The design language that makes your AI harness better at design.
Impeccable is a design-guidance toolkit for AI coding agents that helps them create and refine frontend interfaces. It is intended for developers using AI to build user interfaces, with commands, browser iteration, and rule-based design checks.
Latest release cli-v4.6.0 — CLI 4.6.0 · 15 Oct 2026
3 files for Claude Code, Codex and OpenCode: impeccable, impeccable AGENTS.md, impeccable CLAUDE.md — 18,073 tokens loaded in every session.
▶ Impeccable Just Fixed Claude Code's Biggest Problem Chase AI · about pbakaus/impeccable · on YouTube → AGENTS.md A 4,260 tok CLAUDE.md A 13,813 tok .claude/settings.json A — These files are pbakaus/impeccable's own configuration — they tell Claude Code, Codex and OpenCode 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.