Show HN: Dao Browser – An Opinionated Browser. With AI Agent, BYOK

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An AI-native, content-first Chromium-based browser with a vertical tab sidebar — built for the agentic web.

Download · Website · AI Agent · Features · Development

Built-in AI Agent

Dao isn't a browser with an AI extension bolted on — the AI Agent is a first-class citizen, woven into the browsing surface itself.

Tool-calling agent that can read, click, scroll, and navigate live pages on your behalf — with an animated cursor + tab-lock banner so you always see what it's doing

Long-term memory (SQLite + FTS5) across episodic and semantic stores — Dao remembers what you've worked on, not just what's in the current tab

Proactive suggestions triggered by navigation — Dao notices when a page matches a scenario you've taught it, then offers to act

Skill system — extend the agent with reusable skills; manage them from chrome://dao-agent/skills

Ask AI from the command bar (Cmd+L) — turn any thought into an agent task without leaving the keyboard

Page → Markdown capture and share-card generation baked into the chat surface

Learn more at dao.msgbyte.com/agent.

Other Highlights

Vertical Tab Sidebar — Arc-style collapsible sidebar with spaces, favorites, and dual-line active tabs

Spotlight Command Bar — translucent floating command bar with ghost-text completion + Ask AI integration

Picture-in-Picture & Split View — keep content where you need it

Calm Minimalism — chrome recedes so the web page (and the agent) is the focal point

Platforms

macOS — arm64 (Apple Silicon)

Contributing

Dao Browser is an open-source project. Bug reports and feature requests are welcome via GitHub Issues. To build from source or contribute code, see the development guide.

License

MIT — Dao Browser is built on top of Chromium, which is licensed under the 3-Clause BSD License.

About

An opinionated browser. With AI Agent, BYOK

dao.msgbyte.com

Topics

chromium

arc

ai-agents

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Languages

TypeScript 62.3%

C++ 33.1%

CSS 2.2%

Objective-C++ 0.8%

JavaScript 0.8%

Python 0.6%

Other 0.2%