postgres-tuning
Senior Database Optimizer for PostgreSQL 17/18+, specialized in Asynchronous I/O (AIO), Query Plan Forensic, and Vector Index optimization.
mobile-pro
Senior Mobile Engineer. Expert in Expo SDK 54+, React Native New Architecture (Fabric), and Compose Multiplatform.
mcp-expert
Senior MCP Architect & Orchestrator. Master of MCP Apps, Server Development (2025-11-25 Spec), and Multi-Agent Tooling.
monorepo-master
Senior Monorepo Architect & Platform Engineer for 2026. Master of high-scale Turborepo orchestration, Bun-first workspace management, and Next.js 16/Tailwind 4 modular architectures. Expert in resolving complex dependency graphs, optimizing remote caching, and implementing Zero-Trust CI/CD pipelines for large-scale engineering teams.
memory-systems
Arquitectura de memoria por capas (Working, Episodic, Semantic, Procedural) para agentes, persistencia a largo plazo y estrategias de recuperación híbrida.
mermaid-diagram-pro
Senior Visualization Architect & Documentation Engineer for 2026. Specialized in Mermaid.js orchestration, Diagram-as-Code (DaC) workflows, and automated system behavior modeling. Expert in generating high-fidelity Sequence, ERD, Gitgraph, and State diagrams to visualize complex logic, data flows, and project timelines within the Gemini Elite Core.
prisma-expert
Senior specialist in Prisma 7, Rust-free query engines, and Edge-first database architecture. Use when optimizing queries, configuring TypedSQL, or deploying to serverless/edge environments in 2026.
product-pro
Senior AI Product Manager. Expert in Probabilistic Strategy, Rapid Agentic Prototyping, and Hypothesis Generation for 2026.
programmatic-seo-pro
Senior Programmatic SEO Architect & Data Engineer for 2026. Specialized in large-scale page generation using Next.js 16, dynamic metadata orchestration, and database-to-page automation. Expert in scaling content across thousands of long-tail segments while maintaining high E-E-A-T standards and optimizing for AI-driven Search Generative Experiences (SGE).
project-development
Metodología para el desarrollo de proyectos basados en agentes, desde la ideación y validación de "Task-Model Fit" hasta la arquitectura de pipelines de producción.
prompt-pro
Senior Prompt Engineer & Agentic Orchestrator. Expert in Reasoning Models (o3), Tree-of-Thoughts, and Structured Thinking Protocols for 2026.
react-expert
Senior specialist in React 19.2+ performance, React Compiler (Forget), and advanced architectural patterns. Use when optimizing re-renders, bundle size, data fetching waterfalls (cacheSignal), or server-side efficiency (PPR).
react-native-pro
Master of React Native (0.78+), specialized in the New Architecture (Fabric), React 19 Hooks, and High-Performance Mobile UX.
remotion-expert
Senior Specialist in Remotion v4.0+, React 19, and Next.js 16. Expert in programmatic video generation, sub-frame animation precision, and AI-driven video workflows for 2026.
scrum-conductor
Senior Agile Facilitator & Delivery Architect for 2026. Specialized in AI-enhanced Scrum orchestration, automated ticket management, and high-velocity sprint coordination. Expert in utilizing LLMs to synthesize daily updates, detect blockers before they arise, and maintain a high-integrity backlog across GitHub Issues, Jira, and linear.
secure-ai
Senior AI Security Architect. Expert in Prompt Injection Defense, Zero-Trust Agentic Security, and Secure Server Actions for 2026.
laravel-pro
Senior Architect of Laravel 12/13+ ecosystems, specialized in Modular Monoliths, Hexagonal Architecture, and High-Concurrency patterns.
json-render-expert
`json-render` (by Vercel Labs) is the 2026 standard for **Guardrailed AI User Interfaces**. Unlike raw LLM generations that often hallucinate or break, `json-render` forces AI models to work within a strictly defined **Catalog** of components validated by **Zod**. It specializes in **JSONL Patch Streaming**, allowing React components to render incrementally as bits of data arrive, ensuring sub-300ms perceived latency.
mermaid-diagrams
Comprehensive guide for creating software diagrams using Mermaid syntax. Use when users need to create, visualize, or document software through diagrams including class diagrams (domain modeling, object-oriented design), sequence diagrams (application flows, API interactions, code execution), flowcharts (processes, algorithms, user journeys), entity relationship diagrams (database schemas), C4 architecture diagrams (system context, containers, components), state diagrams, git graphs, pie charts, gantt charts, or any other diagram type. Triggers include requests to "diagram", "visualize", "model", "map out", "show the flow", or when explaining system architecture, database design, code structure, or user/application flows.
design-patterns-ruby
Comprehensive Ruby implementations of Gang of Four (GoF) design patterns. Use when implementing object-oriented design solutions, refactoring to reduce coupling, solving architecture problems, or when user mentions specific patterns (Factory, Singleton, Observer, Strategy, etc.) in Ruby context.
cucumber-gherkin
BDD testing with Cucumber and Gherkin for Ruby and Rails applications. Use when writing feature files (.feature), step definitions, hooks, or implementing Behaviour-Driven Development in Ruby/Rails projects. Covers Gherkin keywords (Feature, Scenario, Given/When/Then, Background, Scenario Outline, Rule), Ruby step definition patterns, Cucumber Expressions, hooks (Before/After/BeforeAll/AfterAll), tags, data tables, doc strings, World modules, and Capybara integration. Triggers on cucumber, gherkin, BDD, feature files, step definitions, acceptance testing, executable specifications.
brakeman
Static analysis security vulnerability scanner for Ruby on Rails applications. Use when analyzing Rails code for security issues, running security audits, reviewing code for vulnerabilities, setting up security scanning in CI/CD, managing security warnings, or investigating specific vulnerability types (SQL injection, XSS, command injection, etc.). Also use when configuring Brakeman, reducing false positives, or integrating with automated workflows.
vitest
Comprehensive Vitest testing framework guide with strong emphasis on Jest-to-Vitest migration. Covers automated migration using codemods, configuration setup, API differences, best practices, and troubleshooting. Use when migrating from Jest, setting up Vitest, writing tests, configuring test environments, or resolving migration issues. Primary focus is seamless Jest migration with minimal code changes.
javascript-unit-testing
Writing high-quality unit tests for JavaScript and TypeScript using Jest. Covers test structure (AAA pattern, USE naming), breaking dependencies (stubs, mocks, dependency injection), testing async code (promises, callbacks, timers), avoiding flaky tests, and test-driven development. Use when writing tests, debugging test failures, refactoring tests for maintainability, or questions about Jest, TDD, mocks, stubs, or test best practices.
eslint
Comprehensive ESLint agent for JavaScript/TypeScript code quality. Use when setting up ESLint, configuring linting rules, analyzing code for issues, fixing violations, or integrating ESLint into development workflows. Triggers on requests involving code quality, linting, static analysis, or ESLint configuration for JavaScript, TypeScript, React, or Node.js projects.
fowler
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sandi
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testprof
Diagnose and fix slow RSpec test suites using TestProf and proven optimization techniques. Use this skill whenever the user mentions slow tests, test suite performance, RSpec speed, profiling specs, TestProf, TagProf, let_it_be, TPS profiler, or complains that their test suite takes too long. Also use it when the user sees high GC time in tests, wants to parallelize with test-queue, or asks which profiler to run against an RSpec suite. Prefer this skill over generic performance advice whenever RSpec is in the picture.
simplecov
Comprehensive test coverage analysis and improvement for Ruby and Rails applications using SimpleCov and SimpleCov Console formatter. Automatically runs coverage reports, identifies gaps, suggests tests, and enforces coverage standards. Integrates with RubyCritic for holistic code quality. Use when running tests, analyzing coverage, improving test suites, or setting up coverage tracking in Ruby/Rails projects.
rubycritic
Integrate RubyCritic to analyze Ruby code quality and maintain high standards throughout development. Use when working on Ruby projects to check code smells, complexity, and duplication. Triggers include creating/editing Ruby files, refactoring code, reviewing code quality, or when user requests code analysis or quality checks.
rspec
Comprehensive RSpec testing for Ruby and Rails applications. Covers model specs, request specs, system specs, factories, mocks, and TDD workflow. Automatically triggers on RSpec-related keywords and testing scenarios.
review-ruby-code
Comprehensive Ruby and Rails code review using Sandi Metz rules and SOLID principles. Analyzes changed files in current branch vs base branch, runs rubycritic and simplecov, identifies OOP violations, Rails anti-patterns, security issues, code smells, and test coverage gaps. Outputs REVIEW.md with VSCode-compatible file links. Use when reviewing Ruby/Rails code, conducting code reviews, checking for design issues, pull request review, code quality analysis, or when user mentions Sandi Metz, POODR, 99 Bottles, SOLID, Law of Demeter, or "Tell Don't Ask".
rails
Comprehensive Ruby on Rails v8.1 development guide with detailed documentation for Active Record, controllers, views, routing, testing, jobs, mailers, and more. Use when working on Rails applications, building Rails features, debugging Rails code, writing migrations, setting up associations, configuring Rails apps, or answering questions about Rails best practices and patterns.
rails-generators
Create expert-level Ruby on Rails generators for models, services, controllers, and full-stack features, plus application templates for whole-app setup. Use when building custom generators, scaffolds, code generation tools, or Rails application templates (rails new -m, app:template, starter-app automation, multi-tenant setup), or when the user mentions Rails generators, Thor DSL, or automated code generation.
postgresql-rails-analyzer
Comprehensive PostgreSQL configuration and usage analysis for Rails applications. Use when Claude Code needs to analyze a Rails codebase for database performance issues, optimization opportunities, or best practice violations. Detects N+1 queries, missing indexes, suboptimal database configurations, anti-patterns, and provides actionable recommendations. Ideal for performance audits, optimization tasks, or when users ask to "analyze the database", "check for N+1 queries", "optimize PostgreSQL", "review database performance", or "suggest database improvements".
kamal
Deploy containerized web applications to any Linux server using Kamal 2. Use when users need to deploy, configure, debug, or manage Kamal deployments including initial setup, configuration of deploy.yml, deployment workflows, rollbacks, managing accessories (databases, Redis, Litestream), troubleshooting deployment issues, CI/CD integration, multi-environment setups, or understanding Kamal commands and best practices. Also use when working with Kamal Proxy, Docker-based deployments, zero-downtime deploys, or 37signals deployment tooling.
github-actions
Create, evaluate, and optimize GitHub Actions workflows and custom actions. Use when building CI/CD pipelines, creating workflow files, developing custom actions, troubleshooting workflow failures, performing security analysis, optimizing performance, or reviewing GitHub Actions best practices. Covers Ruby/Rails, TypeScript/Node.js, Heroku and Fly.io deployments.
tailscale
Comprehensive Tailscale VPN setup, configuration, and management for mesh networking, secure access, and zero-trust infrastructure. Covers installation, CLI commands, subnet routers, exit nodes, Tailscale SSH, ACL/grants configuration, MagicDNS, Tailscale Serve/Funnel, API automation, and production deployment best practices. Use when setting up Tailscale, configuring tailnet access controls, deploying subnet routers or exit nodes, enabling Tailscale SSH, exposing services with Serve/Funnel, automating via the Tailscale API, troubleshooting connectivity, or planning production Tailscale deployments.
rubocop
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ruby
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intershop-icm-best-practices
Intershop Commerce Management (ICM) backend development best practices. This skill should be used when writing, reviewing, or refactoring ICM Java code to ensure optimal patterns for customization, performance, B2B features, security, testing, and maintainability. Triggers on tasks involving ICM cartridge development, REST API creation, business objects, pipelines, database operations, jobs, events, or search.
storyblok-best-practices
Comprehensive Storyblok CMS development best practices for agency developers. Covers content modeling, SDK integration (React, Vue, Nuxt, Next.js), Visual Editor configuration, field plugins, API usage, internationalization, webhooks, and deployment patterns. Triggers on tasks involving Storyblok components, Visual Editor setup, content fetching, field plugin development, or headless CMS integration.
shopware6-best-practices
Comprehensive Shopware 6.6+ development best practices for agency developers. Covers backend PHP, storefront Twig/JS, administration Vue.js, app system, integrations, CLI, multi-channel, and DevOps. Triggers on tasks involving plugin development, storefront customization, admin modules, app creation, payment/shipping integrations, or deployment.
pocketbase-best-practices
PocketBase development best practices covering collection design, API rules, authentication, SDK usage, query optimization, realtime subscriptions, file handling, deployment, and server-side extending (Go + JSVM). Current as of PocketBase v0.40 and JS SDK v0.28. Use when building PocketBase backends, designing schemas, implementing access control, setting up auth flows, or optimizing performance.
git-pr-autofix
Automated PR review-fix loop: request bot reviews, poll for responses, analyze comments, fix code, internal review, push, repeat until no critical issues remain. Use when user says 'autofix PR', 'fix PR reviews', 'PR review loop', or '/git-pr-autofix'.
resume-coach
Use when user wants coaching-style resume improvement rather than simple AI rewriting. Guides users through a structured discovery process to uncover hidden strengths and create genuine differentiation for a target job posting.
vs-design-diverge
Create non-generic, high-entropy frontend interfaces using Verbalized Sampling (VS) to break mode collapse and maximize design creativity. Use when the user wants to explore multiple distinct design directions, compare aesthetic options before committing, or explicitly asks to avoid generic AI-looking design (e.g. "make it less generic", "show me bolder options", "explore different design directions"). For a single polished implementation without direction exploration, use frontend-for-opus-4-5 instead.
frontend-for-opus-4-5
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Produces one committed, polished design direction; for exploring multiple contrasting design directions, use vs-design-diverge instead.
experts
Use when user seeks domain-specific expertise shaped by a practitioner's methodology, not just information. The user wants their work approached from a recognized expert's perspective - how would [specific expert] solve this problem, write this code, design this system.
lsp-enable
Use when navigating code, understanding unfamiliar functions, finding definitions or references, tracing call hierarchies, preparing for refactoring, or analyzing code impact. Enforces LSP-first semantic code intelligence with mandatory pre-edit checks, impact analysis before refactoring, and post-edit diagnostics. Provides IDE-like precision for code operations in large codebases. Covers navigation (goToDefinition, findReferences), understanding (hover, documentSymbol), and call analysis (incomingCalls, outgoingCalls).
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