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Snowflake Connector Issue in Claude AI #78

Description

@rashed091

MCP server URL

Snowflake MCP

Where does the issue occur?

When pressing the Connect button

Transport used

streamable-http

Client registration type

OpenID Connect Discovery (OIDC)

SSE only: Does your server return the expected status code for POST requests?

Not applicable (my server does not use SSE)

When did you last reproduce this?

2026-03-03

Browser and OS

Chrome

Describe the issue

When attempting to connect the Snowflake MCP integration, the OAuth authorization flow fails with two issues:

The OAuth URL is missing /oauth in the path - Claude redirects to /authorize instead of /oauth/authorize, resulting in a 404 error

The scope parameter is set to scope=claudeai, which Snowflake does not recognize, resulting in "The requested scope is invalid" error

https://..........snowflakecomputing.com/authorize?response_type=code&client_id=...
&redirect_uri=https%3A%2F%2Fclaude.ai%2Fapi%2Fmcp%2Fauth_callback&code_challenge=...&code_challenge_method=S256&state=...&scope=claudeai

Issue details

Error 404 Not Found
Our apologies for the inconvenience. The requested URL was not found on this server. We suggest you try the following:

Verify url and typos - The web page you were attempting to view may not exist or may have moved - try checking the web address for typos.

Expected behavior

Successful login

Logs from your server

Additional context

No response

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