Data & AI

Generate and maintain the FastAPI backend structure for the RAG chatbot with proper project organization.

AWS, GCP, Azure data platforms, infrastructure as code, and cloud-native data solutions

Database schemas, table specifications, and migration information. Use when working with database structure or queries.

Patterns for hierarchical/multilevel Bayesian models including random effects, partial pooling, and centered vs non-centered parameterizations.

Conversational brainstorming partner for capturing fleeting thoughts, reading notes,papers, videos, and online discoveries. Casual/collegial voice, one question at a time,routes captures to appropriate vault locations.

Comprehensive SaaS architecture planner for Next.js + Supabase applications. Converts ideas into production-ready technical plans with database schemas, file structures, feature breakdowns, and week-by-week development roadmaps. Use when planning subscription-based applications, multi-tenant SaaS products, or building from idea to launch.

This skill should be used when setting up, configuring, or initializing Tailwind CSS (v3 or v4) and shadcn/ui for Next.js 16 App Router projects. Configure dark mode, design tokens, base layout with header/sidebar, accessibility defaults, and generate example components. Includes comprehensive setup automation, theme customization, and production-ready patterns. Use when the user requests "setup Tailwind", "configure shadcn/ui", "add dark mode", "initialize design system", or "setup UI framework" for Next.js projects.

Create and manage database migrations with reversible changes, proper naming conventions, and zero-downtime deployment considerations. Use this skill when creating new database migrations, modifying schema changes, adding or removing tables/columns, creating indexes, or managing data migrations. When working on files in migrations/, db/migrate/, alembic/, or prisma/migrations/ directories. When writing up/down migration methods, planning schema changes for production deployments, or reviewing migration files for safety and rollback capability.

Expert code reviewer for TypeScript + React 19 applications. Use when reviewing React code, identifying anti-patterns, evaluating state management, or assessing code maintainability. Triggers: code review requests, PR reviews, React architecture evaluation, identifying code smells, TypeScript type safety checks, useEffect abuse detection, state management review.

Test implementations against requirements, collect feedback, and create improvement loops

Start a session with context from previous work. Triggers on /open, 'what were we working on', 'where did we leave off', or session start. Pairs with /ground and /close. (user)

Maintain multilingual README versions (English primary, Chinese translation).LOAD THIS SKILL WHEN: User says "翻譯", "translate", "i18n", "多語言", "中英文" | README.md changes | need bilingual docs.CAPABILITIES: Sync README.md and README.zh-TW.md, terminology consistency, section alignment, translation quality.

Guide for creating effective tools for AI agents. Use when building MCP tools, agent APIs, or any tool interface that agents will consume. Focuses on token efficiency, meaningful context, and proper namespacing.

Use when editing or polishing results sections with missing statistical details, unclear evidence presentation, or poor figure integration - ensures rigorous reporting (n=, P values), multi-method validation, and active voice presentation

Documentation management skill for audit, creation, and maintenance. Enforces documentation standards, checks for staleness and broken references, auto-fixes issues, and ensures docs are created in correct locations. Use when user says "check docs", "audit docs", "fix docs", "create doc", "archive docs", or when scattered .md files are detected.

Comprehensive JWT authentication expert for senior developers (10+ years experience). Intelligently detects project language/framework and implements production-ready JWT auth systems with refresh tokens, secure HTTP-only cookies, token rotation, blacklisting, RBAC, MFA, and complete security. Covers Express, FastAPI, Next.js, React, Django, Flask, NestJS, and more. Automatically audits JWT implementations, generates complete auth systems (registration, login, logout, refresh, password reset), implements middleware, prevents XSS/CSRF attacks, uses bcrypt/argon2 hashing, and follows OWASP best practices. Use for implementing JWT authentication, token refresh flows, secure cookie storage, protected routes, role-based access control, security audits, and complete auth system generation.

Expert guidance for writing resilient end-to-end tests that span multiple processes and components. Use this skill when reviewing, writing, or refactoring system-wide e2e tests. Covers user-facing scenarios, helper functions, data factories, ARIA-based selectors, and auto-retriable assertions. NOT for unit/integration tests - use testing-unit-integration skill instead. See references/playwright-resilience.md for detailed selector patterns.

Semantic compression of verbose documentation into OCTAVE format achieving 60-80% reduction with 100% decision-logic fidelity. Use when converting natural language to OCTAVE, streamlining documentation, creating semantic density, optimizing agent prompts, or compressing knowledge artifacts. Triggers on: octave compression, compress to octave, semantic compression, documentation streamlining, OCTAVE optimization, compress documentation, semantic density.

Guide for creating Claude Code hooks. This skill should be used when users want to create, modify, or troubleshoot hooks that automate actions at specific points in Claude Code's workflow, such as validating code before commits, running linters after edits, or protecting sensitive files.

WHEN: iOS Swift/SwiftUI code review, UIKit patterns, Combine/async-await checks, MVVM structure analysisWHAT: SwiftUI best practices + Combine patterns + Memory management + Performance optimization + Architecture patternsWHEN NOT: Cross-platform → flutter-reviewer, Android → kotlin-android-reviewer