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Open-source Stealth Browser MCP debuts with 97 tools to evade Cloudflare

June 28, 2026 at 15:07 EDT

AI Agents
Open Source
Security

An open-source project, Stealth Browser MCP, that lets AI agents drive a browser to bypass anti-bot systems such as Cloudflare has been released with 97 tools, drawing attention among developers. Authored by vibheksoni, it is distributed on GitHub under the MIT license.

Open Source · MCP Server Release

Stealth Browser MCP gives AI agents a real browser that walks past the bot walls

An open-source server lets AI clients like Claude Code and Cursor drive a real Chrome instance through natural language — bypassing anti-bot systems such as Cloudflare and Queue-It, with 97 tools spanning automation, network interception and UI cloning.

tools across 11 sections

feature sections · reducible to 20 tools in minimal mode

10 min

idle auto-shutdown, adjustable via env vars

Toolset scale

Run lean, or unlock the full arsenal

minimal mode

full mode

Roughly 5× more tools when fully enabled — block heights scaled to tool count.

How it works

AI Client

Claude Code · Cursor

→

MCP Server

FastMCP

→

nodriver + CDP

strips automation markers

→

Real Browser

Chrome · Chromium · Edge

A free alternative to paid anti-detect browsers

Developers see it standing in for commercial anti-detect tools that run roughly $200–500 / month — though detailed reports of real-world successes and failures remain limited for now.

Main features

Cloudflare / Queue-It bypass
Pixel-accurate element cloning
Network interception & request/response inspection
Dynamic hooks & AI-generated real-time traffic modification
Human-like input

Runs on

Windows · macOS · Linux
Docker · CI/CD
browsers auto-detected

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