open-pencil/open-pencil

AI-native design editor. Open-source Figma alternative.

About the project

OpenPencil is an open-source design editor that opens and edits Figma and Pencil files, supports AI-assisted design changes, and includes a programmable headless Vue toolkit for custom editors. It is for designers and developers creating, inspecting, converting, and exporting interface designs, while the catalogue instructions help coding agents work with its capabilities.

Latest release v0.16.0 · 14 Oct 2026

3 files for GitHub Copilot, Codex, OpenCode and Claude Code: open-pencil agents.instructions.md, open-pencil AGENTS.md, open-pencil — 5,132 tokens loaded in every session.

9,639Stars on the repository
3Files it configures its agents with
5,132Tokens loaded in every session
4Agents configured

Instructions

Settings

These files are open-pencil/open-pencil's own configuration — they tell GitHub Copilot, Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.