react-state-machine
Building reusable React state machine skills with XState v5 and the actor model
playwright
Playwright modern end-to-end testing framework with cross-browser automation, auto-wait, and built-in test runner
espocrm
Comprehensive guide for developing on EspoCRM - metadata-driven CRM with service layer architecture
supabase
Supabase open-source Firebase alternative with Postgres, authentication, storage, and realtime subscriptions. Use when building full-stack applications requiring integrated backend services with Next.js, React, or Vue.
neon
Neon serverless Postgres with autoscaling, instant database branching, and zero-downtime deployments. Use when building serverless applications, implementing database branching for dev/staging, or deploying with Vercel/Netlify.
netlify
Netlify JAMstack deployment platform with serverless functions, forms, and identity
datadog
Full-stack observability with Datadog APM, logs, metrics, synthetics, and RUM. Use when implementing monitoring, tracing, alerting, or cost optimization for production systems.
sqlalchemy
SQLAlchemy Python SQL toolkit and ORM with powerful query builder, relationship mapping, and database migrations via Alembic
django
Django full-featured Python web framework with batteries included (ORM, admin, auth)
code-quality
Python code-quality anti-patterns and review checks: exception-hierarchy correctness, singleton identity comparison, narrow exception handling, wildcard-import avoidance, magic-number naming, and dead-local removal. Use when reviewing or self-reviewing Python code for correctness and readability defects that linters and reviewers should catch.
pyright
Pyright fast Python type checker from Microsoft with VS Code integration and strict type checking modes
desktop-applications
Build cross-platform desktop applications with Rust using Tauri framework and native GUI alternatives
tauri
Advanced Tauri event patterns for bidirectional communication, streaming data, window-to-window messaging, and custom event handling
cargo-release
PM-invocable protocol for Cargo publish and release operations in the trusty-tools Rust monorepo: semver rules, 10-step release sequence, macOS codesign safety, and cross-crate dependency ordering
rust-quality-gate
PM-invocable protocol for running and interpreting Rust quality gates in the trusty-tools monorepo: fmt, clippy, and test in strict sequence before any merge
trpc
tRPC end-to-end type-safe APIs for TypeScript with React Query integration and full-stack type safety
drizzle
Type-safe SQL ORM for TypeScript with zero runtime overhead
prisma
Prisma ORM for TypeScript - Type-safe database toolkit with schema-first development, auto-generated client, migrations, relations, and Prisma Studio
nodejs-backend
Node.js backend development with TypeScript, Express/Fastify servers, routing, middleware, and database integration
jest
Jest with TypeScript - Industry standard testing framework with 70% market share, mature ecosystem, React Testing Library integration
shadcn
shadcn/ui component library for React with Tailwind CSS - copy-paste accessible components with full code ownership
tailwind
Tailwind CSS utility-first framework for rapid UI development with responsive design and dark mode
api-review
API security checklist for reviewing endpoints before deployment. Use when creating or modifying API routes to ensure proper authentication, authorization, and input validation.
vb-database
ADO.NET patterns, Entity Framework, database best practices
vb-winforms
Windows Forms development patterns, UI threading, data binding
vb6-legacy
Classic VB6 patterns, COM interop, migration strategies
vb-core
Core VB.NET patterns, type safety, modern language features
brainstorming
Interactive idea refinement using Socratic method to develop fully-formed designs
dispatching-parallel-agents
Use multiple Claude agents to investigate and fix independent problems concurrently
gh-cli
Reliably drive the GitHub gh CLI for issue, PR, and label operations in automation and subagent environments, with pre-flight verification so you never fabricate a success or a fake issue URL.
requesting-code-review
Dispatch code-reviewer subagent to review implementation against plan or requirements before proceeding
writing-plans
Create detailed implementation plans with bite-sized tasks for engineers with zero codebase context
root-cause-tracing
Systematically trace bugs backward through call stack to find original trigger
clickhouse-best-practices
MUST USE when reviewing ClickHouse schemas, queries, or configurations. Contains 31 rules that MUST be checked before providing recommendations. Always read relevant rule files and cite specific rules in responses.
chdb-datastore
>-
chdb-sql
>-
clickhouse-architecture-advisor
MUST USE when designing ClickHouse architectures, selecting between ingestion or modeling patterns, or translating best practices into workload-specific system designs. Complements clickhouse-best-practices with decision frameworks and explicit provenance labels.
clickhouse-js-node-coding
>
clickhouse-js-node-rowbinary
>
clickhouse-js-node-troubleshooting
>
clickhouse-managed-postgres-rca
MUST USE when investigating performance issues on a ClickHouse-managed Postgres instance. Provides an evidence-based RCA workflow that scrapes the Prometheus endpoint for system signal, pulls per-digest evidence from the Slow Query Patterns API, and recommends (does not apply) a fix.
clickhousectl-cloud-deploy
Use when a user wants to deploy ClickHouse to the cloud, go to production, use ClickHouse Cloud, host a managed ClickHouse service, or migrate from a local ClickHouse setup to ClickHouse Cloud.
css-styling-expert
CSS architecture and styling expert with deep knowledge of modern CSS features, responsive design, CSS-in-JS optimization, performance, accessibility, and design systems. Use PROACTIVELY for CSS layout issues, styling architecture, responsive design problems, CSS-in-JS performance, theme implementation, cross-browser compatibility, and design system development. If a specialized expert is better fit, I will recommend switching and stop.
database-expert
Database performance optimization, schema design, query analysis, and connection management across PostgreSQL, MySQL, MongoDB, and SQLite with ORM integration. Use this skill for queries, indexes, connection pooling, transactions, and database architecture decisions.
documentation-expert
Expert in documentation structure, cohesion, flow, audience targeting, and information architecture. Use PROACTIVELY for documentation quality issues, content organization, duplication, navigation problems, or readability concerns. Detects documentation anti-patterns and optimizes for user experience.
git-expert
Git expert with deep knowledge of merge conflicts, branching strategies, repository recovery, performance optimization, and security patterns. Use PROACTIVELY for any Git workflow issues including complex merge conflicts, history rewriting, collaboration patterns, and repository management. If a specialized expert is a better fit, I will recommend switching and stop.
playwright-expert
Playwright E2E testing expert for browser automation, cross-browser testing, visual regression, network interception, and CI integration. Use for E2E test setup, flaky tests, or browser automation challenges.
postgres-expert
PostgreSQL query optimization, JSONB operations, advanced indexing strategies, partitioning, connection management, and database administration. Use this skill for PostgreSQL-specific optimizations, performance tuning, replication setup, and PgBouncer configuration.
refactoring-expert
Expert in systematic code refactoring, code smell detection, and structural optimization. Use PROACTIVELY when encountering duplicated code, long methods, complex conditionals, or any code quality issues. Detects code smells and applies proven refactoring techniques without changing external behavior.
research-expert
Specialized research expert for parallel information gathering. Use for focused research tasks with clear objectives and structured output requirements.
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