🔥 Claude Code is now writing 100% of its own code and its creator let it happen

Claude Code’s lead developer has admitted that every single contribution over the past 30 days was written by Claude itself not as an experiment, but as normal workflow.

🔸 The developer is Boris Cherny, widely regarded as the original creator and “founder” of Claude Code, which began as his side project in 2024.

🔸 In the last month alone, Claude Code:
• shipped 259 pull requests
• made 497 commits
• added ~40,000 lines of code
• deleted ~38,000 lines, with every line generated by Claude Code + Opus 4.5.

🔸 The human role has shifted to orchestration: prompts, reviews, architecture decisions not typing code.

🔸 Claude can now run continuously for minutes, hours, even days, using Stop hooks to manage long-lived development loops.

🔸 This isn’t toy automation or autocomplete, it’s end-to-end software production at scale, driven by the system itself.

🔸 What started as a side project has quietly become a proof point for a new programming paradigm.

Software development is crossing from human-written with AI assistance to AI-written with human supervision and this is likely the slowest this transition will ever be.

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