Panel de Chat

Chrome extension that opens chat.mistral.ai in Chrome's side panel.

Landing page: panel-de-chat.vercel.app

Unofficial community project. Not affiliated with, endorsed by, or sponsored by Mistral AI.

Requirements

Chrome 114 or newer (the side panel API was added in 114).

Install (unpacked)

1. Clone this repo.
2. Visit chrome://extensions in Chrome.
3. Enable "Developer mode" (toggle, top right).
4. Click "Load unpacked" and select the cloned folder.
5. Pin the extension from the puzzle icon in the toolbar.

Click the toolbar icon to toggle the side panel.

How it works

background.js sets the toolbar action to open the side panel on click. sidepanel.html hosts an iframe pointing at https://chat.mistral.ai/. A declarativeNetRequest ruleset (rules.json) removes X-Frame-Options and Content-Security-Policy response headers for requests to chat.mistral.ai, so the page renders inside the iframe.

If the iframe fails to load within a few seconds, the panel shows a fallback with a link that opens Le Chat in a new tab.

Permissions

• sidePanel for the side panel API
• declarativeNetRequest for the static header ruleset
• host_permissions on https://chat.mistral.ai/* so header modification rules apply

Files

• manifest.json MV3 manifest
• background.js service worker, sets panel behavior
• sidepanel.html / sidepanel.css / sidepanel.js panel UI
• rules.json declarativeNetRequest rules
• icons/ toolbar icons (16, 32, 48, 128)

Development

No build step. Edit source files, then click the reload icon on the extension card at chrome://extensions.

Trademarks

"Mistral AI", "Le Chat", and the Mistral "M" logo are trademarks of Mistral AI. They are used here only to identify the service this extension wraps. This project is independent and is not affiliated with or endorsed by Mistral AI.

License

MIT. See LICENSE. The MIT license covers the code in this repository only; it does not grant any rights to the Mistral AI trademarks referenced above.