Claude Code Ultimate Guide: 20K-Line Community Resource with 655 Malicious Skills Catalogued Hits 3K+ Stars

GitHub / FlorianBruniaux·medium signal

Florian Bruniaux's claude-code-ultimate-guide — the result of 6 months of daily Claude Code practice — is trending on GitHub with 3,000+ stars. The repository includes a 20,000-line master guide, 41 Mermaid architecture diagrams, a 271-question self-assessment quiz, and notably a threat intelligence database cataloguing 24 CVE-mapped vulnerabilities and 655 malicious skills. Production-ready templates cover agents, commands, hooks, and multi-agent patterns, with case studies from Fountain (50% faster), Rakuten (7h autonomous work), and TELUS (500K hours saved).