503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Anthropic outage — June 3, 2026

Not really touched on here, but one thing I found very useful in switching to nix is having your entire system defined in a single repo opens it up for very nic

Anthropic’s Claude Code was disrupted on June 3, 2026.

Key facts

DetectedJune 3, 2026 · 04:18 UTC
Confirmed04:18 UTC
ResolvedJuly 22, 2026 · 05:24 UTC
ServiceClaude Code

Timeline

  1. 04:18Z

    Detected · Signal

    8 crowd signals for Claude Code on ANTHROPIC crossed the signal threshold.
  2. 04:18Z

    Confirmed · Official

    An official ANTHROPIC status-page notice corroborated the event the same cycle.
  3. 05:24Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for claude-code on ANTHROPIC. 8 crowd reports across bluesky, hn_comments, mastodon (independent class), z=+2.5σ vs the cell baseline. No official notice yet — ahead of the vendor.