Download and unzip the package
Download crabcode-browser-extension.zip, unzip it, and keep the browser-extension/ folder. Chrome keeps reading the unpacked extension from this folder, so keep it in a stable location.
This page installs the extension backend for browser automation. Regular automation defaults to the built-in browser mode (crabcode-browser); use this extension mode when you need real Chrome login state, OAuth/SSO, or intranet pages.
chrome://extensions
Download crabcode-browser-extension.zip, unzip it, and keep the browser-extension/ folder. Chrome keeps reading the unpacked extension from this folder, so keep it in a stable location.
Open chrome://extensions, turn on Developer mode, click Load unpacked, then select the unzipped browser-extension/ folder.
The Chrome extension card must show imklgjagepjkegkcneifnholbpajhfji. A different id means an old or unofficial package is loaded; remove it and reinstall the package from this page.
Restart CrabCode and reconnect from Browser Automation. The official package manifest key and native-host allowed_origins are pinned to the id above, so no environment override is required.
chrome://extensionsimklgjagepjkegkcneifnholbpajhfji