GitHub Copilot skills, plugins, subagents, slash commands and mcp servers

vitest Anthony Fu skill This skill guides work with Vitest tests, mocks, coverage, filtering, and fixtures. Use it when setting up tests or checking how Vitest fits a Vite project. Claude Code CX Codex Cursor 43,600installs cpp-coding-standards affaan-m skill A skill that pushes your AI agent toward C++ Core Guidelines when it writes, reviews or refactors C++: RAII, immutability, strong typing. Claude Code CX Codex Cursor 5,100installs django-patterns affaan-m skill Guides agents on Django and DRF architecture: modular settings, custom user models, and optimized QuerySets without N+1 queries. Claude Code CX Codex Cursor 5,100installs golang-patterns affaan-m skill This skill guides Go coding, reviews, and refactors with idiomatic patterns. Use it when package structure, errors, or concurrency need a closer check. Claude Code CX Codex Cursor 5,100installs database-migrations affaan-m skill A skill that spells out safe, reversible schema changes: expand-contract renames, concurrent indexes, batched backfills, plus workflows for PostgreSQL, Prisma, Drizzle, Kysely, Django and golang-migrate. Claude Code CX Codex Cursor 5,100installs postgresql-optimization official github skill Helps developers use PostgreSQL features such as JSONB, arrays, indexes, full-text search, window functions, and extensions. 16,436installs commit-history rohitg00 skill Lists git commits linked to agent sessions with optional filters for branch, repo, and limit. Claude Code CX Codex Cursor 13,700installs stitch::generate-design official google-labs-code skill Turns a text prompt or an image into a finished UI screen through Stitch MCP, then edits it with targeted prompts. Claude Code CX Codex Cursor 10,700installs skill-creator official openai skill Official guide for drafting and updating agent skills. It structures procedures, bundled scripts, and documentation while keeping token overhead low. Claude Code CX Codex Cursor 4,900installs springboot-patterns affaan-m skill A skill for Java Spring Boot architecture and REST API work. Use it when building or reviewing controllers, services, data access, caching, or async processing. Claude Code CX Codex Cursor 5,000installs git-workflow affaan-m skill A skill that hands your agent Git conventions: which branching strategy to pick, how to word commits, and when rebase beats merge. Claude Code CX Codex Cursor 5,000installs nestjs-patterns affaan-m skill Architectural guidelines for NestJS backends, covering modular directory layouts, DTO validation, and testing. Claude Code CX Codex Cursor 5,000installs context-budget affaan-m skill Routes live context checks to Codex or Claude Code meters and runs a bounded configuration audit only when you explicitly ask for one. Claude Code CX Codex Cursor 5,000installs golang-testing affaan-m skill A skill that gives your agent Go testing patterns: table-driven cases, subtests, benchmarks, fuzzing and coverage. Useful when you write tests and want idiomatic Go. Claude Code CX Codex Cursor 5,000installs accessibility affaan-m skill Designs and audits user interfaces to WCAG 2.2 Level AA across Web, iOS, and Android. It guides the model through semantic roles, focus states, and screen readers. Claude Code CX Codex Cursor 5,000installs java-coding-standards affaan-m skill This skill applies Java conventions to Spring Boot and Quarkus code. Use it when an agent writes or reviews services built with either framework. Claude Code CX Codex Cursor 5,000installs seo affaan-m skill A skill that walks your coding agent through technical SEO, on-page fixes, structured data and Core Web Vitals, with page-level recommendations. Claude Code CX Codex Cursor 5,000installs rust-patterns affaan-m skill Guides your coding agent to write idiomatic Rust using strict ownership rules, typed errors, Cow, and exhaustive pattern matching. Claude Code CX Codex Cursor 5,000installs laravel-patterns affaan-m skill This skill guides Laravel architecture, routing, Eloquent, queues, and API resources. Use it when building or reviewing Laravel apps. Claude Code CX Codex Cursor 5,000installs deep-research affaan-m skill Turns a vague “research this” request into a cited report: sub-questions, 15–30 sources, an inline reference under each finding and a confidence level. Claude Code CX Codex Cursor 5,000installs e2e-testing affaan-m skill Playwright E2E testing patterns covering Page Object Model setup, CI/CD configuration, flaky test quarantine, and artifact capture. Claude Code CX Codex Cursor 5,000installs build-dashboard official anthropics skill Builds a self-contained HTML dashboard with Chart.js charts, KPI cards, and filterable tables. Useful for turning raw data or queries into a standalone browser report. Claude Code CX Codex Cursor 9,100installs handoff rohitg00 skill Resumes the latest agent session for the current directory and surfaces any unanswered questions first. Claude Code CX Codex Cursor 13,400installs stitch::extract-design-md official google-labs-code skill Extracts a complete DESIGN.md design system directly from frontend source files without building or rendering the project. Useful for styling audits and Stitch exports. Claude Code CX Codex Cursor 10,500installs cloudflare-one cloudflare skill Walks your agent through designing, configuring and troubleshooting Cloudflare One Zero Trust and SASE deployments. Useful when you need Access, Gateway or tunnel work done without digging through docs yourself. Claude Code CX Codex Cursor 92,200installs turnstile-spin cloudflare skill Sets up Cloudflare Turnstile bot verification across existing frontend and backend code, including widget embedding and server-side siteverify. Claude Code CX Codex Cursor 92,200installs vercel-cli vercel skill This skill guides an agent through Vercel CLI deployments, inspection, and troubleshooting. Use it for logs, environment variables, domains, and project setup. Claude Code CX Codex Cursor 6,700installs gh-address-comments official openai skill This skill finds the open pull request for the current branch, lists review comments, and applies the fixes you select through gh. Claude Code CX Codex Cursor 4,800installs fastapi-patterns affaan-m skill Provides production patterns for FastAPI, including Pydantic v2 schemas, async dependencies, and service layers. Useful when writing or reviewing API architectures. Claude Code CX Codex Cursor 4,900installs springboot-security affaan-m skill Reviews security in Java Spring Boot services, covering authentication, authorization, input validation, CSRF, secrets, headers, and dependencies. Claude Code CX Codex Cursor 4,900installs browser-qa affaan-m skill Drives a live page through a browser MCP: console errors, Core Web Vitals, forms, screenshots at three widths and axe-core. Ends with a SHIP or DO NOT SHIP verdict. Claude Code CX Codex Cursor 4,900installs brand-voice affaan-m skill Extracts an author's writing style from real publications and turns it into a reusable profile for drafts and outreach. Useful when you need consistent tone without typical AI cliches. Claude Code CX Codex Cursor 4,900installs python-testing affaan-m skill A pytest skill for Python testing with TDD, fixtures, mocks, parametrization, and coverage checks. Use it when building or reviewing test suites. Claude Code CX Codex Cursor 4,900installs strategic-compact affaan-m skill Tells you when to run /compact during a session so context survives task phases. Built for long multi-phase runs. Claude Code CX Codex Cursor 4,900installs jira-integration affaan-m skill Connects coding agents to Jira using an MCP server or direct REST calls. It extracts acceptance criteria, updates statuses, and posts comments during development. Claude Code CX Codex Cursor 4,900installs nextjs-turbopack affaan-m skill This skill covers Turbopack in Next.js 16+, when webpack may be needed, and the middleware.ts to proxy.ts change. Use it while debugging development builds or checking a version upgrade. Claude Code CX Codex Cursor 4,900installs django-security affaan-m skill A skill that feeds your agent Django security rules: production settings, auth, permissions, SQL injection and XSS prevention. Useful for reviews and deploys. Claude Code CX Codex Cursor 4,900installs blender-motion-state-inspection affaan-m skill Inspects Blender characters and retargeted animations using bone coordinates and scene geometry instead of guesswork from screenshots. Claude Code CX Codex Cursor 4,900installs verification-loop affaan-m skill Runs a session's work through six phases — build, types, lint, tests with coverage, secret grep, diff review — and prints a PASS/FAIL report. Claude Code CX Codex Cursor 4,900installs design-system affaan-m skill Builds a design system out of the styles already in your repo, or audits them: tokens, a ten-point UI score, and a check for generic AI styling. Claude Code CX Codex Cursor 4,900installs