Where does the bug appear (feature/product)?
Cursor IDE
Describe the Bug
When the agent uses the edit tool on a huge file (in the megabytes range) the tool call fails with:
“maximum call stack size exceeded”
Steps to Reproduce
Open a big file like the SQLite amalgamation and ask the agent to modify a single line
Screenshots / Screen Recordings
Operating System
MacOS
Current Cursor Version (Menu → About Cursor → Copy)
Version: 1.6.42
VSCode Version: 1.99.3
Commit: 5911e9593196a000b1c00553aaf03b0b32042b90
Date: 2025-09-20T17:16:56.346Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin arm64 22.1.0
Does this stop you from using Cursor
No - Cursor works, but with this issue