claude-code - 💡(How to fix) Fix [BUG] Skills Missing after Claude for Mac update [2 comments, 3 participants]

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anthropics/claude-code#48701Fetched 2026-04-16 06:53:22
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Error Message

Error Messages/Logs

Code Example

/doctor

Unknown skill: doctor
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?

Skills missing after the 1.2581.0 update. Code hangs or says “unknown skill” when attempting /bug, /doctor, etc. Previously created skills are no longer available.

What Should Happen?

skill should work

Error Messages/Logs

/doctor

Unknown skill: doctor

Steps to Reproduce

Run /bug and describe what happened (Skills missing after the 1.2581.0 update, and that Code hangs or says “unknown skill”). Run /doctor first so it can collect diagnostics about your install, settings, and any loading errors. 

Neither works.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

Claude Code v2.x (Opus 4.6, 1M context) / 2.1.104 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue can likely be resolved by checking the compatibility of the skills with the updated Claude Code version 1.2581.0 and potentially reinstalling or reconfiguring them.

Guidance

  • Verify that the skills are properly installed and configured for the updated version of Claude Code, as the error message "Unknown skill" suggests a potential issue with skill recognition.
  • Check the documentation or release notes for Claude Code version 1.2581.0 to see if there are any specific instructions for migrating or updating skills from previous versions.
  • Attempt to reinstall or reconfigure the skills to ensure they are compatible with the current version of Claude Code.
  • If the issue persists, try running the /doctor command again to collect diagnostics and see if it provides any additional information about the loading errors.

Example

No specific code snippet can be provided without more information about the skills or the Claude Code configuration, but checking the skills' configuration files or the Claude Code documentation for any version-specific changes may be helpful.

Notes

The lack of information about the last working version and any additional details makes it difficult to provide a more specific solution. The guidance provided is based on the assumption that the issue is related to the update of Claude Code and the potential incompatibility of the skills with the new version.

Recommendation

Apply workaround: Given the information provided, it seems that the issue is likely related to the compatibility of the skills with the updated version of Claude Code. Therefore, attempting to reinstall or reconfigure the skills and checking the documentation for any specific instructions seems like the most reasonable approach.

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claude-code - 💡(How to fix) Fix [BUG] Skills Missing after Claude for Mac update [2 comments, 3 participants]