients serialize differently (float timecode edge cases), hallucinated timestamps confuse the captioning pipeline, and tracking/particles remain basic. The author asks testers to note their MCP client and version.

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