Skillget

Cebian

agent
Security Audit
Pass
Health Pass
  • License — License: AGPL-3.0
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Community trust — 11 GitHub stars
Code Pass
  • Code scan — Scanned 12 files during light audit, no dangerous patterns found
Permissions Pass
  • Permissions — No dangerous permissions requested
Purpose
This tool is a Chrome browser extension that adds a customizable AI assistant to your browser's side panel. It allows users to bring their own API keys to interact with various AI models and external tools directly while browsing web pages.

Security Assessment
Overall risk: Low. The extension operates entirely within the browser and does not request dangerous system permissions. Because of its design, it does inherently access sensitive browsing data—such as current page content, selected text, and URLs—to provide context to the AI. However, the tool explicitly states that data remains local and is only sent to the user's chosen AI model provider when a message is submitted. A code scan of 12 files found no hardcoded secrets or dangerous execution patterns (such as spawning system shells). Network requests are strictly limited to user-configured AI API endpoints.

Quality Assessment
The project is actively maintained, with its most recent code push happening today. It is properly licensed under AGPL-3.0, ensuring transparent and open development. While it is a relatively new and niche project with only 11 GitHub stars, its clean codebase and straightforward approach make it easy to audit and understand.

Verdict
Safe to use. It respects user privacy by avoiding unnecessary data collection and requiring no dedicated user accounts, though users should remain aware that any page context shared with the AI is processed by their chosen third-party API provider.
SUMMARY

An AI assistant that lives in your browser side panel

README.md
Cebian

Cebian

An AI assistant that lives in your browser side panel

English | 简体中文

[!IMPORTANT]
Project usage notes

This project is open-sourced under the AGPL-3.0 license. Please respect the license when using the code. In particular:

  1. When redistributing or repackaging, keep the source attribution: https://github.com/maotoumao/Cebian
  2. For closed-source or commercial use, please reach out via GitHub for a commercial license.
  3. Any future change to the license will be announced in this repository — there will be no separate notification.

🌱 Why Cebian

Cebian wants to be a tool that helps ordinary people in everyday life. No middleman taking a cut — bring your own API key from any model provider and use it as your side-panel AI assistant.

So ————

  • No account required. Install and use — no sign-up, no email, no login.
  • Privacy first. Conversations, prompts, and attachments all stay in your own browser; only when you send a message to the AI is the relevant context forwarded to the model provider you chose.
  • Open source. AGPL-3.0.

✨ Overview

Cebian is a Chrome extension that puts an AI assistant in the browser side panel. It can read the current page, pick elements, emulate mobile devices, attach files, and plug into external tools via MCP — letting you reach for AI without ever leaving the page you're on.

About the name: "Cebian" is just the pinyin of 侧边 (cè biān) — Chinese for "the side." Nothing fancier than that.

🚀 Features

Feature Description
🤖 Multi-model OpenAI, Anthropic, Google, and any OpenAI-compatible endpoint via custom providers
📄 Page-aware Grab the current URL, title, selected text, or any picked element as context; paste images and files
⚡ Slash Prompts Build a prompt library with template variables like {{selected_text}}, {{page_url}}, {{clipboard}}
🧩 Skills Package multi-step workflows or domain knowledge into reusable Skills the AI can invoke on demand
🔌 MCP tools Built-in Model Context Protocol client — drop in external tools and they just work
📱 Mobile emulation Toggle mobile-device emulation on the active tab to debug responsive pages
🔒 Privacy-first All conversations, prompts, and files stay in your browser — nothing is uploaded to any server (honestly, just too lazy to maintain one :D)

🛠️ Getting Started

Requirements

Tool Version
Node.js >= 20
pnpm latest

Quick start

# Clone
git clone https://github.com/maotoumao/Cebian.git
cd Cebian

# Install
pnpm install

# Chrome dev mode
pnpm run dev

# Firefox dev mode
pnpm run dev:firefox

Dev mode auto-loads the unpacked extension from .output/chrome-mv3/ (or the Firefox equivalent). You can also load it manually from your browser's extensions page.

Common commands

Command Description
pnpm run dev Chrome dev build
pnpm run dev:firefox Firefox dev build
pnpm run check Type-check + i18n lint (also runs as a pre-commit)
pnpm run build Production build
pnpm run zip Package for store upload

💖 Support the project

If you like Cebian:

  1. ⭐ Star the repo and tell a friend
  2. Open an issue or PR — feedback and contributions are very welcome
  3. Follow my other channels:
WeChat Official Account Blog Bilibili Xiaohongshu X
一只猫头猫 catcat.work 不想睡觉猫头猫 一只猫头猫 @maotoumao0_0

🎁 Sponsors

If this project has been helpful, you're welcome to buy me a coffee~

Ko-fi

WeChat Reward

🌟 Ultimate Sponsor

My girlfriend — for the late nights, the cold dinners, and
every "just five more minutes." Thank you, always. ❤️

💝 Sponsors

Be the first.

🤝 Contributing

Contributions are welcome! Please read the contributing guide before opening a PR.

📄 License

Cebian is licensed under the GNU Affero General Public License v3.0 only (AGPL-3.0-only). Full text: LICENSE.

In short:

  • You are free to use Cebian.
  • If you modify and distribute Cebian — including running it as a network service — you must release the complete source of your modifications under the same AGPL-3.0 license.
  • For use cases that cannot comply with AGPL-3.0, please contact the maintainer via GitHub to discuss.

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