Home / Prompts / Troubleshooting
What is using this port?
Fix 'address already in use' errors in seconds.
TroubleshootingInstant
The prompt
Something is already using port 3000. Tell me which program it is and its process ID, and ask me before stopping it.
How to use it
- Make sure Shellway is connected in ChatGPT, Claude or Cursor.
- Paste the prompt and change the folder names or paths to match your computer.
- Review the plan your AI shows before you confirm any changes.