core-design-principles
Apply Black-Tortoise design principles (Occam, cohesion/coupling, tool-first assembly, explicit boundaries, deletion-friendly evolution) to a concrete change request; use as a pre-flight checklist before writing code.
material-design-3
Material Design 3 (Material You) design system knowledge for modern web and Angular applications. Use when implementing Material Design 3 theming, components, typography, color systems, dynamic color, accessibility patterns, or migrating from Material Design 2. Covers design tokens, theming APIs, and Material You principles.
mcp-codacy
Use the Codacy MCP server (@codacy/codacy-mcp) to run static analysis, retrieve findings, and focus remediation on high-signal issues; use when you need code quality feedback aligned with repo gates (lint, build, architecture:gate).
unidirectional-data-flow
Enforce unidirectional data flow in a change: define explicit commands, keep writes in Application, expose state via signals, and isolate side effects at boundaries.
evolution-maintainability
Apply evolution & maintainability principles to a change: keep interfaces minimal, improve ownership/naming, prefer deletion-friendly refactors, and align with quality gates.
change-management
Keep interfaces stable and changes reviewable; includes ADR-lite guidance and deprecation/deletion checks.
centralized-state-distributed-behavior
Apply centralized state + distributed behavior to a change: choose the single source of truth, keep writes through explicit commands, and place behavior in the correct owning layer.
postgresql-expert
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redis-expert
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bun-expert
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elysiajs-expert
Expert guidance for ElysiaJS web framework development. Use when building REST APIs, GraphQL services, or WebSocket applications with Elysia on Bun. Covers routing, lifecycle hooks, TypeBox validation, Eden type-safe clients, authentication with JWT/Bearer, all official plugins (OpenAPI, CORS, JWT, static, cron, GraphQL, tRPC), testing patterns, and production deployment. Assumes bun-expert skill is active for Bun runtime expertise.
zig-expert
Comprehensive Zig 0.15.2 development expert. Use when writing Zig code, debugging memory issues, designing build systems, implementing comptime metaprogramming, handling errors, or cross-compiling. Automatically activated for any .zig file or build.zig work.
agent-browser
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
compound-engineering
Compound Engineering workflow for AI-assisted development. Use when planning features, executing work, reviewing code, or codifying learnings. Follows the Plan → Work → Review → Compound loop where each unit of engineering makes subsequent work easier. Triggers on: plan this feature, implement this, review this code, compound learnings, create implementation plan, systematic development.
ralph
Autonomous feature development - setup and execution. Triggers on: ralph, set up ralph, run ralph, run the loop, implement tasks. Two phases: (1) Setup - chat through feature, create tasks with dependencies (2) Loop - pick ready tasks, implement, commit, repeat until done.
docx
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
prd
Generate a Product Requirements Document (PRD) for a new feature. Use when planning a feature, starting a new project, or when asked to create a PRD. Triggers on: create a prd, write prd for, plan this feature, requirements for, spec out.
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.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.
supabase-best-practices
Supabase security and performance guidelines with Clerk authentication integration. Contains 40+ rules across 10 categories covering RLS policies, Clerk setup, database security, and more.
AI Integration Specialist
Integrate AI tools and APIs into business workflows and applications
A/B Test Designer
Design statistically valid A/B tests for marketing optimization
Accounts Reconciler
Automate account reconciliation by matching transactions, identifying discrepancies, and generating variance reports
Ad Copy Writer
Write high-converting advertising copy for paid media campaigns
Advisory Board Builder
Recruit, structure, and manage advisory boards for strategic guidance
Affiliate Marketing Manager
Set up and manage affiliate marketing programs for growth and revenue
Agent Orchestrator
Coordinate multiple AI agents and skills for complex workflows
Agent Workflow Builder
Build multi-agent AI workflows with orchestration, tool use, and state management
AI Safety Auditor
Audit AI systems for safety, bias, and responsible deployment
Announcement Drafter
Write clear, impactful company announcements for any audience
api-documentation-writer
Expert guide for writing comprehensive API documentation including OpenAPI specs, endpoint references, authentication guides, and code examples. Use when documenting APIs, creating developer portals, or improving API discoverability.
appstore-readiness
Expert iOS App Store submission and approval system. 9 specialized agents providing senior App Review Team-level expertise across compliance, design, privacy, monetization, metadata, technical requirements, timing, rejection recovery, and learning. Triggers on keywords like app store, iOS submission, apple review, app rejection, aso, privacy manifest, privacy labels, ATT, iap, in-app purchase, subscription, storekit, review guidelines, HIG, testflight, app store connect.
Audience Segmenter
Segment audiences for targeted marketing and personalized messaging
Automation Architect
Design workflow automations using Zapier, Make, n8n, and other automation tools
Billing Manager
Manage billing operations including invoice generation, payment tracking, and subscription lifecycle
email-marketing
Create email marketing campaigns including newsletters, drip sequences, promotional emails, and transactional emails. Use when writing email copy, designing email templates, or planning email automation.
devops
DevOps practices for web development including Docker, CI/CD, deployment, monitoring, and infrastructure as code. Use when setting up deployment pipelines, containerizing applications, configuring servers, or implementing DevOps workflows.
bug-fix
Systematically diagnose and fix bugs by reproducing issues, identifying root causes, implementing fixes, and preventing regressions. Use when debugging errors, fixing issues, or troubleshooting problems.
api-endpoint
Create REST or GraphQL API endpoints with proper validation, error handling, authentication, and documentation. Use when building backend APIs or serverless functions.
git-workflow
Follow Git best practices for commits, branches, pull requests, and version control workflows. Use when making commits, creating PRs, managing branches, or resolving conflicts.
graphql
GraphQL API development including schema design, resolvers, queries, mutations, subscriptions, and integration with Node.js, Apollo, and other frameworks. Use when building GraphQL APIs, designing GraphQL schemas, implementing resolvers, or debugging GraphQL issues.
accessibility
Web accessibility (a11y) best practices for WCAG 2.1 AA compliance, ARIA attributes, keyboard navigation, screen reader support, and inclusive design. Use when auditing accessibility, implementing accessible features, fixing a11y issues, or when user mentions WCAG, accessibility, screen readers, or keyboard navigation.
frontend-design
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). Generates creative, polished code and UI design that avoids generic AI aesthetics.
code-review
Perform thorough code reviews focusing on security, performance, best practices, and maintainability. Use when reviewing PRs, checking code quality, or auditing existing code.
html-markup
Write semantic, accessible HTML5 markup following best practices for structure, SEO, and accessibility. Use when creating HTML templates, fixing markup issues, or building web page structures.
javascript
Write modern JavaScript/ES6+ code following best practices for performance, security, and maintainability. Use when writing JS code, fixing bugs, or implementing frontend functionality.
css-styling
Write modern, maintainable CSS using best practices for layouts, responsive design, animations, and CSS architecture. Use when styling websites, fixing CSS issues, or implementing designs.
database
Database design, optimization, and management for SQL and NoSQL databases. Covers schema design, indexing, query optimization, migrations, and database best practices. Use when designing database schemas, optimizing queries, troubleshooting database performance, or implementing data models.
customer-support
Handle customer support tickets for themes and plugins with empathy, clarity, and efficiency. Use when responding to support tickets, troubleshooting issues, writing help responses, or managing Zoho Desk/support queues.
cleanup
Weekly Claude Code maintenance - cleans debug logs, shell snapshots, and old todo files to free up disk space. Run this weekly to keep Claude Code lean.
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