Claude Code skills, plugins, subagents, slash commands and mcp servers

flags react skill This skill runs React's feature-flag command and explains the results. Use it to compare release channels when a feature behaves differently between them. CX Codex Cursor GitHub Copilot 1,100installs flow react skill Runs Flow type checking in a React project and reports errors with file locations. Useful when you edit code and don't want to look up the right renderer flag each time. CX Codex Cursor GitHub Copilot 1,100installs understand-domain Egonex-AI skill Extracts business domains and process flows from a codebase, then creates an interactive graph. Useful when you need to see how a project’s processes fit together. CX Codex Cursor GitHub Copilot 3,500installs aspnet-core official openai skill Guides building, refactoring, and architecting ASP.NET Core apps using official Microsoft patterns. Helpful for Minimal APIs, Blazor, and migrations. CX Codex Cursor GitHub Copilot 3,900installs write-agentmemory-skill rohitg00 skill Sets structure and formatting rules for agentmemory skills. Use it when creating a new SKILL.md or reviewing an existing skill for consistency. CX Codex Cursor GitHub Copilot 10,700installs agentmemory-hooks rohitg00 skill This skill explains how agentmemory hooks record observations during an agent session. Use it to understand what gets captured or troubleshoot missing observations. CX Codex Cursor GitHub Copilot 10,700installs task-management official anthropics skill Tracks commitments, active work, and follow-ups in a local TASKS.md file. Useful when managing project to-dos directly from the AI coding chat. CX Codex Cursor GitHub Copilot 7,200installs code-reviewer VoltAgent Community subagent Reviews code changes for bugs, security flaws and maintenance issues. Use it before merging complex work or auditing a project. 31,050installs transitions-dev Jakubantalik skill Twelve standalone CSS transitions for modals, dropdowns, badges, and card resizes. Helps coding agents wire production-ready UI animations without external libraries. CX Codex Cursor GitHub Copilot 1,900installs gemini-interactions-api official google skill This skill guides Gemini Interactions API usage on Gemini Enterprise Agent Platform for stateful chats, background tasks, streaming, and function calling. Gemini CLI CX Codex 10,434installs gemini-watermark-remover GargantuaX skill Removes visible Gemini watermarks from local image files using a bundled CLI script. Ideal for cleaning single pictures or whole directories right inside your agent workflow. CX Codex Cursor GitHub Copilot 12,900installs security-ownership-map official openai skill Builds a people-to-file map from git history, computes bus factor, and flags sensitive code with too few active owners. CX Codex Cursor GitHub Copilot 3,800installs understand-knowledge Egonex-AI skill Analyzes a Karpathy-pattern wiki and builds an interactive graph of entities, links, and topics. Use it to map a structured knowledge base. CX Codex Cursor GitHub Copilot 3,400installs design-is thedotmack skill Audits an interface against Dieter Rams' ten design principles, collects evidence with subagents, and generates a /make-plan prompt. CX Codex Cursor GitHub Copilot 4,200installs nextjs-app-router-patterns Seth Hobson skill This skill covers Next.js App Router patterns for rendering, routing, and data fetching. Use it when starting an App Router project or moving from Pages Router. CX Codex Cursor 32,529installs qmd tobi skill Search local Markdown notes, docs, and wikis with QMD, then answer from retrieved files. Useful when project knowledge already lives on disk. CX Codex Cursor GitHub Copilot 4,100installs agent-platform-skill-registry official google skill Connects agents to the Gemini Enterprise Agent Platform Skill Registry for discovery and lifecycle tasks. Useful when your workflow manages registered skills. Gemini CLI CX Codex 10,068installs fastify-best-practices mcollina skill Guides AI assistants in building Fastify backend servers with TypeScript or JavaScript. It covers plugin encapsulation, schemas, logging, and deployment patterns. CX Codex Cursor GitHub Copilot 81,100installs voicestudio debpalash skill Connects an agent to VoiceStudio for speech generation, audio transcription, and dubbing workflows through its REST API or MCP server. CX Codex Cursor GitHub Copilot 1,700installs architecture official anthropics skill Writes an Architecture Decision Record or reviews a system design: options, trade-offs, consequences. Useful when you have to pick between technologies. CX Codex Cursor GitHub Copilot 6,700installs weekly-digests thedotmack skill Splits a claude-mem timeline into per-ISO-week files and produces one narrative chapter per week. Use it when you want a serial story, not a single report. CX Codex Cursor GitHub Copilot 4,000installs 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor GitHub Copilot 4,000installs google-cloud-waf-operational-excellence official google skill Provides Google Cloud operations guidance for CI/CD, monitoring, logging, and incidents. Use it when reviewing CloudOps practices for a workload. Gemini CLI CX Codex 9,636installs 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor 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. CX Codex Cursor GitHub Copilot 10,300installs