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GuidesFebruary 5, 2026· 6 min read
Give Claude Code a real browser
Add Ferr as a tool so your coding agent can open pages, click, and read the live web.
PN
Priya N.
Developer Relations
Coding agents are great at code and blind to the running app. Wire Ferr in as a tool and your agent can open the page it just built and check its own work.
Expose the browser as a tool
tool.ts
import { Ferr } from 'ferr'; const ferr = new Ferr();export async function openPage(url: string) { const s = await ferr.sessions.create(); await s.goto(url); return s.snapshot();}Close the loop
Now the agent can navigate to its own preview, read the DOM, and fix what it sees — a real feedback loop instead of a guess.
Build it on Ferr
Launch your first cloud browser for free.
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