Where does the bug appear (feature/product)?
Somewhere else…
Describe the Bug
Keep getting Bad request in Cursor IDE chat in Agent mode chat.
Steps to Reproduce
write something to the caht in Agent mode. I am working prticularly with GPT-5 models but looks like with Auto mode is the same
Expected Behavior
I expect agent answers me and do the coding work for me
Operating System
MacOS
Current Cursor Version (Menu → About Cursor → Copy)
Version: 1.7.11 (Universal)
VSCode Version: 1.99.3
Commit: 867f14c797c14c23a187097ea179bc97d215a7c0
Date: 2025-09-26T16:55:04.318Z (1 day ago)
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin arm64 24.6.0
For AI issues: which model did you use?
GPT-5 also tried GPT-5 -codex and Auto mode. All same
For AI issues: add Request ID with privacy disabled
Request ID: d088c654-9fb5-47f5-a16d-dd6e8fbbd576
{“error”:“ERROR_BAD_REQUEST”,“details”:{“title”:“Bad request.”,“detail”:“Bad Request”,“isRetryable”:false,“additionalInfo”:{},“buttons”:,“planChoices”:},“isExpected”:true}
ConnectError: [invalid_argument] Error
at FPl.$endAiConnectTransportReportError (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:5221:372054)
at jxr._doInvokeHandler (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:35946)
at jxr._invokeHandler (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:35688)
at jxr._receiveRequest (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:34453)
at jxr._receiveOneMessage (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:33275)
at Fkt.value (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:31369)
at Se._deliver (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:49:2962)
at Se.fire (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:49:3283)
at Oct.fire (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:5206:12154)
at MessagePort. (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:7307:18292)
Does this stop you from using Cursor
Yes - Cursor is unusable