Changes / Sanity / Sanity MCP Server Unavailability

Sanity: Major incident: Sanity MCP Server Unavailability

Summary

Sanity’s MCP server (mcp.sanity.io) returned 500 errors, disrupting access through tools such as Claude and Cursor in a major-impact outage. It started at 2026-05-01 12:00 UTC and was resolved at 2026-05-01 13:19 UTC; the reported duration was 1 h 18 min. Sanity implemented a fix and monitored results before resolution.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 100%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: Sanity MCP Server Unavailability
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-05-01 12:00 UTC
AddedResolved time#5
Before: not present
After: 2026-05-01 13:19 UTC
AddedAffected components#6
Before: not present
After: MCP Server, Partner Integrations
AddedUpdateinvestigating#7
Before: not present
After: Our MCP server (mcp.sanity.io) is currently inoperative, returning 500 errors and impacting access via tools like Claude and Cursor. We are working to restore functionality.
AddedUpdateidentified#8
Before: not present
After: We are implementing a fix that should resolve the issue.
AddedUpdateidentified#9
Before: not present
After: We’ve identified the issue affecting the MCP server (mcp.sanity.io) and are actively working on a fix. We’ll share another update as soon as we have more information.
AddedUpdateidentified#10
Before: not present
After: We are continuing to work on a fix for this issue.
AddedUpdateidentified#11
Before: not present
After: We are continuing to work on a fix for this issue.
AddedUpdatemonitoring#12
Before: not present
After: A fix has been implemented and we are monitoring the results.
AddedUpdateresolved#13
Before: not present
After: This incident has been resolved.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Major incident: Sanity MCP Server Unavailability (this change)
Sanity’s MCP server (mcp.sanity.io) returned 500 errors, disrupting access through tools such as Claude and Cursor in a major-impact outage. It started at 2026-05-01 12:00 UTC and was resolved at 2026-05-01 13:19 UTC; the reported duration was 1 h 18 min. Sanity implemented a fix and monitored results before resolution.
Major incident

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