AI Engineer YouTube · April 30, 2026

Replacing 12K LoC with a 200 LoC Skill — David Gomes, Cursor

Replacing 12K LoC with a 200 LoC Skill — David Gomes, Cursor video thumbnail
Why it matters

David Gomes shows how Cursor replaced a heavyweight WorkTrees feature with a lightweight layer built from skills, commands, and subagents. He walks through how parallel coding workflows were recreated with roughly 200 lines of Markdown, plus the tradeoffs, failure modes, and lessons that come with moving product behavi

My takeaway: David Gomes shows how Cursor replaced a heavyweight WorkTrees feature with a lightweight layer built from skills, commands, and subagents. He walks through how parallel coding workflows were recreated with roughly 200 lines of Markdown, plus the tradeoffs, failure modes, and lessons that come with moving product behavi