The design language that makes your AI harness better at design.
Browse cluster: Terminal & CLI Output Styling →Impeccable is a design language and AI skill system that helps users improve design work across multiple platforms and modes. Built with JavaScript (ESM) and Bun as its runtime, the project provides 23 commands accessed through a single `/impeccable` skill entry point—including commands like `audit`, `polish`, and `critique`—rather than separate standalone skills. The codebase is organized around source files in `skill/` (including command references and shared playbooks), build scripts that generate provider-specific outputs for multiple AI platforms (Claude, Cursor, Agents, Gemini, and others), and tooling for browser extension, CLI, and web deployment. The project includes an anti-pattern detection engine used across the CLI, browser extension, and website, along with comprehensive test coverage via Bun and Node's test runners, including live E2E tests against framework fixtures and LLM-backed behavior validation.