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Found 6,226 Skills
Compares two Xcode build runs to identify duration regressions, cache changes, and new issues. Can be invoked with build IDs, dashboard URLs, or branch names (e.g. `tuist compare-builds --base main --head feature-branch`).
Read, create, and manage Notion pages and databases through conversation. Search workspace content, create new pages, query databases, and update existing content. Use when the user asks about Notion, their notes, docs, wikis, project boards, or any Notion database.
Implement TrueSkill rating system for multiplayer and team-based competitive ranking. Use this skill when the user needs to rate players in team games, handle multiplayer (non-1v1) matchups, or build a matchmaking system with uncertainty tracking — even if they say 'team rating system', 'multiplayer ranking', or 'matchmaking rating'.
Generates comprehensive operational runbooks for any system or process. Reads codebase, infrastructure config, and deployment scripts to produce structured runbook.md files formatted for on-call engineers. Use when you need operations documentation, incident response guides, deployment procedures, or disaster recovery plans.
pytest-django integration testing specialist. Covers all fixtures (db, transactional_db, client, rf, settings, mailoutbox, django_user_model), @pytest.mark.django_db options, DRF APIClient, factory_boy integration, async views, signals, management commands, and multi-database testing. USE WHEN: user mentions "pytest-django", "django test", "@pytest.mark.django_db", asks about "django client fixture", "DRF APIClient", "django signals test", "management command test", "django async view test". DO NOT USE FOR: Non-Django Python tests - use `pytest` or `python-integration`; FastAPI - use `fastapi-testing`; Pure container setup - use `testcontainers-python`
Scan any codebase for 14 critical safety issues across security vulnerabilities, server stability (500 errors), and payment misconfigurations. Use when auditing code before deployment, reviewing AI-generated code for production readiness, or...
Produces a complete customer reactivation campaign for a client — a 4-part email and/or SMS sequence sent to a dormant customer list to generate immediate revenue within 48–72 hours. This is the single highest-ROI marketing activity available to most businesses: existing customers already trust the brand, require no new acquisition cost, and are statistically 5–9x more likely to buy than a cold prospect. The skill produces: the campaign strategy, all four email/SMS copy pieces, an optional referral offer embedded in the sequence, and a WhatsApp-adapted version for East African markets. Invoke when a client has an existing customer database and needs immediate revenue; when a client says "we've tried ads but they don't work"; or as the proof-of-value deliverable in a risk-free "first date" agency engagement before any retainer is agreed.
Guides a consultant in designing and activating a niche community strategy for a client — covering Facebook Groups, WhatsApp Communities, LinkedIn Groups, and private forums that serve the brand's audience rather than broadcasting at them. Invoke this skill when a client wants to build a owned community space, shift from page-based broadcasting to community-centred engagement, improve customer retention through belonging, or generate leads through trust networks.
Dual-mode meta-skill for (A) pre-plan field validation of business ideas through Customer Development and (B) post-plan auditing of market claims against evidence. Integrates Customer Development methodology (Blank/Dorf), rapid validation (Kagan), customer discovery steps (Cooper/Vlaskovits), and empathy-based research (Alam).
Generate the competitive analysis section with competitor profiles, SWOT analysis, competitive matrix, differentiation strategy, market share positioning, and sustainable competitive advantage (moat). Proves the business can win against alternatives. Use when building or reviewing competitive analysis sections, benchmarking against competitors, or defining market positioning. Incorporates Farris's competitive metrics, guerrilla positioning strategy, value-based differentiation frameworks, Teece's business model vs strategy distinction (business model = architecture of value creation and capture; strategy = how the model is made difficult to imitate), Kaza's four differentiation types (aesthetic experience, social experience, boundary interactions, purposeful experiences), Ohmae's 3C Strategic Triangle and Key Factors for Success, and the Portable MBA onstage/backstage model with Value Net complementors framework.
Unity 6 animation system guide. Use when working with Animator Controllers, animation state machines, blend trees, animation clips, Avatar system, humanoid rigs, root motion, animation events, Timeline, or Cinemachine. Based on Unity 6.3 LTS documentation.
Unity async and coroutine correctness patterns. Catches common mistakes with Awaitable double-await, missing cancellation tokens, thread context after BackgroundThreadAsync, coroutine error swallowing, batch mode WaitForEndOfFrame, and Addressables handle leaks. PATTERN format: WHEN/WRONG/RIGHT/GOTCHA. Based on Unity 6.3 LTS documentation.