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Let an AI agent sign in. Keep the password.

An agent that books or orders for you sometimes reaches a sign-in page. With Vautir it asks, you approve in Vautir's extension, and the extension fills the form. The agent never sees the password.

AI-agent logins, step by step.

  1. Add Vautir to your agent

    The command line carries an MCP server, vautir mcp, which agents that speak the Model Context Protocol can use. Keep Vautir's extension unlocked in the browser the agent works in.

  2. The agent asks

    It can ask which logins you have for a page, and ask for one to be filled, with its reason. Vautir's button shows a count, and its popup shows the site, the agent's name and why.

  3. You decide

    Fill it in fills the login into the tab open on that site. Refuse tells the agent no. Either way, the agent hears only how its request ended.

What careful people ask.

Never the password

An agent gets titles and usernames, and whether a login was filled. Nothing Vautir tells it holds a password, a one-time code or a passkey.

Only the login's own site

The extension fills only a page whose address the login matches, as always. An agent that asks for one site's login while on another gets nothing.

Our server sees neither

Each request is encrypted on the device that asked, with your account's keys. The server passes it along without learning the agent or the site.

A record for teams

A login filled from an organization's vault goes in its audit log, as any fill does.

What to know

The agent names itself and gives its own reason: read them as its claims. And an agent that controls your whole screen could press the extension's button itself, which is why approving on your phone comes next.

Availability

Where you get it.

Plans
Free, Premium, Families, Business
Platforms
Browser extension, with the command line

Questions

Which agents work with it?

Any agent that can use an MCP server.

What if no tab is open on the site?

Your approval is noted, and the agent is told there was no form to fill.

How long does a request wait?

Two minutes. After that the agent is told it wasn't answered.

Your passwords. Your keys. Your price.

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