503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Anthropic outage — June 3, 2026

Service disruption on Claude services

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

Key facts

DetectedJune 3, 2026 · 04:18 UTC
Confirmed04:18 UTC
ResolvedJuly 21, 2026 · 18:14 UTC
ServiceClaude Code
Official recordhttps://stspg.io/4lm8kwq5bpfy

Timeline

  1. 04:18Z

    Detected · Signal

    3 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. 18:14Z

    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. 3 crowd reports across bluesky (single platform — not corroborating), z=-0.1σ vs the cell baseline. Official notice confirms it.