[BUG]

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

I keep getting a bug in Claude when I try to connect Claude to the Blackbaud MCP, after hitting authorize on my Blackbaud account.

What Should Happen?

Claude should connect to Blackbaud after I hit authorize.

Error Messages/Logs

Authorization with the MCP server failed. You can check your credentials and permissions. If this persists, share this reference with support: "ofid_2fe91610ce3810cc"

Steps to Reproduce

1. Sign into Blackbaud on your browser
2. Add the Blackbaud MCP "+" button from Connectors in Claude Customize.
3. Hit "Authorize" in the browser window that pops up
4. Returns to Claude and gives me the error message.

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude Desktop app connector (latest version, no updates available)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_