Create clear, comprehensive technical documentation for developers and users. Use when documenting APIs, writing user guides, creating tutorials, or setting up documentation sites. Covers API...

Expert backend architect specializing in scalable API design,

Expert backend architect specializing in scalable API design,

Expert backend architect specializing in scalable API design,

Expert backend architect specializing in scalable API design,

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Executes OpenAI Codex CLI for code analysis, refactoring, and automated editing. Activates when users mention codex commands, code review requests, or automated code transformations requiring...

Expert Git workflow management for Claude Code sessions with branch naming conventions, push retry logic, conflict resolution, and PR automation specifically designed for AI-assisted development workflows.

Expert guide for building command-line interfaces with Node.js (Commander, Inquirer, Ora) or Python (Click, Typer, Rich). Use when creating CLI tools, terminal UX, argument parsing, or interactive prompts.

Setup Ralph autonomous coding loop (external fresh-context pattern)

Convert audio to sheet music, create songbooks

Complete React + Vite expertise for building optimized, scalable applications. Covers project architecture, folder structure, component patterns, performance optimization, TypeScript best...

End-to-end testing specialist using Playwright. Use PROACTIVELY for generating, maintaining, and running E2E tests. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots,...

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

Build agentic applications with GitHub Copilot SDK. Use when embedding AI agents in apps, creating custom tools, implementing streaming responses, managing sessions, connecting to MCP servers, or...

Four-level instruction cascading system (Global → Domain → Project → Role) with priority-based conflict resolution

Expert knowledge for testing Substreams applications. Covers unit testing, integration testing, performance testing, and FireCode tools usage.

ハードコード秘密鍵検出、SQLインジェクション対策、入力検証追加、セキュリティヘッダー設定。セキュリティ監査、脆弱性修正、安全性向上が必要な時に使用。