extbuild
prompt → chrome extension
Manifest V3 · least-privilege by default · your own API key

Build a Chrome AI extension agent from one prompt.

Describe what you want your agent to do. Pick your AI provider. Download a ready-to-load Manifest V3 zip. New accounts start with 5 free credits.

The generated extension will prompt users to paste their own API key on install.

Sign up to generate — 5 free credits