2026-07-20
The week in the software factory: July 13–20, 2026
Bun's agent-fleet rewrite ignited the verification debate, Claude Code and Codex shipped harness controls, and the new MCP spec lands July 28.
What happened this week in building software with agents, read with an operator's eye: what changes a decision, and what is noise.
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Bun's agent-fleet rewrite ignited the verification debate, Claude Code and Codex shipped harness controls, and the new MCP spec lands July 28.