skills for everythingAgent Skill
2/7/2026rust-systems
Rust systems programming patterns and style guide for building reliable systems software. This skill should be used when writing Rust code, especially for systems programming, CLI tools, or performance-critical applications. Covers project organization with Cargo workspaces, module structure, naming conventions (RFC 430), type/trait patterns (Option, builders, associated types), and error handling with thiserror/anyhow.
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SKILL.md
| Name | rust-systems |
| Description | Rust systems programming patterns and style guide for building reliable systems software. This skill should be used when writing Rust code, especially for systems programming, CLI tools, or performance-critical applications. Covers project organization with Cargo workspaces, module structure, naming conventions (RFC 430), type/trait patterns (Option, builders, associated types), and error handling with thiserror/anyhow. |
Agent Skills Collection
A collection of AI agent skills following the Agent Skills open format. These skills extend AI coding agents with specialized capabilities and domain knowledge.
Available Skills
<!-- SKILLS-TABLE:START -->Curated Skills
| Skill | Description |
|---|---|
| debug | Comprehensive debugging methodology for finding and fixing bugs |
| expo-ui | Library reference for @expo/ui SwiftUI components on iOS — covers Host boundaries, modifier.. |
| expo | Expo React Native performance optimization guidelines |
| feature-arch | React feature-based architecture guidelines for scalable applications |
| ios-taste | Designs iOS 18+ SwiftUI experiences with real taste — starting from user goals, not pixels |
| msw | MSW (Mock Service Worker) best practices for API mocking in tests |
| mui-base | MUI Base UI style guidelines for building headless React component libraries |
| nextjs | Next.js 16 App Router performance, caching, server components, server actions, routing, and.. |
| nuqs-codemod-runner | Use this skill whenever a codebase has nuqs code that may be stuck on pre-v2.5 patterns —.. |
| nuqs-scaffolder | Use this skill whenever you need to add URL-state filters to a Next.js page, build a typed.. |
| nuqs | nuqs (type-safe URL query state) best practices for Next.js and other React frameworks |
| playwright | Playwright testing best practices for Next.js applications |
| python | Python 3.11+ performance optimization guidelines |
| rails-dev | Ruby on Rails performance and maintainability optimization guidelines for building backend APIs.. |
| rails-testing | Ruby on Rails testing best practices for writing effective, maintainable test suites with RSpec |
| react-19-component-scaffolder | Use this skill whenever scaffolding new React 19 / React 19.2 code in TypeScript — components,.. |
| react-hook-form-audit | Use this skill to audit a Next.js (App Router, 14/15+) codebase for React Hook Form.. |
| react-hook-form | React Hook Form performance optimization for client-side form validation using useForm,.. |
| react | React 19/19.2 modern patterns for concurrent rendering, Server Components, actions, ref-as-prop,.. |
| refactor | Code refactoring best practices based on Martin Fowler's catalog and Clean Code principles |
| restful-hateoas | RESTful API design guidelines following the Richardson Maturity Model through to Level 3.. |
| ruby-optimise | Ruby performance optimization guidelines |
| ruby-refactor | Ruby refactoring guidelines from community best practices |
| rust-implement | "Write production-grade Rust code using a multi-pass approach |
| rust-refactor | Decision frameworks for Rust refactoring, simplification, module decomposition, and incremental.. |
| rust-write-tests | Skill for writing expert-level Rust tests |
| shadcn | shadcn/ui component library best practices and patterns |
| skill-authoring | Design and development best practices for Claude Code skills, MCP tools, and AI agent capabilities |
| tailwind | Tailwind CSS v4 performance optimization and best practices guidelines |
| tanstack-query | TanStack Query v5 performance optimization for data fetching, caching, mutations, and query patterns |
| tdd | Test-Driven Development methodology and red-green-refactor workflow |
| terminal-ui | Terminal User Interface (TUI) performance and UX guidelines for TypeScript applications using.. |
| think | Deep strategic thinking mode that finds the single highest-leverage, most innovative action by.. |
| typescript | This skill should be used when the user asks to "optimize TypeScript performance", "speed up tsc.. |
| ui-design | UI/UX and frontend design best practices guidelines |
| vitest | Vitest testing framework patterns for test setup, async testing, mocking with vi.*, snapshots,.. |
| web-taste | Designs React 19 + Next.js 16 + Tailwind CSS experiences with real taste — starting from user.. |
| zod | Zod schema validation best practices for type safety, parsing, and error handling |
Experimental Skills
| Skill | Description |
|---|---|
| 12-factor-app | The Twelve-Factor App methodology for building scalable, maintainable cloud-native applications |
| 37signals-rails | 37signals Rails coding principles and conventions from DHH, Jorge Manrubia, and the.. |
| acceptance-pipeline-catalog | Use when implementing, reviewing, or debugging a Gherkin acceptance-test pipeline with mutation.. |
| acceptance-pipeline-feature-design | Use this skill when designing new features, extensions, or modifications to Uncle Bob's.. |
| algorithmic-complexity-review | Use this skill whenever writing, reviewing, or refactoring code where algorithmic complexity.. |
| app-planner | Produces a design-plan (living document like an exec-plan) that maps an app domain to feature.. |
| ast-grep | ast-grep rule writing and usage best practices |
| audio-voice-recovery | Audio forensics and voice recovery guidelines for CSI-level audio analysis |
| base-ui-migrator | Use this skill whenever the user wants to migrate React UI code to Base UI (@base-ui/react) —.. |
| better-auth-scaffold | Use this skill whenever scaffolding a Better Auth setup in a Next.js (App Router) + Drizzle.. |
| better-auth | Use this skill whenever writing, reviewing, or migrating Better Auth code in TypeScript —.. |
| bug-review | Use this skill when a user asks to review a pull request for bugs, wants AI code review focused.. |
| build-mcp-server | This skill should be used when the user asks to "build an MCP server", "create an MCP", "make an.. |
| chat-apps-ui-sdk | Use this skill whenever building, reviewing, or designing apps that render interactive UI.. |
| chrome-extension-ui | Chrome Extensions UX/UI design and implementation guidelines for popups, side panels, content.. |
| chrome-extension | Chrome Extensions (Manifest V3) performance and code quality guidelines |
| clean-architecture | Clean Architecture principles and best practices from Robert C |
| clean-code-ts-react | Use when writing, reviewing, or refactoring TypeScript or React code for craftsmanship — naming,.. |
| clean-code | Use when writing, reviewing, or refactoring code for maintainability and readability |
| cli-for-agents | Use this skill whenever designing, building, or reviewing a command-line tool that AI agents or.. |
| cli-review-runner | Use this skill whenever reviewing, auditing, or grading a command-line tool for.. |
| code-map-visualization | Use this skill whenever rendering, styling, or making interactive a visualisation of a codebase.. |
| code-simplifier | Code simplification skill for improving clarity, consistency, and maintainability while.. |
| codebase-comprehension-algorithms | Use this skill whenever mapping an unfamiliar codebase into feature/business domains — answering.. |
| codemod-react-pipeline | Guided, scripted pipeline for running JSX/TSX/React codemods safely across large legacy codebases |
| codemod | Codemod (JSSG, ast-grep, workflows) best practices for writing efficient, safe, and maintainable.. |
| codex-goals | Patterns and anti-patterns for using OpenAI Codex Goals — the persistent objectives feature.. |
| complexity-optimizer | Analyze a software codebase for algorithmic complexity and performance hotspots, then propose or.. |
| computer-science-algorithms | Use this skill whenever choosing or implementing an algorithm or data structure — covers.. |
| design-to-react-algorithms | Use this skill whenever reverse-engineering a Sketch file (or Figma export with similar shape).. |
| deterministic-metric-design | Use this skill whenever designing, reviewing, or validating a quantitative metric, score,.. |
| dev-rfc | Create well-structured RFCs and technical proposals for software projects |
| diagram-quality | Use this skill whenever calling agent-uml MCP tools (design_create, diagram_upsert,.. |
| diataxis | Use whenever writing, editing, restructuring, or reviewing technical documentation — READMEs,.. |
| django-recommender-search-backend-patterns | Use this skill when building, reviewing, or refactoring a Django backend that fan-outs to.. |
| dockerfile-optimise | Dockerfile optimization guidelines from official Docker documentation |
| domain-architect | Discovers business domains in a Swift codebase by tracing what users can DO — not by reading.. |
| drizzle-sqlite-scaffold | Use this skill whenever scaffolding Drizzle ORM + SQLite boilerplate — a new.. |
| drizzle-sqlite | Use this skill whenever writing, reviewing, or refactoring Drizzle ORM code targeting SQLite.. |
| dx-harness | Use this skill whenever the user mentions developer-experience friction, slow onboarding,.. |
| effect-ts | Use this skill whenever writing, reviewing, debugging, or refactoring TypeScript code that uses.. |
| emilkowal-animations | Emil Kowalski's animation best practices for web interfaces |
| eval-mcp | Use this skill when the user asks to "evaluate MCP tools", "test tool selection", "improve tool.. |
| exec-plan | Manage the lifecycle of ExecPlans — self-contained, living specifications for multi-step work |
| expo-design-system-scaffolder | Use this skill to scaffold new Expo / React Native design system components that obey the.. |
| expo-design-system | Airbnb-DLS-aligned design system engineering for Expo / React Native apps targeting both web and.. |
| expo-ios-hig-verify | Use this skill to verify that an Expo / React Native iOS app follows Apple Human Interface.. |
| expo-ios-hig | Use this skill whenever building, reviewing, or refactoring an Expo / React Native app's iOS.. |
| expo-ios-screen-scaffolder | Use this skill to scaffold new Expo (React Native) iOS screens that follow Apple Human Interface.. |
| expo-react-native-coder | Comprehensive Expo React Native feature development guide |
| expo-react-native-performance | Expo React Native performance optimization guidelines |
| feature-spec | Feature specification and planning guidelines for software engineers |
| fog-of-war-js-ts | Use this skill whenever implementing, reviewing, or optimizing fog of war, field of view, line.. |
| framer-motion | Framer Motion performance optimization guidelines |
| geohash-spatial-code-maps | Use this skill whenever implementing, reviewing, or debugging geohash encoding/decoding in.. |
| graph-schema | Graph database schema design and data modeling expert |
| harness-engineering | Set up or update the agent-first engineering harness for any repository |
| human-copywrite | Use this skill whenever writing, editing, or reviewing user-facing copy — UI strings,.. |
| humanize | Remove signs of AI-generated writing from text |
| implementation-design-patterns-python | Implementation guide for the 22 Gang of Four design patterns in idiomatic modern Python (3.10+),.. |
| implementation-design-patterns | Implementation guide for the 22 Gang of Four design patterns in TypeScript, distilled from.. |
| inngest-nextjs-patterns | Use this skill whenever scaffolding Inngest event-driven functions in a Next.js (App Router).. |
| io-bound-data-processing | Use this skill when processing, transforming, or moving datasets that may exceed RAM on a single.. |
| ios-animations | Clinic-architecture-aligned iOS animation craft guidelines for SwiftUI (iOS 26 / Swift 6.2).. |
| ios-chaos-monkey | Crash-hunter skill for iOS 26 / Swift 6.2 clinic-architecture codebases that finds and fixes.. |
| ios-design-system | Clinic-architecture-aligned iOS design system engineering for SwiftUI (iOS 26 / Swift 6.2).. |
| ios-design | SwiftUI interface implementation patterns aligned with the iOS 26 / Swift 6.2 clinic modular.. |
| ios-hig | Apple Human Interface Guidelines for iOS 26 / Swift 6.2 clinic-architecture apps |
| ios-navigation | Opinionated SwiftUI navigation enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps |
| ios-storyboard | Legacy interoperability skill for Storyboard and Interface Builder maintenance in iOS 26 / Swift.. |
| ios-testing | Testing practices for iOS 26 / Swift 6.2 clinic modular MVVM-C applications |
| ios-ui-refactor | Principal-level SwiftUI UI review and refactoring patterns for iOS 26 / Swift 6.2.. |
| ios-xcode | Xcode setup and tooling guidance for iOS 26 / Swift 6.2 clinic modular MVVM-C projects covering.. |
| js-google | JavaScript style and best practices based on Google's official JavaScript Style Guide |
| jscodeshift | jscodeshift codemod development best practices from Facebook/Meta |
| knip-deadcode | Knip dead code detection best practices for JavaScript and TypeScript projects |
| linguistic-semantic-algorithms | Use this skill whenever mapping out an unfamiliar codebase, hunting bugs across many files,.. |
| marketplace-personalisation | Use this skill whenever designing, building, debugging, reviewing, or improving a.. |
| marketplace-pre-member-personalisation | Use this skill whenever designing, building, reviewing, or diagnosing the pre-member journey of.. |
| marketplace-recsys-feature-engineering | Use this skill whenever deciding what features to extract from raw marketplace assets — listing.. |
| marketplace-search-recsys-planning | Use this skill whenever planning, designing, reviewing, or improving search and recommendation.. |
| metric-validation-harness | Use this skill to empirically validate a software metric before trusting or optimizing it —.. |
| migrate-js-to-modern-typescript | Use this skill whenever migrating a JavaScript codebase to TypeScript, converting .js files to.. |
| nextjs-bundle-optimizer | Use this skill whenever a Next.js 16 app needs smaller bundles or faster builds — even if the.. |
| nextjs-supabase-saas-patterns | Use this skill whenever writing, reviewing, or refactoring Next.js + Supabase SaaS code that.. |
| nginx-c-module-debug | nginx C module debugging guidelines based on the official nginx development guide |
| nginx-c-module-design | nginx C module directive design guidelines for creating admin-friendly configuration interfaces |
| nginx-c-module-perf | nginx C module performance optimization and reliability guidelines based on the official nginx.. |
| nginx-c-modules | nginx C module development guidelines based on the official nginx development guide |
| openai-codex-rust-patterns | OpenAI Codex Rust coding patterns distilled from the codex-rs workspace |
| opencode-ts | Write and refactor TypeScript code in repos that use Effect-TS services, Zod schemas,.. |
| opensearch-function-scoring-algorithms | Use this skill when designing, tuning, reviewing, or evaluating search relevance and ranking for.. |
| opensearch-personalize-caching-strategies | Use this skill when designing, tuning, reviewing, or debugging caching in front of AWS.. |
| orval | Orval OpenAPI TypeScript client generation best practices |
| pt-irs-runbook | Use this skill when navigating Portuguese personal income tax (IRS / Código do IRS) or filing a.. |
| pulumi | Pulumi infrastructure as code performance and reliability guidelines |
| python-pep-author | Use this skill whenever the user wants to write, draft, or structure a Python Enhancement.. |
| rails-application-ui-blocks | Compose new Rails backend pages and refactor existing Rails UI to use premium blocks from.. |
| rails-design-system | Ruby on Rails design system guidelines for building consistent, maintainable UI with minimal.. |
| rails-hotwire | Ruby on Rails Hotwire best practices for building interactive applications with Turbo Drive,.. |
| react-fetch-cache-patterns | Use this skill whenever building, reviewing, or refactoring React components that fetch data.. |
| react-native-elements | React Native Elements UI component library best practices for performance, theming, and proper.. |
| react-optimise | Application-level React performance optimization covering React Compiler mastery, bundle.. |
| react-refactor | Architectural refactoring guide for React applications covering component architecture, state.. |
| react-testing-library | React Testing Library best practices for writing maintainable, user-centric tests |
| same-results-less-code | Use this skill whenever reviewing, refactoring, or simplifying code with the goal of producing.. |
| shell | Shell scripting best practices for writing safe, portable, and maintainable bash/sh scripts |
| storybook | Use whenever creating, configuring, or extending Storybook for a TS/React component library —.. |
| stripe-inspired-api-design-rules | Use this skill whenever designing, reviewing, or refactoring a JSON HTTP API — covers resource.. |
| swift-data | SwiftData persistence and data-layer architecture for iOS 26 / Swift 6.2 clinic modular MVVM-C apps |
| swift-optimise | Swift 6.2 and SwiftUI performance optimization for iOS 26 clinic architecture codebases |
| swift-refactor | Swift and SwiftUI refactoring patterns aligned with the iOS 26 / Swift 6.2 clinic modular MVVM-C.. |
| swift-ui-architect | Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps.. |
| tailwind-refactor | Tailwind CSS code refactoring patterns for v4 migration and anti-pattern cleanup |
| tailwind-responsive-ui | Responsive UI transformation patterns for Tailwind CSS applications |
| tailwind-ui-refactor | Refactoring UI design patterns for Tailwind CSS applications |
| theory-of-constraints | Apply the Theory of Constraints (Goldratt's Five Focusing Steps) to find and fix the single.. |
| threat-model | Use this skill whenever performing security threat modeling, attack surface mapping, or trust.. |
| threat-patch | Use this skill to remediate security findings by producing minimal, surgical code patches |
| ts-google | Google TypeScript style guide for writing clean, consistent, type-safe code |
| typescript-advanced-patterns | Use this skill when writing, reviewing, or designing advanced TypeScript code — type-level.. |
| typescript-refactor | TypeScript refactoring and modernization guidelines from a principal specialist perspective |
| uniwind | Uniwind best practices for React Native styling with Tailwind CSS |
| unix-cli | UNIX command-line interface guidelines for building tools that follow POSIX conventions, proper.. |
| vhs | VHS terminal recording best practices from Charmbracelet |
| vite | Vite performance optimization guidelines |
| web-rules | Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4 |
| webpack-plugin-authoring | Use this skill whenever writing, reviewing, or debugging webpack 5 plugins — covers hook.. |
| webpack-plugin-recipes | Use whenever you face a webpack-build problem that ends with needing to write a plugin — 26.. |
| wxt-browser-extensions | WXT browser extension performance optimization guidelines |
| zustand | Zustand state management best practices for React applications |
Installation
Install skills using Vercel's add-skill CLI:
# Install all skills
npx add-skill pproenca/dot-skills
# List available skills
npx add-skill pproenca/dot-skills --list
# Install a specific skill
npx add-skill pproenca/dot-skills --skill <skill-name>
# Install globally (across all projects)
npx add-skill pproenca/dot-skills --global
Supported Agents
Skills are installed to agent-specific directories:
| Agent | Installation Path |
|---|---|
| Claude Code | .claude/skills/<name>/ |
| Cursor | .cursor/skills/<name>/ |
| Codex | .codex/skills/<name>/ |
| OpenCode | .opencode/skill/<name>/ |
| Antigravity | .agent/skills/<name>/ |
Creating Skills
See CONTRIBUTING.md for guidelines on creating new skills.
Quick Start
- Copy the template:
cp -r skills/.template skills/my-skill - Rename the template file:
mv skills/my-skill/SKILL.md.template skills/my-skill/SKILL.md - Edit
SKILL.mdwith your skill's frontmatter and instructions - Add scripts, references, or assets as needed
- Test with
npx add-skill . --list
Skill Structure
skills/
├── my-skill/
│ ├── SKILL.md # Required: Skill definition and instructions
│ ├── scripts/ # Optional: Executable scripts
│ ├── references/ # Optional: Additional documentation
│ └── assets/ # Optional: Static resources
├── .curated/ # Vetted, production-ready skills
├── .experimental/ # Work-in-progress skills
└── .template/ # Skill template (SKILL.md.template)
License
MIT
Skills Info
Original Name:rust-systemsAuthor:pproenca
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