BUILDER BRIEFS Archive

AI Coding Agents

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Every published issue of Builder Briefs: AI Coding Agents. Each one is a dated page that stays up.

// Oct 21 to Oct 22, 2026

A $250 Codex security scan that returned 0 findings

Caching was the theme of the day, and the numbers were less exciting than the announcements. Elsewhere, a security scan that cost real money and found nothing, a review queue that needed a cap, and a...

5 storiesRead the 2026-10-22 issue ↗
// Oct 20 to Oct 21, 2026

66 forgotten worktrees, and git thought most of them were still open

The agents mostly did their jobs this time. What broke was everything around them: forgotten worktrees, a runner that misread a log line, and usage limits that drain at very different speeds...

5 storiesRead the 2026-10-21 issue ↗
// Oct 19 to Oct 20, 2026

Claude Code 2.1.303 deleted a worktree branch on /exit, and 2.1.304 fixes it

A day of agents doing what they were told, and a few things nobody told them. The useful posts came from people who checked the output instead of trusting the summary.

5 storiesRead the 2026-10-20 issue ↗
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