Git & Version Control

Implements PlanetScale serverless MySQL with branching workflows, non-blocking schema changes, and Prisma integration. Use when building apps with PlanetScale, implementing database branching, or needing serverless MySQL.

Create high-quality, progressive learning tutorials for VRP Toolkit. Use when the user requests creating tutorials, educational content, or learning materials for any VRP toolkit feature (problem creation, algorithm implementation, data generation, visualization, etc.). This skill ensures tutorials follow best learning practices with progressive disclosure, hands-on examples, and clear explanations.

Strict file creation rules. Loaded FIRST by orchestrator and all agents before any action. Prevents pollution with .md, .json, scripts. Only allows code files and .build/ docs.

WHEN: CI/CD pipeline review, GitHub Actions, GitLab CI, Jenkins, build optimizationWHAT: Pipeline structure + Job optimization + Security scanning + Caching strategy + Deployment patternsWHEN NOT: Kubernetes → k8s-reviewer, Terraform → terraform-reviewer

Use when creating pull requests. Covers PR structure, GitHub CLI usage, branch workflow, and pre-PR validation. Triggers on PR creation, branch merging, or when preparing changes for review.

Create isolated git worktrees with smart directory selection and safety verification

Import entire Godot projects (.tscn scenes + .gd scripts) and convert to GameGen's format for DynamoDB. Detects programmatic position/size assignments and flags them.

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

Use PROACTIVELY when users need guaranteed schema compliance or validated tool inputs from Anthropic's structured outputs feature. Expert advisor for choosing between JSON outputs (data extraction/formatting) and strict tool use (agentic workflows). Analyzes requirements, explains trade-offs, and delegates to specialized implementation skills. Not for simple text responses or unstructured outputs.

Comprehensive research combining web search and AI synthesis. Use for deep research on topics, comparing technologies, investigating libraries, and finding GitHub issues related to problems.

Master Python fundamentals, OOP, data structures, and scripting for data engineering

Creates interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly, Mermaid, vis-network, vis-timeline, Leaflet, Venn.js). Analyzes user requirements to route to the appropriate visualization type and generates complete MicroSim packages with HTML, JavaScript, CSS, documentation, and metadata.

Use when generating React/TypeScript UI components, forms, layouts, or pages - prevents generic AI aesthetic, enforces accessibility, semantic HTML, theme compliance, minimum text sizes, proper states, and brand differentiation

Test-driven development guidance for Tetris game logic. Use when writing tests, fixing test failures, improving test coverage, or implementing game mechanics. Auto-triggers on phrases like "write a test", "test this function", "improve coverage", "fix failing tests", or "add game logic". Emphasizes Result<T,E> pattern and property-based testing with fast-check.

Proactively analyze git repository status. Use automatically before git operations and during code reviews. Must be used when examining repository state, commit history, or file changes.

This skill validates WordPress FSE (Full Site Editing) theme structure including templates hierarchy, page associations, theme.json configuration, block styles, featured images usage, file permissions, and UpdraftPlus backup configuration. Use when auditing a WordPress site, after creating/modifying templates, before production deployment, or when troubleshooting backup issues.

Comprehensive Blazor development expertise covering Blazor Server, WebAssembly, and Hybrid apps. Use when building Blazor components, implementing state management, handling routing, JavaScript interop, forms and validation, authentication, or optimizing Blazor applications. Includes best practices, architecture patterns, and troubleshooting guidance.

Build AI-first applications with RAG pipelines, embeddings, vector databases, agentic workflows, and LLM integration. Master prompt engineering, function calling, streaming responses, and cost optimization for 2025+ AI development. Includes local LLM inference with Ollama for 93% CI cost reduction.

Capture content from JavaScript-rendered pages, login-protected sites, and multi-page documentation using Playwright MCP tools or Claude Chrome extension. Use when WebFetch fails on SPAs, dynamic content, or auth-required pages.

Write and debug GitHub Actions workflows. Use when the user says "create CI pipeline", "github actions", "workflow not working", "fix CI", "automate with github", or asks about GitHub Actions.