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
2

you might need to whitelist Retools IP addresses:

this other topic might help also

3

Hi @jereyee, welcome to the community!

It looks like its failing after building and trying to send the code to retool, specifically on the step related to a creating a custom component library. Did you make sure to run this step?
npx retool-ccl init