Browser
A browser in every thread, driven by the agent or by you
An agent that can only read code has to guess whether the page looks right. In Eizen it opens the page and checks.
One per thread
Switch threads and the page keeps working
Each thread keeps its own tabs. A thread that is off screen can still load pages, click through them and capture screenshots, so a test in one thread never lands on the page another thread was using. Six stay loaded at a time, and the least recently used one closes first.
Watch it work
A pointer you can follow
As the agent works, a pointer moves across the page, the element it is about to touch gets an outline, and a chip says what it is doing.
| INV-20418 | Northwind Foods | $12,840.00 | late |
| INV-20431 | Calder Steel | $6,420.50 | open |
| INV-20437 | Ostrava Glass | $3,189.00 | paid |
| INV-20452 | Lindqvist Timber | $9,774.25 | open |
Two kinds of tab
Real sign-ins for websites and dev tools for localhost
Local pages and websites have different needs, so Eizen opens them differently.
| What it is | What you get | |
|---|---|---|
| Websites | A real WebView2 view placed over the panel | OAuth, cookies, captchas and logins work as they do in Edge |
| Local dev pages | A proxied view you can inspect | Element picker, tweaks, accessibility checks and error capture |
| Pages the agent opens | A real view at the true address | Screenshots off screen, and a developer view one click away |
What the agent can do
It works the page the way you would
A pointer moves across the page as the agent works, with an outline on the element and a chip that says what it is doing.
Open and manage tabs
Goes to a URL, opens more tabs, switches between them.
Read the page
Gets the text and structure of what is showing.
Click, type, press, scroll
Acts on the page the same way a person would.
Take screenshots
Looks at the page, and it works off screen.
Read errors
Console errors and failed requests from the page.
Ask first, if you want
One setting decides whether the agent opens the browser freely or asks.
What you can do
Point at the problem so you can stop describing it
Move over a tool to see it work.
| INV-20418 | Northwind Foods | $12,840.00 | late |
| INV-20431 | Calder Steel | $6,420.50 | open |
| INV-20437 | Ostrava Glass | $3,189.00 | paid |
| INV-20452 | Lindqvist Timber | $9,774.25 | open |
Sends its selector, markup, source file and a crop to the agent.
| INV-20418 | Northwind Foods | $12,840.00 | late |
| INV-20431 | Calder Steel | $6,420.50 | open |
| INV-20437 | Ostrava Glass | $3,189.00 | paid |
| INV-20452 | Lindqvist Timber | $9,774.25 | open |
Arrows, boxes and labels, flattened into your message.
Drag padding or edit text, then send the exact changes.
Clicks, keys and errors become numbered steps, or a Playwright test.
Runs axe-core in the page and lists problems by impact.
| INV-20418 | Northwind Foods | $12,840.00 | late |
| INV-20431 | Calder Steel | $6,420.50 | open |
| INV-20437 | Ostrava Glass | $3,189.00 | paid |
| INV-20452 | Lindqvist Timber | $9,774.25 | open |
| INV-20418 | Northwind Foods | $12,840.00 | late |
| INV-20431 | Calder Steel | $6,420.50 | open |
| INV-20437 | Ostrava Glass | $3,189.00 | paid |
| INV-20452 | Lindqvist Timber | $9,774.25 | open |
Pin a screenshot and drag a divider against the current page.
Desktop, tablet and phone widths, or capture all three.
Errors
Page errors arrive with your next message
Errors from the page collect in a chip above the composer. Send your message and they go along with it, so the agent starts from the stack trace you were about to paste.

Open a lane on the repo you were going to work on anyway
The setup checklist handles Claude Code, sign-in and Git, so you won't need a terminal.











