A specialized technical skill for configuring and repairing Chromium browser attachments in WSL, headless Linux, and root-level environments.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install openclaw-browser-wsl-attach
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install openclaw-browser-wsl-attach using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is OpenClaw Browser WSL Attach?
The OpenClaw Browser WSL Attach skill is a critical utility for developers running AI agents in non-desktop environments. It addresses the inherent instability of launching browsers directly within WSL, headless Linux, or when running as a root user. By implementing a robust attachOnly workflow, this skill ensures that your Openclaw Skills can interact with web pages reliably through a persistent Chrome DevTools Protocol (CDP) connection.
This approach shifts the responsibility of browser lifecycle management to dedicated scripts, allowing the AI agent to focus on high-level automation tasks. It is the preferred method for maintaining high uptime and consistency in complex web-based workflows where standard browser spawning often fails due to sandbox restrictions or environment-specific limitations.
OpenClaw Browser WSL Attach Use Cases
- Preparing stable browser environments for Openclaw Skills in WSL2 or remote Linux servers.
- Fixing browser startup failures when OpenClaw is executed by the root user.
- Configuring reusable Chromium sessions for complex login flows and multi-step web automation.
- Repairing broken Chrome DevTools Protocol (CDP) connections on specialized hardware or headless instances.
How OpenClaw Browser WSL Attach Works
- Scans the local environment to identify existing Chromium or Google Chrome binaries and verify their current status.
- Transitions the configuration from direct process management to attachOnly mode to increase reliability.
- Executes a Python-based configuration script to update the global settings file with optimized flags like noSandbox.
- Initiates a manual Chromium instance on a dedicated CDP port (18800) using a background shell script.
- Performs a multi-point health check to verify that the browser is responsive and ready for Openclaw Skills integration.
OpenClaw Browser WSL Attach Setup
Follow these steps to initialize the browser environment:
# Step 1: Configure the browser settings for WSL/headless
python3 scripts/configure-browser.py
# Step 2: Restart your gateway to apply the new openclaw.json configuration
# Step 3: Start the Chromium browser instance
bash scripts/start-browser.sh
# Step 4: Verify the connection and status
bash scripts/healthcheck.sh
OpenClaw Browser WSL Attach Data Schema & Taxonomy
The skill manages its state and configuration through several key files and endpoints:
| Component | Path / Identifier | Purpose |
|---|---|---|
| Configuration | ~/.openclaw/openclaw.json |
Stores attachOnly, noSandbox, and executablePath settings. |
| CDP Endpoint | http://127.0.0.1:18800 |
The communication interface for browser control. |
| Logging | /tmp/openclaw-browser.log |
Detailed output for troubleshooting browser startup and attachment issues. |
| Scripting | /scripts/ |
Contains the shell and python utilities for environment preparation. |
OpenClaw Browser WSL Attach Advanced Features
- Automatic backup of configuration files before any modifications are applied.
- Support for custom Chromium binary paths to use specific browser versions.
- Integrated process cleanup that identifies and kills stale browser instances on port 18800.
- Headless-optimized execution mode to reduce memory overhead in server environments for all your Openclaw Skills.
SKILL.md
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