Skills for Claude Code, Codex and Cursor

planning-and-task-breakdown addyosmani Breaks specifications into small, testable tasks with clear acceptance criteria. Prevents agents from jumping straight into coding before dependencies and risks are mapped. Claude Code CX Codex Cursor +1 63,600installs ai-seo coreyhaines31 Use this skill to work on content visibility in AI search and investigate why AI-generated answers cite—or miss—your brand. Claude Code CX Codex Cursor +1 150,100installs documentation-and-adrs addyosmani Captures architectural decisions (ADRs) and the context behind code changes. Useful for tracking design choices, API updates, and trade-offs. Claude Code CX Codex Cursor +1 63,200installs copy-editing coreyhaines31 This skill edits existing marketing copy while preserving its core message and the author's voice. Use it to proofread, refine a specific line, or refresh outdated content. Claude Code CX Codex Cursor +1 148,500installs code-simplification addyosmani Clarifies code and removes unnecessary complexity without altering behavior. Useful when refactoring working features that feel harder to maintain than they should. Claude Code CX Codex Cursor +1 62,200installs debugging-and-error-recovery addyosmani This skill guides an agent from reproducing a failure to checking the fix. Use it when tests fail, a build breaks, or runtime behavior differs from expectations. Claude Code CX Codex Cursor +1 62,200installs api-and-interface-design addyosmani Guides API and module-boundary design with explicit contracts, validation, and consistent errors. Use it for REST, GraphQL, or public interfaces. Claude Code CX Codex Cursor +1 61,900installs marketing-ideas coreyhaines31 This skill suggests marketing ideas for SaaS and software products based on their stage and available resources. Use it when you need a place to start with growth. Claude Code CX Codex Cursor +1 146,400installs incremental-implementation addyosmani Directs agents to deliver code in thin, verified vertical slices instead of bulk edits. Fits multi-file refactoring and feature work behind flags. Claude Code CX Codex Cursor +1 61,300installs test-driven-development addyosmani This skill guides work through red-green-refactor: write a failing test, add the smallest passing code, then refactor. Use it for logic, bugs, and behavior changes. Claude Code CX Codex Cursor +1 61,300installs context-engineering addyosmani Helps you set up agent context: which rules, specs and files to feed the agent, and when. Use it at the start of a session, when output quality drops, or when switching tasks. Claude Code CX Codex Cursor +1 60,900installs ai-sdk vercel Teaches your coding agent to use the Vercel AI SDK accurately. It forces the model to read installed package docs instead of relying on memory. Claude Code CX Codex Cursor +1 66,000installs git-workflow-and-versioning addyosmani A skill that sets git discipline for coding agents: atomic commits, short-lived branches, worktrees for parallel work. Useful when the agent commits faster than you review. Claude Code CX Codex Cursor +1 58,900installs idea-refine addyosmani Turns raw concepts into sharp, actionable plans through structured divergence and stress-testing. Creates a concise MVP one-pager. Claude Code CX Codex Cursor +1 58,600installs summarize openclaw Runs a CLI tool to summarize or transcribe web articles, YouTube videos, podcasts, and local PDF documents directly within your AI assistant. Claude Code CX Codex Cursor +1 26,900installs using-agent-skills addyosmani A meta-skill that tells the agent which skill from the agent-skills collection fits the task in front of it, and which behaviour rules apply all the time. Claude Code CX Codex Cursor +1 58,500installs gws-gmail official googleworkspace This skill hands your agent Gmail: send mail, read the inbox, reply in a thread. Useful when email work already runs through the gws CLI. Claude Code CX Codex Cursor +1 81,900installs browser-testing-with-devtools addyosmani Connects your coding agent to Chrome via DevTools MCP. Helps inspect the live DOM, catch console errors, check network payloads, and visually verify UI fixes. Claude Code CX Codex Cursor +1 57,900installs shipping-and-launch addyosmani Walks your agent through a production launch: pre-launch checklist, monitoring, staged rollout and a rollback plan. Useful when a feature reaches real users. Claude Code CX Codex Cursor +1 57,800installs source-driven-development addyosmani Grounds agent coding decisions in official documentation. It helps verify framework APIs against detected versions and avoids outdated patterns from model training data. Claude Code CX Codex Cursor +1 57,600installs ci-cd-and-automation addyosmani Builds a GitHub Actions CI/CD pipeline for a repo: lint, type check, tests, build and dependency audit chained as gates on every pull request. Claude Code CX Codex Cursor +1 57,500installs deprecation-and-migration addyosmani Guides the retirement of old systems, APIs, and features and moves users to a replacement. It also covers production database migrations without downtime. Claude Code CX Codex Cursor +1 56,800installs interview-me addyosmani Conducts a one-question-at-a-time interview to extract actual project intent before any code or specs. Useful when a task is underspecified. Claude Code CX Codex Cursor +1 56,700installs planning-with-files OthmanAdi Keeps task plans and progress in local Markdown files. Useful for agent tasks and research requiring five or more tool calls. Claude Code CX Codex Cursor +1 46,900installs ad-creative coreyhaines31 Generates and scales ad copy across Google Ads, Meta, and LinkedIn using real performance data and verified customer reviews. Claude Code CX Codex Cursor +1 133,600installs diagnosing-superpowers Jesse Vincent Investigates a failed Superpowers session through its transcripts and builds an evidence-based report. Use it when work repeats, plans are ignored, or a skill fails to fire. Claude Code CX Codex 19,996installs doubt-driven-development addyosmani This skill sends non-trivial decisions to a fresh-context reviewer looking for flaws. Use it before changes that are hard to undo or costly to debug later. Claude Code CX Codex Cursor +1 56,100installs observability-and-instrumentation addyosmani Instruments code with structured logs, RED and USE metrics, and distributed tracing. Use it when shipping features to production so issues are diagnosable. Claude Code CX Codex Cursor +1 54,200installs mobile-native emilkowalski Strips the tells that give a web app away on a phone: sticky hover, tap highlight flash, the 100vh bug. Claude Code CX Codex Cursor +1 84,500installs cold-email coreyhaines31 A skill that drafts cold B2B emails and follow-ups, sets up sending on secondary domains, and keeps email and LinkedIn cadences in step. Claude Code CX Codex Cursor +1 127,200installs gws-gmail-send official googleworkspace A skill that teaches your agent to send Gmail from the terminal: recipients, subject, body, attachments and drafts. Claude Code CX Codex Cursor +1 74,700installs gws-drive official googleworkspace This skill hands your agent Google Drive through the gws CLI: files, folders, shared drives, comments and access requests. Useful when docs move through code. Claude Code CX Codex Cursor +1 74,500installs site-architecture coreyhaines31 Plans a site's page hierarchy, navigation, URL patterns and internal links. Useful before you build, or when visitors can't find their way around. Claude Code CX Codex Cursor +1 122,300installs churn-prevention coreyhaines31 A Claude Code skill for subscription churn: an exit survey at cancellation, an offer matched to the stated reason, and recovery of failed payments. Claude Code CX Codex Cursor +1 120,600installs ppt-master hugohe3 This skill creates and edits PPTX decks, rebuilds slide visuals, and fills native templates. Use it when an agent needs a presentation workflow rather than plain text. Claude Code CX Codex Cursor +1 19,700installs sales-enablement coreyhaines31 Creates sales decks, one-pagers, demo scripts, and objection-handling documents. Use it when an agent needs sales collateral for a B2B deal. Claude Code CX Codex Cursor +1 118,300installs next-dev-loop vercel Checks that an edit to your Next.js app actually works in a running app, not just that it compiles. Built for the next dev loop. Claude Code CX Codex Cursor +1 22,000installs customer-research coreyhaines31 Turns interview transcripts, reviews and support tickets into pains, triggers and quotable customer language, or runs the interviews when you have nothing to analyze yet. Claude Code CX Codex Cursor +1 114,500installs next-cache-components-adoption vercel This skill helps enable Cache Components in a Next.js app and work through route errors until the build passes. Use it when migrating an App Router project. Claude Code CX Codex Cursor +1 21,200installs revops coreyhaines31 This skill helps design RevOps workflows for lead stages, scoring, routing, and marketing-to-sales handoffs. Use it when CRM processes need clear rules. Claude Code CX Codex Cursor +1 113,000installs