A free, open-source library called claude-skills has grown into the most comprehensive collection of reusable skill packages for AI coding agents, shipping more than 345 production-ready packages that ...

openspec - Spec-driven development with OpenSpec. pasteclaw - Use Pasteclaw.com API to create, update, group (session keys), and delete. pbe-extractor - Extract invariant principles from any text — ...

Anthropic Product Manager and Anthropic engineer Boris Cherny in a video introducing Claude Code on Feb 24, 2025. Anthropic.com Anthropic's Boris Cherny has stopped writing prompts. The creator and ...