Development

Coordinate multi-agent software development from requirements through verified implementation using spec-driven workflows. Use when planning features, creating technical specifications, implementing complex tasks through specialized agents, or managing spec-dev workflows (PLAN/BUILD/ITERATE).

Use when building frontend Web apps that talk to CloudBase Relational Database via @cloudbase/js-sdk – provides the canonical init pattern so you can then use Supabase-style queries from the browser.

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

System architecture design for Rust/WebAssembly projects. Creates ADRs,designs APIs, plans module structures, and documents architectural decisions.Never writes implementation code - focuses purely on design and documentation.

高品質なコードレビューを実施するスキル。セキュリティ、パフォーマンス、保守性、アーキテクチャの観点から包括的にレビューし、Must/Should/Nice to haveで優先順位付けした建設的なフィードバックを提供します。

Set up and configure Git pre-commit hooks for code quality, secrets scanning, and commit message validation. Use when installing git hooks, configuring pre-commit checks, or enforcing code standards.

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.

Debug .NET/ABP and React applications with systematic root cause analysis. Use when: (1) investigating bugs or errors, (2) analyzing stack traces, (3) diagnosing N+1 queries, (4) fixing async deadlocks, (5) resolving React state issues.

Guidelines for preparing changelog entries for nextest releases following Keep a Changelog format

Phase 2 of OSS contribution - Deep analysis combining issue requirements with codebase exploration. Extracts requirements, explores code structure, identifies exact code locations to fix, traces execution paths, and maps code-level changes needed. Use when starting work on selected issue.

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.

Modern TypeScript patterns and migration guidance for Deno: resource management with 'using', async generators, error handling, and Web Standard APIs. Use when migrating from Node.js, implementing cleanup logic, or learning modern JS/TS patterns.

REST and GraphQL API design best practices including HTTP methods, status codes, and documentation.

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.

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.

Performs code review with best practices