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

mobile-android-design Seth Hobson skill This skill guides native Android UI work with Material Design 3 and Jetpack Compose. Use it for screens, navigation, adaptive layouts, and accessibility checks. Claude Code Cursor 24,847installs security-requirement-extraction Seth Hobson skill Turns a threat model and business context into testable security requirements: user stories, acceptance criteria, test cases. Claude Code Cursor 24,845installs task-observer Eoghan Henn and contributors skill Monitors agent execution, logs user corrections, and packages repeating workflows into skill updates during weekly reviews. Claude Code Cursor GitHub Copilot 14,300installs debug-optimize-lcp ChromeDevTools skill Breaks Largest Contentful Paint into four sequential stages and shows exactly where the main content load is bottlenecked. Claude Code Cursor GitHub Copilot 3,500installs cmux manaflow-ai skill Skill for navigating multi-pane cmux layouts: create windows, workspaces, splits, focus surfaces, and move terminals and browser panels without breaking automation. Use it when an agent needs deterministic placement and routing. Claude Code Cursor GitHub Copilot 9,600installs search-strategy official anthropics skill This skill breaks a natural-language question into source-specific searches and combines the results. Use it for decisions, status checks, and document discovery. Claude Code Cursor GitHub Copilot 5,300installs e2e-testing-patterns Seth Hobson skill This skill helps build E2E tests for critical user journeys with Playwright and Cypress. Use it when debugging flaky tests or setting testing standards. Claude Code Cursor 24,343installs define-goal official openai skill Shapes vague requests into concrete, measurable goals with explicit pass criteria before an agent starts working. Claude Code Cursor GitHub Copilot 2,800installs standup official anthropics skill Generates daily standup updates by pulling recent commits and ticket changes, or by formatting rough notes into yesterday, today, and blockers. Claude Code Cursor GitHub Copilot 5,200installs create-viz official anthropics skill Generates publication-quality charts from tables and database queries using Python. Selects chart type, formats axes, and saves PNG for reports and presentations. Claude Code Cursor GitHub Copilot 5,200installs architecture-patterns Seth Hobson skill Guides backend architecture with Clean Architecture, Hexagonal Architecture, and DDD. Use it when designing a service, untangling a monolith, or tracing dependency cycles. Claude Code Cursor 24,144installs design-mobile-apps designed-by-ai skill Designs mobile screens via the Sleek REST API and translates them into React Native or HTML code. Claude Code Cursor GitHub Copilot 1,000,000installs thermo-nuclear-code-quality-review cursor skill Runs a strict maintainability audit of code changes, abstractions, large files, and branching complexity. Use it when a routine review needs deeper structural scrutiny. Claude Code Cursor GitHub Copilot 22,200installs nuxt Anthony Fu skill This skill equips your AI agent with Nuxt 5 knowledge: server-side rendering, file-based routing, auto-imports, and Nitro v3 deployment. Use it when building Nuxt apps, server routes, useFetch calls, middleware, or hybrid rendering. Claude Code Cursor GitHub Copilot 24,100installs source-management official anthropics skill Manages MCP sources for enterprise search, including connection checks, query priorities, and rate-limit handling. Claude Code Cursor GitHub Copilot 5,100installs mobile-ios-design Seth Hobson skill Guides native iOS interface work with Apple HIG and SwiftUI patterns. Use it when building views, navigation, or adaptive layouts. Claude Code Cursor 23,659installs chakra-ui-refactor chakra-ui skill Reviews components against Chakra UI v3 patterns and converts markup from HTML, Tailwind, or styled-components. Useful for UI refactoring and accessibility audits. Claude Code Cursor GitHub Copilot 2,800installs prompt-engineering-patterns Seth Hobson skill This skill helps design, test, and refine prompts for LLM applications. Use it for reusable templates, few-shot examples, and structured responses. Claude Code Cursor 23,418installs figma-generate-library official openai skill A skill to sync your Figma design system with your codebase. Build or update variables, components, themes, and documentation in the right order—phases matter, and skipping steps breaks the system. Claude Code Cursor GitHub Copilot 2,700installs figma-create-new-file official Figma skill Creates blank Figma, FigJam, or Slides files inside draft folders. It resolves planKey and editor types before invoking Figma MCP tools. GP ChatGPT 6installs google-analytics-data-api-basics official google skill This skill works with Google Analytics reporting data through Data API v1beta. Use it to enable the API, query metrics and dimensions, or check API access. Claude Code Gemini CLI 7,364installs update official anthropics skill Skill reconciles TASKS.md and memory/ against your tracker, chat and email, flags missed todos and memory gaps. Handy when your task list has drifted from what you actually promised. Claude Code Cursor GitHub Copilot 5,000installs search official anthropics skill Runs parallel queries across connected MCP tools and synthesizes the findings into a single answer. Helpful when decisions or notes are scattered across chat, email, and storage. Claude Code Cursor GitHub Copilot 5,000installs error-handling-patterns Seth Hobson skill This skill covers exceptions, Result types, error propagation, and graceful degradation. Use it when designing APIs or debugging failures. Claude Code Cursor 22,957installs python-design-patterns Seth Hobson skill Use it to shape Python components, separate responsibilities, and decide when repeated code deserves an abstraction. It fits design and refactoring work. Claude Code Cursor 22,842installs start official anthropics skill Checks connected MCP servers and surveys bio-research tools. Helps researchers get oriented with the plugin before starting a project. Claude Code Cursor GitHub Copilot 4,900installs content-creation official anthropics skill This skill helps draft marketing content for blogs, social posts, newsletters, landing pages, and more. Use it when channel formatting, SEO copy, headlines, or CTAs matter. Claude Code Cursor GitHub Copilot 4,900installs troubleshooting ChromeDevTools skill Diagnoses connection failures and tool errors in Chrome DevTools MCP step by step. Helpful when the server refuses to launch or tab commands fail. Claude Code Cursor GitHub Copilot 3,200installs memory-leak-debugging ChromeDevTools skill Finds memory leaks in JavaScript and Node.js with Chrome DevTools MCP. Use it to investigate high memory use, OOM errors, and heap snapshots. Claude Code Cursor GitHub Copilot 3,200installs cmux-browser manaflow-ai skill Automates browser surfaces via the cmux CLI without stealing user focus. Useful for background page inspections, waiting on selectors, and form fills. Claude Code Cursor GitHub Copilot 8,800installs claude-certification rohitg00 skill Walks you through one of four Claude certification tracks: teaches the lesson, runs the lab, checks your artifacts. Useful when you are preparing for an exam and want a tutor instead of a reading list. Claude Code Cursor GitHub Copilot 3,300installs prompt-master nidhinjs skill This skill writes and improves prompts for a named AI tool. Use it when a rough request needs to become a ready-to-paste prompt for Claude Code, Cursor, or another supported tool. Claude Code Cursor GitHub Copilot 3,900installs google-analytics-admin-api-basics official google skill This skill guides agents through Google Analytics Admin API setup and account configuration. Use it to manage properties and integrations from code. Claude Code Gemini CLI 7,068installs bigquery-ai-ml official google skill This skill helps write BigQuery SQL for built-in ML and GenAI tasks. Use it for forecasting, anomaly detection, semantic search, and text analysis. Claude Code Gemini CLI 7,033installs portless vercel-labs skill Assigns local dev servers stable names like myapp.localhost instead of port numbers. Claude Code Cursor GitHub Copilot 5,900installs workload-manager-basics official google skill This skill manages Google Cloud Workload Manager rules, evaluations, scanned resources, and findings. Use it for workload best-practice checks. Claude Code Gemini CLI 6,999installs pnpm Anthony Fu skill Skill for working with pnpm, a Node.js package manager with strict dependency resolution. Use it when your project relies on workspaces, version catalogs, patches, or dependency overrides. Claude Code Cursor GitHub Copilot 22,300installs mem0 mem0ai skill Guides AI coding agents in adding persistent memory to Python and TypeScript applications using the Mem0 Platform SDK or open-source Memory class. Claude Code Cursor GitHub Copilot 2,300installs architecture-decision-records Seth Hobson skill Creates and maintains ADRs with their context, decisions, consequences, and status. Use it when choosing technology or reviewing past architecture choices. Claude Code Cursor 22,036installs google-ads-api-mcp-setup official google-ads-api-team skill This skill installs the official Google Ads MCP Server and helps connect an AI assistant to an account for campaign queries and reporting metrics. Claude Code Gemini CLI 6,910installs