fastbrowse

**Give your agent a browser.**

A browser agent that picks from the controls a page actually has, cites the page for every claim, and keeps
credentials, irreversible actions and spending under the control of code.

[](https://pypi.org/project/fastbrowse/)




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## Why fastbrowse

- **It picks, it does not invent.** Each page is indexed into the controls it has, and
  [Jev](https://typesafe.ai), a choice model, picks one. It cannot click something that is not on the page, and
  there are no selectors to maintain.
- **Answers you can check.** Every claim in a complete answer cites a verbatim quote from the page, with a link
  that scrolls to it. Pass a schema and get validated data back.
- **Code holds the keys.** Submit, pay, delete and send stop until you allow them. A secret is typed only on the
  origin it was declared for, and models only see its name. Step, time and dollar limits are enforced in code.
- **Any browser.** A Browser Use Cloud browser by default, local Chrome, or any Chromium browser or Electron app
  that is already running.
- **One agent, every interface.** A CLI, a Python library, Node and Go SDKs that need no Python, an MCP
  server, and a skill for coding agents.



Recorded on local Chrome against thepihut.com: 37 steps, about 4 minutes and $0.29 in model calls. Playback is sped
up with pauses cut. The full-resolution recording is [docs/assets/demo.mp4](docs/assets/demo.mp4).

On 46 tasks run three times each against the hosted Browser Use agent, under the same limits on Browser Use
Cloud browsers, fastbrowse passed 99.2% of runs to 96.3% and cost $0.0296 a run to $0.3180, 10.7x less. It was
slower: 18.9s a task to 15.3s. These figures are the published campaign, release-0.7.1; see
[How it compares](#how-it-compares).

## Try it

You ne