Anthropic reports elevated errors and sign-in failures on Claude.ai, Claude Code and the Console

Anthropic's status page opened an incident at 09:58 UTC on November 13 (1:58 a.m. Pacific): it was investigating an issue with users authenticating to Claude.ai and Claude Code. The incident lists Claude.ai, the Claude Console (platform.claude.com), Claude Code and Claude Cowork as affected.

At 11:05 UTC Anthropic said a fix had been deployed and it was monitoring for recovery. It has not published a cause.

Users on Hacker News reported being signed out of Claude Code and unable to log in again; the main incident thread had 195 points and 142 comments by the morning of November 13.