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https://mcp.supabase.com/mcp Docs
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Authentication requiredReachable; initialization requires authentication.
Since Sep 15, 2026 — 10:35 PM (2 d ago)

An authentication challenge is availability, not an outage — the endpoint is reachable and answering. Passive observation records the challenge and any OAuth discovery metadata without ever authenticating. OAuth-authenticated contract monitoring is planned.

Recorded auth metadata
authMeta — as observed
{
  "httpStatus": 401,
  "wwwAuthenticate": "Bearer error=\"invalid_request\", error_description=\"No access token was provided in this request\", resource_metadata=\"https://mcp.supabase.com/.well-known/oauth-protected-resource/mcp\"",
  "discovery": null
}
99.85%
Availability · 30 days · 679 checks
39 ms
Latency (last observation)
—
Contract
—
Schema stable
0
Incidents · 30 days
—
Observed since

Availability — last 30 days

No failures Some failures Mostly failing Auth required No observations

Last observed 33 min ago by MCP Tools Edge Scanner · scheduled every 60 min

Authentication is now required Breaking Sep 15, 2026 — 10:35 PM
The endpoint stopped accepting unauthenticated initialization.
Verifiedinitialize returned HTTP 401.
InterpretationUnauthenticated clients can no longer connect and may require credentials or an OAuth flow.
Raw event details
{
  "httpStatus": 401,
  "wwwAuthenticate": "Bearer error=\"invalid_request\", error_description=\"No access token was provided in this request\", resource_metadata=\"https://mcp.supabase.com/.well-known/oauth-protected-resource/mcp\"",
  "discovery": null
}
Observed by MCP Tools Edge Scanner
Authentication is now required Breaking Aug 9, 2026 — 4:15 PM
The endpoint stopped accepting unauthenticated initialization.
Verifiedinitialize returned HTTP 401.
InterpretationUnauthenticated clients can no longer connect and may require credentials or an OAuth flow.
Raw event details
{
  "httpStatus": 401,
  "wwwAuthenticate": "Bearer error=\"invalid_request\", error_description=\"No access token was provided in this request\", resource_metadata=\"https://mcp.supabase.com/.well-known/oauth-protected-resource/mcp\"",
  "discovery": null
}
Observed by MCP Tools Edge Scanner
Baseline captured — authentication required Informational Aug 6, 2026 — 5:00 AM
Endpoint is reachable; initialization requires authentication. Passive observation records availability, latency, and protocol behavior only.
Verifiedinitialize returned HTTP 401.
InterpretationAuthenticated contract monitoring can be added later (OAuth support planned).
Raw event details
{
  "httpStatus": 401,
  "wwwAuthenticate": "Bearer error=\"invalid_request\", error_description=\"No access token was provided in this request\", resource_metadata=\"https://mcp.supabase.com/.well-known/oauth-protected-resource/mcp\"",
  "discovery": null
}
Observed by MCP Tools Edge Scanner