Extensions
Manage browser extensions for use with Kernel browsers.
Extension Management
kernel extensions list
List all extensions in your organization.
Output includes:
- Extension ID
- Name (if assigned)
- Created date
- Size in bytes
- Last used date
Example:
kernel extensions listkernel extensions upload <directory>
Upload an unpacked browser extension directory or zip file.
| Flag | Description |
|---|---|
--name <name> | Optional unique name for the extension. Must be unique within your project. |
Example:
# Upload with auto-generated ID
kernel extensions upload ./my-extension
# Upload with custom name
kernel extensions upload ./my-extension --name my-custom-extensionExtensions requiring enterprise policies must include update.xml and .crx files. See Extensions requiring enterprise policies for details.
kernel extensions download <id-or-name>
Download an extension archive by ID or name.
| Flag | Description |
|---|---|
--to <path> | Output path for the downloaded zip file. |
Example:
# Download to current directory
kernel extensions download my-extension
# Download to specific path
kernel extensions download my-extension --to ./downloads/extension.zipkernel extensions delete <id-or-name>
Delete an extension by ID or name.
| Flag | Description |
|---|---|
--yes, -y | Skip confirmation prompt. |
Example:
# Delete with confirmation
kernel extensions delete my-extension
# Delete without confirmation
kernel extensions delete my-extension --yeskernel extensions download-web-store <url>
Download and unpack an extension directly from the Chrome Web Store.
| Flag | Description |
|---|---|
--to <path> | Output directory for the unpacked extension. |
--os <platform> | Target OS: mac, win, or linux (default: linux). |
Example:
kernel extensions download-web-store \
https://chromewebstore.google.com/detail/extension-id \
--to ./my-extensionAfter downloading, you can upload the extension to Kernel:
kernel extensions upload ./my-extension --name my-extensionkernel 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 <name> | Upload the extension to Kernel with specified name (e.g., --upload my-web-bot-auth). |
Examples:
# Build with default test key
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext
# Build with custom key
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext --key ./my-key.jwk
# Build with custom name and upload
kernel extensions build-web-bot-auth --to ./web-bot-auth-ext --upload my-web-bot-authThis command requires Node.js and npm to be installed on your system.