[SOLVED] Persistent "Connection Failed" Error in Cursor IDE Side Chat

For anyone searching, I experienced this same “Connection failed, try again.” specifically when adding Docs context to the chat. I noticed a few of my Docs references had 0 pages indexed. I haven’t tested this exhaustively, but when I removed and referenced Docs with at least 1 page indexed, the chat works as expected. Probably need some logic to check or notify the user when no pages are indexed from a link.

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That was really my issue. I had a doc page for :NET9 added, which when reviewing also showed 0 pages. And right after removing this doc from my chat/creator it worked again!