據 AlphaMoat 統計,截至 2026-09,Chrome 外掛 Cebian · Open-Source AI Side Panel Agent 使用者數為 332,環比 +44.3%,評分 5(5 人評價),在全部 9,324 款 AI 瀏覽器外掛中排名第 2,661 位,在「程式設計開發」分類(601 款)中排名第 148 位。
Side panel AI agent. BYO key (OpenAI/Anthropic/Google), no account. Element picker, MCP tools, skills. AGPL-3.0, local-first. Cebian is an open-source AI agent that lives in your browser's side panel. Bring your own API key from OpenAI, Anthropic, Google, or any OpenAI-compatible provider — no account, no subscription, no middleman. Your chats, prompts, and files stay in your browser; only the messages you actually send leave, and they go straight to the provider you picked.
It's a real agent, not a chat box: it can read the page you're on, pick any element off the screen as context, call external tools through MCP, run reusable Skills, attach screenshots and files, and switch between models mid-conversation without losing context.
──────────────────────────────────────── KEY FEATURES ────────────────────────────────────────
looking at. The AI sees the page title, URL, and full text as context.
error message) to attach it precisely to your next message.
like {{selected_text}}, {{page_url}}, {{clipboard}}. Trigger with /sum, /translate, and so on.
Skills the agent invokes on demand. Local files, importable and exportable.
server (database, filesystem, internal API) and the agent can call it from chat.
tab with one click. Uses Chrome DevTools Protocol, no separate setup.
(via OAuth), and any OpenAI-compatible endpoint. Switch providers or models mid-session without losing context.
message.
──────────────────────────────────────── WHO IT'S FOR ────────────────────────────────────────
page in place; attach screenshots of UI bugs; toggle mobile emulation without opening DevTools.
reading without leaving the page.
task instead of being locked into one.
you explicitly choose to send.
──────────────────────────────────────── PRIVACY & OPEN SOURCE ────────────────────────────────────────
Cebian has no backend. Chat history, API keys, prompt templates, Skills, attachments, and MCP configurations all live in your browser's local storage. The only outbound network traffic is the message content you send, going directly to the AI provider you configured under that provider's privacy terms.
Licensed under AGPL-3.0. Full source code on GitHub. Uninstall the extension and every byte of your data is gone — by design.
──────────────────────────────────────── LINKS ────────────────────────────────────────
Source code: https://github.com/maotoumao/Cebian Issues & ideas: https://github.com/maotoumao/Cebian/issues
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+ 對比資料月份:2026-09 · 使用者數與評分來自 Chrome 應用商店公開資料,按月聚合更新。口徑說明見資料方法。