SHOW NOTES

One in twenty-five commits on GitHub is now written by Claude Code. That number doubled in a single month and is projected to reach one in five by the end of 2026. But the more interesting question isn't the size of the figure — it's why looking at it clearly is harder than it should be.

**In this episode:**

- The SemiAnalysis findings: 4% of GitHub public commits, 42,896x growth in 13 months

- Boris Cherny's 22 pull requests in a single day — and what that reveals about authorship

- Anthropic's own internal research: how its engineers are actually using Claude Code

- Why the aggregate and the individual don't speak the same language

- The question some engineers are asking quietly: are the skills they're not using skills they're keeping?

**Links:**

- SemiAnalysis: Claude Code and the GitHub commit data (February 2026)

- Anthropic internal research: Claude Code usage among Anthropic engineers (August 2025)

- Boris Cherny post on X: 100% AI-authored code, 22 PRs in a day

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