Custom Component upload failing, CLI stuck at 'sending updated code to retool'

💬 App Building
1
  1. My goal: I'm developing retool custom react components.
  2. Issue: Having trouble previewing in dev mode when running npx retool-ccl dev
  3. Steps I've taken to troubleshoot: Have tried other commands such as npx retool-ccl deploy, checking my network status, deleting components, etc. Error is still the same.
  4. These are the CLI errors:
    CleanShot 2025-08-26 at 15.36.04@2x
    CleanShot 2025-08-26 at 15.36.04@2x1622×284 24.6 KB
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you might need to whitelist Retools IP addresses:

this other topic might help also