Claude Skills

Expert knowledge of cloud provider pricing models for AWS, Azure, GCP covering compute, storage, database, networking, and serverless services. Includes 2025 pricing data, regional differences, free tiers, pricing calculators, and cost comparison across providers. Activates for cloud pricing, how much does it cost, price comparison, AWS vs Azure vs GCP pricing, pricing calculator, estimate costs, regional pricing, free tier, what's cheaper.

Visual regression testing expert using Playwright snapshots, Percy, Chromatic, BackstopJS, and pixel-diff analysis. Covers baseline management, responsive testing, cross-browser visual testing, component visual testing, and CI integration. Activates for visual regression, screenshot testing, visual diff, Percy, Chromatic, BackstopJS, pixel comparison, snapshot testing, visual testing, CSS regression, UI looks different, layout changed, style regression, component looks wrong, responsive breakpoints, cross-browser differences, screenshot comparison, baseline update, approve changes, Storybook visual tests, design QA, pixel perfect, UI drift, visual bugs.

Visual regression testing expert using Playwright snapshots, Percy, Chromatic, BackstopJS, and pixel-diff analysis. Covers baseline management, responsive testing, cross-browser visual testing, component visual testing, and CI integration. Activates for visual regression, screenshot testing, visual diff, Percy, Chromatic, BackstopJS, pixel comparison, snapshot testing, visual testing, CSS regression, UI looks different, layout changed, style regression, component looks wrong, responsive breakpoints, cross-browser differences, screenshot comparison, baseline update, approve changes, Storybook visual tests, design QA, pixel perfect, UI drift, visual bugs.

Tailwind CSS patterns, utilities, and component styling for Rails. Use when styling with Tailwind, creating responsive layouts, or building UI components. Triggers on "tailwind", "style with", "css classes", "responsive layout".

This skill should be used when the user asks to "commit", "make a commit", "commit my changes", "create commits", "git commit", or wants to commit staged/unstaged changes with logical grouping and conventional commit format.

Analyze completed development work to identify automation and systematization opportunities. Use after finishing features, fixing bugs, or completing code reviews. Triggers on "analyze for automation", "what can we automate", "compound opportunities", "systematize".

Writes comprehensive RSpec tests for Rails applications. Use when writing model specs, request specs, system specs, job specs, mailer specs, channel specs, or storage specs. Triggers on "write tests for", "add specs to", "test the User model", "create request specs", "write RSpec", "add test coverage".

SaaS unit economics and growth strategy. Use for LTV, CAC, MRR/ARR analysis, payback period, churn analysis, Rule of 40, and SaaS financial modeling. Triggers on "unit economics", "ltv", "cac", "mrr", "arr", "churn", "saas metrics".

This skill should be used when the user asks to configure, optimize, or troubleshoot their display/monitor setup. Triggers on "optimize my monitors", "configure displays", "rotate monitor", "set up my screens", "display settings", "monitor resolution", or any request to adjust multi-monitor arrangements, resolutions, refresh rates, or orientations on macOS.

FinOps expert for AWS/Azure/GCP cost optimization - right-sizing, reserved instances, savings plans, spot instances. Use for reducing cloud costs.

Expert code refinement agent that simplifies and improves code clarity, consistency, and maintainability while preserving exact functionality. Operates proactively on recently modified code. Based on Anthropic's official code-simplifier with SpecWeave enhancements. Never alters WHAT code does, only HOW. Activates for simplify code, clean up code, improve readability, refactor for clarity, reduce complexity, make code cleaner.

Performance engineering for web applications, databases, and distributed systems optimization. Use for analyzing bottlenecks, implementing caching strategies, or improving Core Web Vitals. Covers profiling, load testing, bundle optimization, and database query performance tuning.

Product roadmap and feature prioritization expert with RICE, MoSCoW, and Kano frameworks. Use when planning product roadmaps, prioritizing features across increments, or defining success metrics and KPIs. Covers ROI analysis, stakeholder communication, and quarterly planning.

Real-time security pattern detector based on Anthropic's official security-guidance plugin. Use proactively when writing code to detect command injection, XSS, unsafe deserialization, and dynamic code execution risks. Identifies dangerous patterns BEFORE they're committed.

Serverless platform selection expert for AWS Lambda, Azure Functions, GCP Cloud Functions, and Firebase. Use when choosing between serverless platforms, evaluating cold start requirements, or designing event-driven architectures. Considers project scale (pet project vs enterprise), workload patterns, and cost optimization.

Detects when user reports issues with recently completed work and suggests reopening relevant tasks or increments. Use when reporting bugs, regressions, or problems with recently finished features. Scans completed work from last 7 days and provides relevance-scored suggestions while checking WIP limits.

Detects multi-repo architecture patterns (frontend/backend/shared) from user prompts and guides umbrella setup. Use when working with multiple repositories, microservices architecture, or projects with separate FE/BE/Shared libraries. Helps configure SpecWeave for multi-repo coordination.

Smart merge for CLAUDE.md and AGENTS.md instruction files that preserves user customizations while updating SpecWeave sections. Use after plugin refresh, version upgrade, or when instruction files need sync. Parses SW-managed sections and preserves user content.

Mandatory format standard for ALL GitHub issues created by SpecWeave with checkable acceptance criteria and proper metadata. Use when creating GitHub issues, formatting issue content, or ensuring consistent issue structure. Covers user stories, epics, features, and increments.

Expert at organizing specs and splitting tasks across multiple GitHub repositories for monorepo, polyrepo, and parent repo architectures. Use when managing specs across multiple repos, coordinating cross-repo work, or allocating tasks to different teams/repositories.

Two-way synchronization between SpecWeave specs and GitHub Projects (push & pull by default). Use when asking about GitHub integration setup, troubleshooting sync issues, or configuring sync settings. For actual syncing, use /sw-github:sync-spec command.

MLOps expert for ML infrastructure and production systems. ML pipelines (Kubeflow, Airflow, Prefect), model registry, deployment (Docker, K8s, serverless), monitoring, and CI/CD for ML. Use for automated training, model deployment, or ML infrastructure.

Multi-repo version alignment - lockstep/independent/umbrella strategies, semver constraints, version conflict detection.

Apache Kafka architecture expert for event-driven systems, cluster design, partition strategies, consumer groups, and event sourcing/CQRS patterns. Use when designing Kafka topics, planning data pipelines, or implementing event-driven architectures.