503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Anthropic outage — June 3, 2026

[2/7] EnterWorktree now requires confirmation for worktrees outside .claude/worktrees/. Background agents upgrade immediately after Claude Code updates. Fixed e

Anthropic’s Claude Code was disrupted for 37d 1h on June 3, 2026.

Key facts

DetectedJune 3, 2026 · 04:18 UTC
Confirmed04:18 UTC
Resolved05:49 UTC
Duration37d 1h
ServiceClaude Code

Timeline

  1. 04:18Z

    Detected · Signal

    Independent 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. 05:49Z

    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. 7 crowd reports across bluesky, hn_comments (independent class), z=+2.6σ vs the cell baseline; 2 press mentions (corroboration). No official notice yet — ahead of the vendor.