A Claude Code incident replay forks into a faithful path using captured MCP evidence and a misleading path that calls today's live tools

Your Claude Code incident replay used today's tool output

The same prompt and repository commit produced a clean replay because an MCP tool returned newer evidence. The team had rerun the task, not reproduced the incident.

September 13, 2026 · 6 min · 1138 words · Thomas De Vos
Read Your Claude Code incident replay used today's tool output
A Claude Code trace with a missing MCP tool event is blocked by a completeness gate before replay and review

Make Claude Code prove its trace is complete before replay

A clean replay can be dangerously reassuring when the original trace dropped the tool call that changed production. Add sequence checks, expected-event accounting, and a completeness receipt before review.

August 24, 2026 · 7 min · 1469 words · Thomas De Vos
Read Make Claude Code prove its trace is complete before replay