Installation
Get Constclaw running in under 5 minutes.
- ✓ Node.js ≥ 22 installed on your machine
- ✓ Chrome 114+ (or Chromium-based browser with Side Panel API)
- ✓ macOS, Linux, or Windows (WSL2 strongly recommended)
Install OpenClaw gateway
Constclaw talks to your local OpenClaw gateway via WebSocket. Install it first using the official installer:
Run the onboarding wizard
The wizard guides you through gateway setup, AI provider configuration, and daemon installation:
Start the gateway
If the daemon is installed, it starts automatically. For manual control:
The gateway binds to ws://127.0.0.1:18789 by default.
You can change the port in ~/.openclaw/openclaw.json.
Download & load Constclaw
Download the extension ZIP and load it in Chrome developer mode:
Download the latest release ZIP and unzip it.
Navigate to chrome://extensions/ in Chrome.
Toggle Developer mode in the top-right corner.
Click Load unpacked and select the ai-assistant-extension folder.
Configure the extension
Click the Constclaw icon in your toolbar to open the side panel. Click the ⚙️ settings button and verify:
Gateway URLws://127.0.0.1:18789Gateway TokenOPENCLAW_GATEWAY_TOKEN is setResponse LanguageAnalysis ModeTest it out
Go to any webpage, highlight any text, and click the "Ask Constclaw" floating button that appears. The side panel should show your selected text with an Analyze button. Click it — you'll get an AI response in seconds.
Troubleshooting
Cannot connect to OpenClaw at ws://127.0.0.1:18789Gateway rejected connection — check your tokenGateway connection timed out (10s)Button appears but no responseExtension not visible in Chrome