Claude Code Playbooks is the largest free, open-source collection of ready-to-use CLAUDE.md configurations for Claude Code. With 239+ playbooks across 14 verticals and 23 categories, it covers everything from finance and accounting to marketing, legal compliance, HR, creative design, developer tools, and personal productivity. Every playbook is copy-paste ready — no setup complexity, no coding required. Just browse, copy the template into your project folder, and start using Claude Code with a pre-built workflow. Community-built, MIT licensed, and growing.