claude-code - 💡(How to fix) Fix [BUG] tools selector not followed by scroll when selection list is too large [1 comments, 2 participants]

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anthropics/claude-code#45255Fetched 2026-04-09 08:09:39
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Error Message

Error Messages/Logs

Root Cause

I'm creating agents and when I'm selecting the tools for this agent and show advanced options, the list is immense. And when I want to enable/disable tools that are at the top of the list the cursor is not visible because there is not a scroll functionality like less.

Code Example



---

OS: EndeavourOS x86_64
Kernel: Linux 6.19.9-arch1-1
Uptime: 3 hours, 52 mins
Shell: zsh 5.9
Terminal: ghostty 1.3.1-arch1
CPU: Intel(R) Core(TM) Ultra 7 155H (22) @ 4.80 GHz
GPU 1: NVIDIA GeForce RTX 4050 Max-Q / Mobile [Discrete]
GPU 2: Intel Arc Graphics @ 2.25 GHz [Integrated]
Locale: en_US.UTF-8
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

I'm creating agents and when I'm selecting the tools for this agent and show advanced options, the list is immense. And when I want to enable/disable tools that are at the top of the list the cursor is not visible because there is not a scroll functionality like less.

And when I scroll up my terminal to the top of the list it scrolls back to the bottom when I move the crusor.

What Should Happen?

A scroll functionality should be available to navigate through this list and keep the cursor visible.

Error Messages/Logs

Steps to Reproduce

  1. Ensure you have mcps enabled with a lot of tools.
  2. Create an agent through /agent command.
  3. When selecting tools, toggle advanced options.

Claude Model

None

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.96 (Claude Code)

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

Other

Additional Information

Fastfetch info

OS: EndeavourOS x86_64
Kernel: Linux 6.19.9-arch1-1
Uptime: 3 hours, 52 mins
Shell: zsh 5.9
Terminal: ghostty 1.3.1-arch1
CPU: Intel(R) Core(TM) Ultra 7 155H (22) @ 4.80 GHz
GPU 1: NVIDIA GeForce RTX 4050 Max-Q / Mobile [Discrete]
GPU 2: Intel Arc Graphics @ 2.25 GHz [Integrated]
Locale: en_US.UTF-8

extent analysis

TL;DR

Implementing a scroll functionality or a pagination system for the tools list could resolve the issue of the immense list and invisible cursor.

Guidance

  • The problem seems to be related to the rendering of a large list of tools in the terminal, which causes the cursor to be invisible and scrolling issues.
  • To verify the issue, try reproducing the steps with a smaller list of tools to see if the problem persists.
  • Consider implementing a pagination system or a scroll bar to navigate through the list of tools, which would keep the cursor visible and resolve the scrolling issue.
  • The ghostty terminal emulator being used might have some limitations or configuration options that could be explored to improve the rendering of large lists.

Example

No specific code example can be provided without more information about the implementation details, but a possible approach could be to use a library or framework that supports pagination or scrolling for terminal-based interfaces.

Notes

The issue might be specific to the ghostty terminal emulator or the zsh shell being used, and testing with a different terminal or shell could help determine if the issue is environment-specific.

Recommendation

Apply a workaround, such as implementing a pagination system or using a different terminal emulator, as the root cause of the issue is unclear and may require further investigation.

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