The issue with MCP apps is resolved, and services are back to normal.
Issue with MCP Apps on Claude.ai Resolved
Original: MCP apps unavailable on Claude.ai
Importance: MCPアプリの利用に影響があったため、多くのユーザーが関心を持つ可能性がある。
Summary
On April 23, 2026, an issue affected the availability of MCP applications on Claude.ai, impacting both desktop and mobile users. The problem was resolved within the same day, and services have returned to normal operations.
Key Points
- Issue with MCP apps occurred on April 23
- Affected desktop and mobile users
- Resolved within the same day
- Services have returned to normal
View developer notes (APIs, breaking changes, migration)
On April 23, 2026, an issue was identified affecting MCP applications on Claude.ai, impacting desktop and mobile platforms. The issue was resolved the same day, and all services are now functioning normally.
Source: https://status.claude.com/incidents/9tyl1z4b03cs
Outlet: Anthropic Status
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