Core component library and design system patterns. Use when building UI, using design tokens, or working with the component library.

Expert data scientist for advanced analytics, machine learning, and

Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.

Docker containerization expert with deep knowledge of multi-stage builds, image optimization, container security, Docker Compose orchestration, and production deployment patterns. Use PROACTIVELY for Dockerfile optimization, container issues, image size problems, security hardening, networking, and orchestration challenges.

Master Flutter development with Dart 3, advanced widgets, and

Expert patterns for HubSpot CRM integration including OAuth authentication, CRM objects, associations, batch operations, webhooks, and custom objects. Covers Node.js and Python SDKs. Use when: hubspot, hubspot api, hubspot crm, hubspot integration, contacts api.

Master Java 21+ with modern features like virtual threads, pattern

Draft privacy policies, terms of service, disclaimers, and legal

Makepad UI development skills for Rust apps: setup, patterns, shaders, packaging, and troubleshooting.

Provide proven marketing strategies and growth ideas for SaaS and software products, prioritized using a marketing feasibility scoring system.

Expert in launching small, focused SaaS products fast - the indie hacker approach to building profitable software. Covers idea validation, MVP development, pricing, launch strategies, and growing to sustainable revenue. Ship in weeks, not months. Use when: micro saas, indie hacker, small saas, side project, saas mvp.

Expert patterns for Neon serverless Postgres, branching, connection pooling, and Prisma/Drizzle integration Use when: neon database, serverless postgres, database branching, neon postgres, postgres serverless.

Expert patterns for Plaid API integration including Link token flows, transactions sync, identity verification, Auth for ACH, balance checks, webhook handling, and fintech compliance best practices. Use when: plaid, bank account linking, bank connection, ach, account aggregation.

Expert in strict POSIX sh scripting for maximum portability across

Monitor portfolio risk, R-multiples, and position limits. Creates

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Build Slack apps using the Bolt framework across Python, JavaScript, and Java. Covers Block Kit for rich UIs, interactive components, slash commands, event handling, OAuth installation flows, and Workflow Builder integration. Focus on best practices for production-ready Slack apps. Use when: slack bot, slack app, bolt framework, block kit, slash command.

Get paid from day one. Payments, subscriptions, billing portal, webhooks, metered billing, Stripe Connect. The complete guide to implementing Stripe correctly, including all the edge cases that will bite you at 3am. This isn't just API calls - it's the full payment system: handling failures, managing subscriptions, dealing with dunning, and keeping revenue flowing. Use when: stripe, payments, subscription, billing, checkout.

Tailwind CSS v4 principles. CSS-first configuration, container queries, modern patterns, design token architecture.

Expert in building Telegram Mini Apps (TWA) - web apps that run inside Telegram with native-like experience. Covers the TON ecosystem, Telegram Web App API, payments, user authentication, and building viral mini apps that monetize. Use when: telegram mini app, TWA, telegram web app, TON app, mini app.

Three.js skills for creating 3D elements and interactive experiences

Build tools that agents can use effectively, including architectural reduction patterns

Trigger.dev expert for background jobs, AI workflows, and reliable async execution with excellent developer experience and TypeScript-first design. Use when: trigger.dev, trigger dev, background task, ai background job, long running task.

Create interface designs, wireframes, and design systems. Masters

Upstash QStash expert for serverless message queues, scheduled jobs, and reliable HTTP-based task delivery without managing infrastructure. Use when: qstash, upstash queue, serverless cron, scheduled http, message queue serverless.

Prevents Git Bash path conversion issues when running Anubis commands on Windows. Use when building targets with `cargo run` or `anubis.exe` that use `//` target paths.

Implement type-safe configuration with anyway_config gem. Use when creating configuration classes, replacing ENV access, or managing application settings. Triggers on configuration, environment variables, settings, secrets, or ENV patterns.

Toolkit for generating custom widgets from scratch for Marimo.

Expert guidance for Apache NiFi Registry including flow versioning, buckets, Git integration, security, and registry client configuration. Use this when working with flow version control and registry management.

Quick start examples. For complete implementation details, see [reference.md](reference.md).

Enterprise patterns provide scalable, maintainable architecture for Salesforce Apex development. This skill provides framework-agnostic guidance for building robust, secure, and performant Apex code u

Build and maintain apex articles—human-readable synthesis pieces.

Implement secure API authentication with JWT, OAuth 2.0, API keys, and session management. Use when securing APIs, managing tokens, or implementing user authentication flows.

Secure API authentication with JWT, OAuth 2.0, API keys. Use for authentication systems, third-party integrations, service-to-service communication, or encountering token management, security headers, auth flow errors.

FastAPI 엔드포인트 상태 점검. async 패턴, Pydantic 모델, 캐싱, 에러 핸들링 검토

REST API client builder with authentication, error handling, retry logic, and request management. Supports OAuth, JWT, API keys. Use when building API integrations, creating API clients, or working with REST services.

Centralized TypeScript API client with typed namespaces, automatic token refresh with request deduplication, TanStack Query integration, and consistent error handling.

Use when working with api-codegen-universal

Connect to REST APIs, manage authentication, and process responses. Use for API integration tasks.

Define and validate API contracts using Zod

Garantir une **communication parfaite** entre Frontend (Next.js) et Backend (NestJS) via des contrats API cohérents, types synchronisés et validation standardisée.

Create a new Laravel API controller following this project's patterns. Use when creating new API endpoints, CRUD controllers, or backoffice controllers.

Securely manages API credentials for multiple providers (Anthropic Claude, Google Gemini, GitHub). Use when skills need to access stored API keys for external service invocations.

API design and implementation. Use for 'API', 'endpoint', 'route' requests

Standards for creating and organizing HTTP API endpoints using the Echo framework

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ALL API responses MUST use standard envelope pattern. NEVER return raw Convex docs or plain data. Consistent structure enables mobile clients, monitoring, caching.

Builds flexible API filtering and sorting systems with query parameter parsing, validation, and security. Use when implementing search endpoints, building data grids, or creating dynamic query APIs.

AWS API Gateway for REST and HTTP API management. Use when creating APIs, configuring integrations, setting up authorization, managing stages, implementing rate limiting, or troubleshooting API issues.