The mythical agent-month is the focus of this Changelog newsletter, drawing on Wes McKinney's framing to ask whether AI agents actually scale effort the way headcount once did. The answer, based on the surrounding pieces, is complicated and expensive.

Andreas Kling lays out why Ladybird, the independent browser engine, is adopting Rust. Cloudflare ships a new MCP server with a specific focus on efficiency. Elliot Bonneville argues the only remaining moat in AI is capital, not talent or tooling.

The McKinney thread and the Bonneville piece together make this worth reading in full. One diagnoses the productivity illusion, the other names who wins if the illusion holds. Install notes for Peon Ping, a tool to spin up AI worker agents, are also included.

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