Lifestyle

Calculate ROI for marketing campaigns, investments, and business decisions. Includes break-even analysis, payback period, and comparative ROI.

Reduce churn and improve retention through cohort analysis, at-risk user identification, win-back campaigns, and customer success strategies. Generate comprehensive HTML reports with retention curves, health scores, churn analysis, and 90-day implementation roadmaps.

Test-Driven Development combined with emergent playtesting for Quest Keeper AI. Use when running playtest sessions, writing tests, debugging game feel issues, or following the RED-GREEN-REFACTOR cycle. Triggers on mentions of testing, playtest, TDD, bug discovery, game feel, or "as a player".

A skill with triple dashes in the markdown body

Validate that Skill() invocations use full prefixed names. Use when (1) before creating a pull request to ensure skill references resolve correctly, (2) after adding new skills to verify invocations use proper names, (3) when verifying repository health, (4) as part of comprehensive validation alongside other check skills.

Creative direction for branded images - compose visual briefs for social media, lifestyle, marketing, and web imagery

Expert guidance for designing effective Apache Superset dashboards with professional layouts, intuitive navigation, and optimized user experience. This skill helps you create dashboards that tell clear data stories - with specific templates for Finance SSC, BIR compliance, and operational monitoring.

Extract EXIF metadata from images including GPS coordinates, camera settings, and timestamps. Map photo locations and strip metadata for privacy.

Analyzes and optimizes application performance (loading time, FPS, memory, bottlenecks). Use when experiencing slowdowns, before releases, or optimizing arcade games

Plan trips with itineraries, budgets, and local recommendations

iOSセキュリティ実装ガイド。認証・認可、データ暗号化、Keychain、証明書ピンニング、App Transport Security、脱獄検知、難読化など、セキュアなiOSアプリケーション開発のベストプラクティス。

Browse movies and book tickets at Classic Cinemas Elsternwick. Use when Nathan asks what's showing, wants movie details, or wants to book tickets.

Track architectural decisions and detect drift from ADRs (Architecture Decision Records). Calculate alignment score (0.00-1.00) showing code-to-design conformance. Auto-detect architectural violations and suggest refactoring. Integrate with Serena for architectural health monitoring. Use when: maintaining architectural integrity, reviewing large changes, documenting decisions, detecting drift, enforcing standards.

Draft professional emails for various business and personal contexts

AI-powered career biographer that conducts empathetic interviews, extracts structured career narratives, and transforms professional stories into portfolios, CVs, and personal brand assets. This skill should be used when users want to document their career journey, create professional portfolios, generate CVs, or craft compelling career narratives.

Intelligent MCP server recommendation engine based on quantitative domain analysis. Maps project domains (Frontend %, Backend %, Database %, etc.) to appropriate MCP servers using tier-based priority system (Mandatory > Primary > Secondary > Optional). Performs health checking, generates setup instructions, provides fallback chains. Use when: analyzing project needs, configuring MCPs, checking MCP health, recommending alternatives.

Define and enforce error budgets and SLO guardrails; use when asked to balance velocity with reliability targets.

Graphical and UI/UX design improvements for SvelteKit browser games, including layout, typography, color systems, HUD design, visual polish, and dynamic effects. Use when asked to redesign or enhance a Svelte game's visuals, to improve readability or aesthetics, to add motion/animation polish, or to audit/iterate on UI using Playwright MCP snapshots.

Financial calculations: loans, investments, NPV/IRR, retirement planning, Monte Carlo simulations. Generates tables, charts, and exportable reports.

Manages Claude Skills ecosystem setup, maintenance, and repo health. Checks environment (Python, uv, npm, git), discovers available skills, installs dependencies, performs routine maintenance, and generates an adaptive-growth backlog from recent commits. Triggers - "setup skills", "check environment", "list skills", "install dependencies", "skill maintenance", "discover skills", "skill guide", "adaptive growth", "generate growth backlog".