HTTP 404 Tool Errors - Cursor problem

Describe the Bug

Error messages failing to connect to Git Hub an Vercel - AI says it is a problem your end.

Now all my conversations have disappeared!!!

You have broken my app and left me mid fix totally f**ked as I am not a Coder

Steps to Reproduce

I have no clue what is going, it was working for the past 6 days.

Expected Behavior

Connection to Github and Vercel was working now it is saying it has 404 tools errors and can’t connect.

Screenshots / Screen Recordings

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.2.4 (user setup)
VSCode Version: 1.99.3
Commit: a8e95743c5268be73767c46944a71f4465d05c90
Date: 2025-07-10T17:09:01.383Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26100

Does this stop you from using Cursor

Yes - Cursor is unusable