Skill for building static sites with the Astro web framework. Helps create Astro components and pages, set up content collections, optimize images, configure SEO, and deploy static builds. Use when the user needs to work with Astro, mentions .astro files, asks about static site generation (SSG), islands architecture…
Write, review, or improve UIKit code following best practices for view controller lifecycle, Auto Layout, collection views, navigation, animation, memory management, and modern iOS 18–26 APIs. Use when building new UIKit features, refactoring existing views or view controllers, reviewing code quality, adopting modern…
Write Markdown files that pass markdownlint with zero warnings. Use when creating or editing .md, .mdc, or .mdx files, writing documentation, updating README files, or creating Cursor rules and skills.
A writing rule for concise answers: lead with the conclusion, use one or two sentences, and avoid plans, tool commentary, repeated background, and unnecessary sections.
The Design-vs-Implementation Audit Copilot. A universal skill for any project, any language, any design document. Before work starts, it reminds engineers what must be delivered; after code lands, it checks what was actually delivered, what drifted, and what silently went beyond the design. Feed it a design doc plus a…
Use when building, generating, or reviewing UI for a website, web app, or mobile app to make it look intentionally designed rather than AI-generated. Removes the common AI/template "tells" (default fonts like Inter/Geist, indigo and purple-blue gradients, cream backgrounds, grey low-contrast text, pill/eyebrow over…
Use when you need to review, improve, or troubleshoot a Maven pom.xml file — including dependency management with BOMs, plugin configuration, version centralization, multi-module project structure, build profiles, or any situation where you want to align your Maven setup with industry best practices. Part of the…
Analyze a Tailwind CSS v3 project and generate a complete migration plan to v4. Scans config, CSS, and template files for v3 patterns and produces a prioritized checklist with exact find-and-replace commands.
Systematic reproduce-isolate-fix-verify loop for bugs, test failures, and unexpected behavior. Use when something is broken and the cause is not yet known.
Strip the tells that mark prose as AI-generated. Use when writing or editing anything a person will read: posts, articles, documentation, emails, marketing copy.
Native Lean quality bar: no code → reuse → stdlib → platform → installed dep → one line → minimum. Split recovery, neighbor match, types, trust floors. Use when writing app code or when thin ponytail.mdc points here.
Documentation architecture discipline for AI agents. Use when creating, updating, auditing, or organizing software project documentation so docs stay clear, non-duplicated, source-of-truth driven, and token-efficient.
Workflow for implementing a new Android feature, screen, fragment, activity, dialog, adapter, or enhancement in this XML/MVVM template. Use whenever the user asks to add, build, implement, or extend functionality — before writing any code. Covers planning, the MVVM/MVI skeleton, the Android configuration checklist…
Security review checklist: auth, secrets, API boundaries, data handling, and infra. Use with security-reviewer subagent after architect (design) and after QA pass (implementation).
Run boundary and structure validators against a Hydrogen storefront project. Reports cross-module imports, reverse imports from shared layers, dumping-ground folders, barrel files, forbidden Remix imports, and missing/duplicated route manifests.
Coordinates a subagent workflow where a worker implements a development task, a code reviewer audits the result for critical errors, flaws, and optimization opportunities, and then the worker iterates to apply the reviewer’s optimization suggestions. Use when the user requests implementation or other development work…
Use when the user wants to design, redesign, build, critique, audit, polish, theme, animate, adapt, or otherwise improve a Flutter app's UI or UX. Covers full apps, screens, widgets, components, forms, onboarding, empty states, navigation, dashboards, and settings. Handles Material 3 theming, Cupertino/iOS adaptation…
Locks in opinionated frontend code patterns for Next.js 16 + TanStack Query v5 + FSD projects. ALWAYS invoke when writing data-fetching code (NEVER useEffect+fetch — always TanStack Query), creating forms (always react-hook-form + zod), introducing client state (Zustand for client-global only — NEVER for server data…
A lightweight engineering workflow for turning an idea into a real, shippable product with an AI coding agent. Core = Karpathy's four coding disciplines (think before coding / simplicity first / surgical changes / goal-driven; battle-tested), plus an Explore→Plan→Build→Polish→Ship process, task tiers (skip the process…
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At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: