claude-code - 💡(How to fix) Fix [BUG] Claude Code on the web silently stops mid-task after tool calls [1 participants]

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anthropics/claude-code#56487Fetched 2026-05-06 06:26:45
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Error Message

On Claude Code on the web, the agent frequently halts mid-task after a tool call (typically a file read) without producing any further output, error, or summary.

Error Messages/Logs

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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?

On Claude Code on the web, the agent frequently halts mid-task after a tool call (typically a file read) without producing any further output, error, or summary.

What Should Happen?

After a successful tool call, the agent should continue executing the task autonomously

Error Messages/Logs

Steps to Reproduce

Non-deterministic, but happens often:

  1. Start a multi-step task on claude.ai/code
  2. After an early tool call, the agent sometimes stops silently
  3. Sending Continue resumes it without issue

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

claude code on the web

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The agent halting mid-task after a tool call in Claude Code on the web may be related to an issue with task execution or the Anthropic API, and sending a Continue command can temporarily resume the task.

Guidance

  • Investigate the task execution flow to identify potential bottlenecks or errors that could cause the agent to halt.
  • Verify that the Anthropic API is functioning correctly and responding as expected to tool calls.
  • Test the task with different tool calls to determine if the issue is specific to certain tools or tasks.
  • Consider adding logging or debugging statements to capture more information about the agent's state when it halts.

Notes

The non-deterministic nature of the issue and lack of error messages or logs make it challenging to pinpoint the exact cause. Further investigation and debugging are necessary to identify the root cause.

Recommendation

Apply workaround: Sending a Continue command can temporarily resume the task, but a more permanent fix will require identifying and addressing the underlying cause of the agent halting.

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claude-code - 💡(How to fix) Fix [BUG] Claude Code on the web silently stops mid-task after tool calls [1 participants]