AI Developer Tools
peek-cli
Let coding agents see your browser by capturing screenshots of open tabs via a CLI and browser extension.
peek-cli
What is peek-cli?
peek-cli is an open-source tool that enables AI coding agents to capture screenshots of any open browser tab. It uses a WebSocket server and a browser extension to stream screenshots securely, integrating with agents like Claude Code, Codex, and GitHub Copilot.
peek-cli vs Similar AI Tools
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How to use peek-cli?
- 1Install the CLI globally: npm i -g peeked
- 2Start the WebSocket daemon: peeked start
- 3Install the Chrome extension from the Chrome Web Store
- 4Connect your browser to the daemon
- 5List available tabs: peeked list
- 6Capture a screenshot: peeked at <url>
peek-cli Key Features
- Screenshot capture of any open browser tab
- WebSocket-based streaming for real-time agent access
- CLI commands for tab listing and screenshot capture
- Browser extension for secure connection
- Plugin integration with Claude Code, Codex, and Copilot
- Open source under MIT license
peek-cli Use Cases
- Allow AI coding agents to view web applications during development
- Enable agents to debug browser-based UI issues
- Provide agents with visual context from browser tabs
- Automate screenshot capture for documentation or testing
peek-cli Pricing & Free Credits
peek-cli currently operates on a Free model.
This tool is completely free to use
peek-cli Pros & Cons
Pros
- Open source with MIT license
- Easy setup with npm and Chrome extension
- Works with multiple AI coding agents
- Secure: only screenshots, no script injection
- Simple and focused functionality
Cons
- Requires browser extension and CLI installation
- Must reconnect agent on every startup
- Limited to screenshot capture only
- Currently supports only Chrome browser
What is peek-cli best for?
- AI agent developers
- Software engineers using AI coding assistants
- Teams integrating visual feedback into agent workflows
- Open source enthusiasts