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2026 · Open Source

BSquare

One script tag mounts a Shadow-DOM-isolated chat widget that streams from your AG-UI / PydanticAI backend — and can act on the host page through host actions.

PythonFastAPIAG-UIPydanticAI GH github.com/getbsquare/bsquare ↗ getbsquare.com ↗
ROLE
Lead Maintainer
YEAR
2026

The problem

The AI industry is sprinting toward agents - autonomous systems that can reason, call tools, and take action. It's exciting. But there's a quiet problem: thousands of older-tech tools, admin panels, dashboards, even plain HTML pages that run real businesses are being left behind. They weren't built for this. No APIs, no WebSocket endpoints, no fancy integration layer. Just… pages.

What I did

01
Recognized the problem

02
Figured out how to adapt AG-UI

03
Created a widget and backend for installing agents

Everything you need to ship an agent on day one.

What came of it
100%
of web software can be agent-driven
KEEP LOOKING

See the rest of the work.

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