# Show HN: Peek-CLI: let coding agents see your browser

> Source: <https://github.com/puffinsoft/peek-cli>
> Published: 2026-06-27 22:50:37+00:00

peek-cli allows agents to capture a screenshot of any open tab in your browser.

Works with Claude Code, Codex, Copilot and many more...

It works by using a browser extension to stream screenshots over WebSockets.

*You only need to do steps 1 & 2 once on startup.*

- Start the WebSocket daemon:

```
peeked start
> Successfully started server.
```

- Connect your browser:

- You're good to go!

```
peeked list # view available tabs
> [ 'http://localhost:3000/' ]

peeked at http://localhost:3000 # capture screenshot
> Image saved to: /var/.../peek_cli/images/dd999ee0.jpg
```

- Install the
[Chrome Extension](/puffinsoft/peek-cli/blob/master/src/extension/README.md).

the extension is in the process of approval; manual installation is needed for now.

- Install the CLI

```
npm i -g peeked
```

- Install the Skill

For Claude Code & Copilot:

```
/plugin marketplace add puffinsoft/peek-cli
```

For Codex:

```
codex plugin marketplace add puffinsoft/peek-cli
```

peek-cli is open source software, licensed under the [MIT](/puffinsoft/peek-cli/blob/master/LICENSE) license.