Extension management
kernel extensions list
List all uploaded extensions.
kernel extensions upload <directory>
Upload an unpacked browser extension directory.
| Flag | Description |
|---|
--name <name> | Optional unique extension name. |
kernel extensions download <id-or-name>
Download an extension archive.
| Flag | Description |
|---|
--to <directory> | Output directory (required). |
kernel extensions download-web-store <url>
Download an extension from the Chrome Web Store.
| Flag | Description |
|---|
--to <directory> | Output directory (required). |
--os <os> | Target OS: mac, win, or linux (default: linux). |
kernel extensions delete <id-or-name>
Delete an extension by ID or name.
| Flag | Description |
|---|
--yes, -y | Skip confirmation prompt. |
kernel extensions build-web-bot-auth
Build Cloudflare’s Web Bot Auth browser extension for signing HTTP requests with RFC 9421 signatures.
| Flag | Description |
|---|
--to <dir> | Output directory for the built extension (required). |
--key <path> | Path to JWK file with Ed25519 signing key (defaults to RFC9421 test key). |
--upload | Upload the extension to Kernel after building. |
--name <name> | Extension name when uploading (default: web-bot-auth). |
# Build with default test key
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext
# Build with custom key and upload
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext --key ./my-key.jwk --upload
# Build with custom name
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext --upload --name my-company-bot
This command requires Node.js and npm to be installed on your system.
