Two founders are writing code again. Mark Zuckerberg is shipping diffs at Meta for the first time in roughly 20 years, and Garry Tan at Y Combinator has returned to hands-on coding 15 years after stepping back. The catalyst in both cases: AI coding agents lowering the friction enough to pull executives back into the editor.

Claude Code had a bad week. A sourcemap file was accidentally uploaded, leaking the tool's source code and exposing two things: Anthropic uses anti-distillation techniques to block competitors from learning from its outputs, and a background always-on agent is likely in development. Anthropic then issued DMCA copyright strikes over the leak, which raised a harder question the industry has not answered: can fully AI-generated code be protected by copyright at all.

The rest of the issue is worth reading for the operational details. Meta has set internal targets for the percentage of code to be AI-generated. GitHub Copilot briefly shipped ads, then pulled them back. Oracle is cutting significant headcount. RAM prices are falling, but the piece explains why that relief may be temporary. The founder coding trend is the story to watch: the honeymoon period with AI agents will end, and how technical executives respond when the tools fail will reveal whether this is a real shift or a phase.

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