Expert guidance for fetching and parsing web content from URLs, handling various content sizes, JavaScript-rendered sites, and working around tool limitations. Use when fetching articles, documentation, social media posts, or any web content for translation, analysis, or archiving.
JavaScript/Node.js testing best practices with Vitest. Use when writing tests, achieving test coverage, or working with JavaScript/TypeScript test files.
Software engineering best practices for code review. Use when reviewing code, analyzing code quality, checking for bugs, security vulnerabilities, or providing feedback on code changes.
Expert knowledge in creating and configuring Claude Code components (subagents, skills, slash commands, hooks, MCP integrations). Use when the user asks to create, modify, or extend .claude/ directory components. Follows official best practices and documentation standards.
Expert knowledge in document and essay writing conventions for English, Japanese, and Chinese (Traditional). Use when writing or translating formal documents, essays, articles, reports, or professional communications. Provides language-specific writing styles, formatting conventions, and rhetorical patterns.
Expert translation methodology and best practices for English-Japanese-Chinese (Traditional) trilingual translation. Use when translating any content between these languages, including handling idioms, cultural nuances, and language-specific expressions. Provides translation workflows and quality assurance methods.
Expert knowledge in engineering, technical, and scientific terminology across English, Japanese, and Chinese (Traditional). Use when translating technical documents, engineering specifications, API documentation, or scientific papers. Provides accurate technical term translations and domain-specific vocabulary.