A CLI flag is not a security boundary, and one browser tool just proved it
Description and use
<p>Tencent released BrowserSkill, a tool that lets AI agents drive the browser you are already logged into. The obvious story is the capability. The interesting story is a breaking change buried in version 0.3.0.</p> <p>Before 0.3.0 you could run an agent's browser session unattended by passing <code>--unattended</code>, or <code>tab borrow --no-confirm</code>, or setting <code>BSK_REQUEST_HELP=off</code>. Each one skipped the confirmation prompt that normally asks before the agent takes control of one of your tabs.</p> <p>In 0.3.0, none of them work any more. They are still accepted, they are
Problem
<p>Tencent released BrowserSkill, a tool that lets AI agents drive the browser you are already logged into. The obvious story is the capability. The interesting story is a breaking change buried in version 0.3.0.</p> <p>Before 0.3.0 you could run an agent's browser session unattended by passing <code>--unattended</code>, or <code>tab borrow --no-confirm</code>, or setting <code>BSK_REQUEST_HELP=off</code>. Each one skipped the confirmation prompt that normally asks before the agent takes control of one of your tabs.</p> <p>In 0.3.0, none of them work any more. They are still accepted, they are
Outcome
<p>Tencent released BrowserSkill, a tool that lets AI agents drive the browser you are already logged into. The obvious story is the capability. The interesting story is a breaking change buried in version 0.3.0.</p> <p>Before 0.3.0 you could run an agent's browser session unattended by passing <code>--unattended</code>, or <code>tab borrow --no-confirm</code>, or setting <code>BSK_REQUEST_HELP=off</code>. Each one skipped the confirmation prompt that normally asks before the agent takes control of one of your tabs.</p> <p>In 0.3.0, none of them work any more. They are still accepted, they are
Evidence
A CLI flag is not a security boundary, and one browser tool just proved it
- Record date: 2026-09-17T14:45:21.394Z