Sketch updates plugin API for real-time AI-assisted component editing

Design · 3 min read

The new Sketch plugin API includes hooks for streaming model outputs, background task management, and a standardized format for mapping model suggestions to layer edits. Plugin developers can now present partial outputs in-canvas and let users accept incremental changes.

Sketch also introduced permissions for plugins to request access to component libraries and design tokens in a scoped way, which should reduce friction for model-driven automation while preserving file privacy. The company provided example plugins demonstrating live copy rewriting and stateful auto-layout adjustments.

Developers welcomed the update, noting that streaming support matches modern LLM UX patterns and will let advanced audio-to-design or stepwise editing tools feel snappier. Sketch said it will host a plugin showcase highlighting AI-first workflows.