Plan creation mode does not always invoke creation correctly

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

after doing the research, plan mode does not create a plan but rather lists a message. this has happened twice already. see the screenshot to see the faulty header of the invocation method being written as part of the chat.

Steps to Reproduce

happens at random

Screenshots / Screen Recordings

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.7.54 (system setup)
VSCode Version: 1.99.3
Commit: 5c17eb2968a37f66bc6662f48d6356a100b67be0
Date: 2025-10-21T19:07:38.476Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26100

For AI issues: which model did you use?

non-max-claude-4.5-sonnet-thinking

Does this stop you from using Cursor

No - Cursor works, but with this issue

Hey, thanks for the report. It looks like a rendering/formatting issue where Plan Mode outputs raw invocation code instead of building the plan structure.

To help us investigate:

Request ID:

Full screenshot:

  • Please send a wider screenshot showing the full chat context before and after the error.

Pattern:

  • Does this happen with certain types of prompts, or randomly?
  • Have you tried switching to a different model (e.g., gpt-5) to see if it reproduces there?

This will help the team find the root cause.

I am facing the same issue for a couple of days. Thanks for acknowledging the report.


Here’s the diagnostic information you requested:

Request ID
c6dafd09-4252-47ac-a19e-bafb52f6190e

Full Screenshots
[Attached] Two screenshots showing:

  1. UI status messages (“Thought for 21s” → plan preview → “Created plan”)
  2. Editor maximized view with empty offline-plan.md file and Build button non-responsive.

Pattern
Occurs consistently across all prompts and all models (tested GPT-5-high-fast, others). No intermittent behavior—100% reproducible given the same project context and Plan mode request.


Additional Context

The UI displays the plan summary text and confirms “Created plan” status, suggesting content generation reaches completion. However, the draft persists as empty and Build does not execute, indicating a failure during the finalization/persistence layer after generation completes.

Environment: Cursor IDE (window), Nekobox VPN, no local changes. Other modes (Agent, Talk, etc.) function normally.

I’m available to provide browser console logs, network traces, or any additional telemetry the team requires. Let me know the preferred method for collection on the web client.

Thanks.




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