Experimental UI design skills for Claude Code interactive workflows
Run axe-core via Playwright against the project's running dev server, targeting WCAG 2.1 AA. Produces ui-check-results/a11y.json (compact violation JSON). Layer 2 of the design enforcement stack — runtime a11y verification that catches rendered issues static JSX analysis cannot (color contrast on real renders, ARIA in context, dynamic state). Use when user says "/ui-a11y", "check accessibility", "run a11y check", "WCAG audit", or when /ui-check invokes Layer 2.
Generates a DESIGN.md constraint document and a Tailwind v4 @theme semantic token starter for a new project. Use when user says "/ui-brief", "generate design brief", "create DESIGN.md", "set up design tokens", or wants to initialize a project's design system. This is Layer 0 of the design enforcement stack — run once at project setup.
Run the full UI design enforcement pipeline — Layer 0 (DESIGN.md + shadcn presence, warns only) → Layer 1 (/ui-lint, blocks on failures) → Layer 2 (/ui-a11y if a dev server is reachable, skips if not). Writes ui-check-results/summary.json after every run. Use when user says "/ui-check", "run UI checks", "check frontend quality", "run the full UI check pipeline", or wants to verify design enforcement before committing.
Captures a screenshot of a URL via Playwright, evaluates it against a five-criterion visual quality rubric using Claude Vision (two-call UICrit pattern), and writes a scored JSON verdict to ui-check-results/judge.json. Layer 3 of the design enforcement stack — human-triggered advisory scorecard, never a CI gate. Always exits 0. Use when user says "/ui-judge", "judge the UI", "visual quality score", "score the UI", "run the visual judge", "design scorecard", or wants a scored visual quality report of the current UI.
Run ESLint and Stylelint in auto-fix-then-report mode and write results to ui-check-results/lint.json. Use when user says "/ui-lint", "lint the UI", "run UI linting", "check frontend lint", or asks to fix and report frontend code style issues.
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Cortex Command is an AI workflow framework for Claude Code built on a single insight: autonomous execution is only as good as the specification that precedes it.
The front half of the lifecycle is human-driven — discovery maps the problem space, refine clarifies scope, and lifecycle drives features through research, spec, plan, implement, and review. Once scope is genuinely clear, run /cortex-core:lifecycle for interactive development or queue refined items for /overnight and wake up to a morning report with PRs ready to review. For a visual of the full pipeline, see docs/agentic-layer.md.
# 1. Install the cortex CLI (bootstrap installs `uv` first if missing)
curl -fsSL https://raw.githubusercontent.com/charleshall888/cortex-command/main/install.sh | sh
# 2. In Claude Code, add the marketplace and install plugins
claude /plugin marketplace add charleshall888/cortex-command
# Recommended to turn on Auto-Update Marketplace Plugins (this will keep CLI auto updated as well)
claude /plugin install cortex-core@cortex-command # Base skills + hooks
claude /plugin install cortex-overnight@cortex-command # OPTIONAL - autonomous overnight runs
# 3. OPTIONAL - In each project where you want cortex active.
# Validation rules, settings, demo-commands, xetc...
cd <your-project>
cortex init
Full Setup GuideSetup guide.
| Plugin | Description |
|---|---|
| cortex-core | REQUIRED - Interactive Claude Code skills, hooks, and CLI utilities from cortex-command for day-to-day development workflows |
| cortex-overnight | Integrates the cortex MCP server and overnight skill runner hooks to drive autonomous lifecycle execution |
| android-dev-extras | Android development skills vendored from Google's Android Skills (Apache 2.0): R8 analyzer, edge-to-edge migration, and Android CLI orchestration |
| cortex-dev-extras | Optional assortment of additional skills |
| cortex-pr-review | Multi-agent GitHub pull request review pipeline for Claude Code. |
| cortex-ui-extras | EXPERIMENTAL - UI design skills for Claude Code interactive workflows |
| Guide | Covers |
|---|---|
docs/agentic-layer.md | Full skill and hook inventory, workflow diagrams, lifecycle phase map |
docs/setup.md | Installation, plugins, customization |
docs/setup.md#authentication | Authentication setup (API key vs. OAuth token) |
docs/setup.md#upgrade--maintenance | Upgrade & maintenance (CLI reinstall, plugin update, foot-guns) |
docs/overnight.md | Autonomous overnight runner -- planning, execution, deferral, morning review |
docs/dashboard.md | Web dashboard for monitoring overnight sessions |
docs/backlog.md | Backlog YAML schema, readiness gates, overnight eligibility |
docs/interactive-phases.md | What to expect at each lifecycle phase -- questions, artifacts, flow |
docs/skills-reference.md | Per-skill detailed reference |
npx claudepluginhub charleshall888/cortex-command --plugin cortex-ui-extrasMulti-agent GitHub pull request review pipeline for Claude Code
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Interactive Claude Code skills, hooks, and CLI utilities from cortex-command for day-to-day development workflows
Overnight skill runner hooks that integrate with the cortex CLI on PATH and the cortex-core plugin to drive autonomous lifecycle execution
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