CloakBrowser Agent — Development skill for Claude Code
Jev-powered stealth browser agent.
How to install CloakBrowser Agent
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open CloakHQ/CloakBrowser-Agent and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What CloakBrowser Agent does
Jev-powered stealth browser agent. TypeSafe Jev decides each step in ~0.3 s, CloakBrowser carries it out like a human. MCP server, CLI and Python API.
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README
CloakBrowser Agent: a Jev-powered stealth browser agent
**Give it a goal in plain language. [TypeSafe Jev](https://docs.typesafe.ai/introduction) decides every step in ~0.3 s, [CloakBrowser](https://github.com/CloakHQ/CloakBrowser) carries it out like a human, and you get the result back as markdown.**
browse(goal="Search Google for 'CloakBrowser GitHub', open the CloakHQ/CloakBrowser repository on GitHub
from the results, and find how many stars it has and what the latest release is.",
url="https://www.google.com")
status: done
tab_id: t1 (still open)
url: https://github.com/CloakHQ/cloakbrowser/releases
title: Releases · CloakHQ/CloakBrowser
steps: 3 actions, 5 decisions, 12918 ms
actions taken (p = Jev's probability for the chosen target; runner-ups in brackets):
1. fill 'Išči' = 'CloakBrowser GitHub' p=1.0
2. click 'cloakbrowser github' p=0.59 ['Iskanje Google' p=0.25, 'cloakhq cloakbrowser github' p=0.13]
3. click 'CloakHQ/CloakBrowser' p=0.96 ['Open Išči' p=0.04]
...
[Star 31.8k](...)
# Releases: CloakHQ/CloakBrowser
## Chromium v152.0.7977.82.1 — ... [Latest](https://github.com/CloakHQ/CloakBrowser/releases/latest)
...
*A real run, trimmed. Google's labels are in Slovenian because of where the test machine is.*
It works as an **MCP server** (Claude Code, Cursor, Claude Desktop, any MCP client), a **CLI**, or a **Python library**. It runs on [CloakBrowser](https://github.com/CloakHQ/CloakBrowser), a stealth Chromium with human-like mouse and keyboard input.
Why Jev
Most browser agents ask a large language model to *write* the next action, which costs seconds per step. [Jev](https://docs.typesafe.ai/introduction) is TypeSafe's first **System One** model. It doesn't generate text: you give it the current state plus typed questions, and it returns an answer with calibrated probabilities. A browser step is exactly that kind of question: *which of these controls, doing what?*
- **One requ
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