prompt-engineer

Design experiments, profile datasets, build models, and audit them for bias before shipping

Every field's professional best practices — your expert consultant in engineering, medicine, law, finance, and more. Anywhere, anytime.

Benchmark, evaluate, and optimize skills to ensure reliable performance across all LLMs

Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.

Tools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.

Complete creative writing suite with 10 specialized agents covering the full writing process: research gathering, character development, story architecture, world-building, dialogue coaching, editing/review, outlining, content strategy, believability auditing, and prose style/voice analysis. Includes genre-specific guides, templates, and quality checklists.