CloakBrowser: review, pricing, security and alternatives

What CloakBrowser does

CloakBrowser belongs to the browser agents family: agents that open pages, click, fill in forms and extract information in place of a human. On our grid it ranks #6 of the 21 projects of this family listed in the directory.

It is not an agent in itself: it is a component other agents use (memory, isolated execution, web access, model gateway or monitoring). You pick it based on the agent or framework it has to equip.

You use it from: developer SDK. It can run on your own machine or server.

Who is CloakBrowser for?

It helps people who spend time on websites without an API: it clicks, fills in and reads pages for you. Typical tasks people give it:

• fill in repetitive forms
• collect prices or information across several sites
• test a website's user flow
• fetch documents from a customer portal

It is a good candidate if your data must stay on your machines.

Access and human control

According to its documentation, CloakBrowser can:

• drive a web browser

We could not establish whether it asks for human approval before sensitive actions: test it first on an unimportant account or folder.

CloakBrowser pricing

The code is free, under the MIT licence.

Getting started with CloakBrowser

1. Install it: the project ships as a Python package (install with pip or uv). The exact command is in the repository README.
2. Start with the minimal example from the docs, then add one tool at a time and check what the agent does with it.
3. Give it a short, checkable task, review the result and its action log, then raise the difficulty step by step.

Security: risk level

Every page visited may hide instructions: do not leave a browser agent logged into sensitive accounts without action approval.

Points found for CloakBrowser:

• Outside content: it reads web pages or API responses, which may contain booby-trapped instructions (prompt injection).

Three habits: least privilege (minimal rights, dedicated keys), human approval for irreversible actions, a sandbox for code execution. The AI agent security check reviews your setup in a few minutes.

Project activity and releases

Created on February 22, 2026, the CloakHQ/CloakBrowser repository has 32,455 stars, 2,692 forks and 135 open issues, with 366 commits in total. It received changes this month.

Over the last 52 weeks: 362 commits, an average of 7 per week.

31 releases in total; 30 in the last twelve months. Latest release: chromium-v155.0.8059.39.1-pro, on October 20, 2026.

CloakBrowser vs other browser agents

GitHub stars of the best-rated open-source projects in the browser agents family. Stars measure attention, not quality: a heavily promoted project collects them fast, a specialised tool will have few.

CloakBrowser and other browser agents at a glance

The 7 best-ranked agents in the same family, 7 of them open source. The score out of 100 only applies to open-source projects; for proprietary services we show the published entry price. A dash marks information the documentation does not state.

How we rated it

Score: 78/100, computed only from public, verifiable data, with no subjective testing or partnership:

• Adoption 30/40: 32,455 stars on a log scale (40 points from about 200,000).
• Activity 28/30: last commit less than a month ago, 16 releases in six months, 362 commits in a year.
• Framework 20/30: licence, default human approval, self-hosting, model choice and documentation site.

The score does not say whether the agent will succeed at your tasks: it measures how solid the project is. The full grid is on the method page.