Notes from production.

Postmortems, failure classes, and the runtime instrumentation we wish more agent teams shipped with.

No. 001

What Anthropic's April 23 postmortem says about agent reliability

Anthropic traced three Claude Code regressions to changes that cleared every pre-release gate. What the incident tells us about agent reliability.

7 min read
  • agent-reliability
  • runtime-firewall
  • postmortem