Cursor skills, plugins, subagents, slash commands and mcp servers

oh-my-issues thedotmack skill Clusters GitHub issues by root cause into plan-master issues and design docs. Useful when a backlog grows too large and needs consolidation into an actionable roadmap. Claude Code CX Codex GitHub Copilot 4,000installs find-your-level rohitg00 skill A 10-question AI/ML quiz that tells you which phase of the AI Engineering from Scratch curriculum to start from. Claude Code CX Codex GitHub Copilot 4,500installs start-learning rohitg00 skill It onboards learners into the AI Engineering from Scratch curriculum, runs a placement quiz, and creates LEARNING.md as a persistent study plan. Claude Code CX Codex GitHub Copilot 4,500installs sdf earthtojake skill This skill authors and validates SDFormat files for models and worlds, then helps prepare them for simulator handoff. Claude Code CX Codex GitHub Copilot 10,500installs sandbox-stable cloudflare skill This skill helps build and maintain Cloudflare Sandbox apps on the stable @cloudflare/sandbox package. Use it when Workers need isolated Linux environments. Claude Code CX Codex GitHub Copilot 67,600installs openspec-onboard openspec skill Guides a first OpenSpec workflow on a real codebase task, from choosing the work to archiving the finished change. Claude Code CX Codex GitHub Copilot 4,000installs openspec-apply-change openspec skill This skill guides an agent through implementing tasks from an OpenSpec change. It pulls context files and tracks task progress directly against the specification. Claude Code CX Codex GitHub Copilot 4,000installs openspec-explore openspec skill openspec-explore gives an agent a discussion-first mode for exploring ideas, investigating problems, and clarifying OpenSpec requirements before implementation. Claude Code CX Codex GitHub Copilot 4,000installs openspec-propose openspec skill Generates a complete OpenSpec proposal with design, spec deltas, and implementation tasks in one run. Ideal for scoping changes before editing codebase files. Claude Code CX Codex GitHub Copilot 4,000installs urdf earthtojake skill This skill helps create, validate, and debug URDF robot descriptions. Use it when working with links, joints, geometry, meshes, or inertial data. Claude Code CX Codex GitHub Copilot 10,400installs api-design-principles Seth Hobson skill Use this skill to plan or review REST and GraphQL APIs. It helps when writing a specification or setting API conventions for a team. Claude Code CX Codex 30,348installs fixing-metadata ibelick skill Audits page metadata and fixes what's broken: titles, descriptions, canonical URLs, Open Graph, Twitter cards, icons and JSON-LD. Claude Code CX Codex GitHub Copilot 18,200installs core-web-vitals web-quality-skills skill A skill that measures first, then fixes LCP, INP and CLS. Handy when a page loads slowly or the layout jumps around. Claude Code CX Codex GitHub Copilot 31,900installs sandbox-migrate-to-next cloudflare skill Skill guides migration of Cloudflare Sandbox applications from the stable @cloudflare/sandbox package to the prerelease @cloudflare/sandbox@next (SDK 1.0). Use it when preparing code for the future stable release. Claude Code CX Codex GitHub Copilot 66,900installs speech official openai skill Generates voiceovers, narration, and IVR audio clips via OpenAI Audio API. Useful when your project needs spoken audio files from plain text. Claude Code CX Codex GitHub Copilot 3,500installs code-review-excellence Seth Hobson skill This skill guides pull request reviews, catches logic and security issues, and helps teams give specific feedback. Use it for review standards or developer mentoring. Claude Code CX Codex 30,193installs react vercel-labs skill This skill turns json-render JSON specs into React component trees. Use it when building JSON-driven UIs or defining a component catalog for generated specs. Claude Code CX Codex GitHub Copilot 16,300installs srdf earthtojake skill This skill creates and validates MoveIt2 SRDF files paired with a URDF. Use it for planning groups, robot semantics, and review-ready handoff. Claude Code CX Codex GitHub Copilot 10,300installs unslop cursor skill This skill removes common AI writing patterns, filler, and vague phrasing while keeping the meaning and intended tone. Use it when polishing text. Claude Code CX Codex GitHub Copilot 27,700installs agent-eval colbymchenry skill Compares agent behavior with and without CodeGraph on a real repository. Use it to audit retrieval quality and test a local or published CodeGraph version. Claude Code CX Codex GitHub Copilot 1,800installs knowledge-synthesis official anthropics skill Merges search results across chats, emails, and documents into deduplicated answers with source attribution. Flags conflicting facts and scores source reliability. Claude Code CX Codex GitHub Copilot 6,400installs testing-strategy official anthropics skill This skill designs testing strategies and test plans for a project. Use it when you need test types, coverage goals, or gaps in existing checks. Claude Code CX Codex GitHub Copilot 6,400installs vue-best-practices github.com/vuejs-ai skill Enforces Vue 3 guidelines using Composition API and TypeScript. Helpful for structuring SFCs, managing reactivity, and writing composables. Claude Code CX Codex GitHub Copilot 42,700installs yeet official openai skill Walks a change from git add to a draft pull request using gh. Runs only when you ask for it explicitly. Claude Code CX Codex GitHub Copilot 3,400installs chakra-ui-builder chakra-ui skill Build responsive, accessible interfaces with Chakra UI v3, add the library to a project, and shape its theme. Useful for components, pages, and layouts. Claude Code CX Codex GitHub Copilot 3,500installs view-pdf official anthropics skill Opens PDFs in an interactive viewer for shared markup, form filling, highlights, stamps, and visual signatures. Use it when text reading alone is not enough. Claude Code CX Codex GitHub Copilot 6,300installs modern-web-guidance GoogleChrome skill A skill that searches a catalog of modern web guides and feeds the matching one to your agent. Useful when the model's training data has stale HTML, CSS or client-side JS patterns. Claude Code CX Codex GitHub Copilot 34,900installs openspec-sync-specs openspec skill Syncs delta specs from an active OpenSpec change directly into main project specs without triggering change archiving. Claude Code CX Codex GitHub Copilot 3,800installs github-triage code-yeongyu skill Reads every open issue and PR in a repo and writes evidence-backed reports. It never comments, merges or closes anything. Claude Code CX Codex GitHub Copilot 2,700installs code-simplifier rtk-ai skill Reviews Rust code in RTK to remove over-engineering and needless allocations. It applies idiomatic simplifications without altering runtime behavior. Claude Code CX Codex GitHub Copilot 2,100installs rtk-tdd rtk-ai skill This skill enforces a Red-Green-Refactor workflow for Rust and activates on implementation, testing, refactoring, and bug-fixing tasks. Claude Code CX Codex GitHub Copilot 2,100installs learn rohitg00 skill Walks you through the AI Engineering from Scratch curriculum: pulls the next lesson, teaches it section by section in the terminal, quizzes you, and logs progress. Claude Code CX Codex GitHub Copilot 4,200installs cookbook-audit official anthropics skill A skill that audits Anthropic Cookbook notebooks against the style guide: checks structure, code quality, security, and learning objectives. Use it when writing or reviewing notebooks with examples. Claude Code CX Codex GitHub Copilot 776installs expo-dev-client expo skill Skill for building and distributing custom Expo development clients to physical devices via local builds or TestFlight. Use it when your app includes native code, Apple widgets, or third-party native modules not in Expo Go. Claude Code CX Codex GitHub Copilot 70,000installs hatch-pet official openai skill Creates and packages animated pets and spritesheets for Codex. Use it to turn a character concept, reference image, or brand cues into a pet. Claude Code CX Codex GitHub Copilot 3,300installs upgrade-stripe stripe skill Guides an agent through Stripe API, webhook, and SDK version upgrades. Use it when moving an integration to a target API version. Claude Code CX Codex GitHub Copilot 72,800installs playwright-best-practices currents.dev skill A reference skill for Playwright test architecture, locator design, and Page Object Model. Helps debug flaky runs, mock network requests, and audit accessibility. Claude Code CX Codex GitHub Copilot 98,200installs course-guide rohitg00 skill Finds AI Engineering from Scratch lessons for a topic, question, or bug and suggests a next action. Use it when you need a course route for what you are learning. Claude Code CX Codex GitHub Copilot 4,100installs postgresql-table-design Seth Hobson skill Helps design and review PostgreSQL schemas with guidance on data types, keys, constraints, indexes, and table partitioning. Claude Code CX Codex 27,780installs gcode earthtojake skill Slices STL, 3MF, and OBJ models into printer-ready G-code through OrcaSlicer. Use it when you need a print file without connecting to the printer. Claude Code CX Codex GitHub Copilot 9,500installs