Outage in Anthropic

MCP tool calling issues for Advanced Research queries in Claude.ai

Resolved Major
May 21, 2025 - Started 1 day ago - Lasted about 2 hours
Official incident page

Need to monitor Anthropic outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Anthropic, and never miss an outage again.
Start Free Trial

Outage Details

We have identified the issue and are working to deploy a fix
Components affected
Anthropic claude.ai
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 05/21/2025 08:38PM

This incident has been resolved.

IDENTIFIED 1 day ago - at 05/21/2025 06:29PM

We have identified the issue and are working to deploy a fix

All Your Service Status Pages in One Dashboard

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4200 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook