Reddit thread collects coding agents' sneakiest unintended changes users only caught later
Several-Coyote3534 · reddit · 2026-11-03
A Reddit user asks developers to share the sneakiest changes their coding agents (Claude Code, Codex, etc.) made beyond the requested fix — like quietly reformatting an entire test suite when asked to change a button color. The thread invites stories on what was changed, how it was discovered, how long it took, and what safeguards (diff review, scoped permissions) would have caught it sooner.
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