antidetect-browser-mcp
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@antidetect-browser-mcpopen profile 'main' and screenshot the page"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
antidetect-browser-mcp
Standalone MCP server for controlling BitBrowser antidetect profiles via Playwright with built-in behavioral stealth.
Designed for remote browser automation — the agent (OpenCode) runs on Linux and controls BitBrowser profiles on a Windows server via HTTP.
Features
21 MCP tools — profile management, navigation, inspection, interaction, advanced
Three-layer stealth — BitBrowser fingerprint + playwright-stealth + behavioral (Bezier mouse, human typing, persona-based RNG)
chrome.runtime patch — passes bot.sannysoft.com detection
HTTP transport — accessible remotely, works through SSH tunnel
Abstract browser client — BitBrowser now, Dolphin Anty / AdsPower later
210 unit tests + 24 live tests — 99.71% coverage
Related MCP server: agent-stealth-browser
Architecture
Linux (OpenCode agent) Windows (BitBrowser + MCP server)
┌──────────────────┐ ┌─────────────────────────┐
│ OpenCode │ SSH tunnel │ BitBrowser API (:54529) │
│ opencode.json → │◄──────────────►│ MCP server (:8765) │
│ localhost:8765 │ │ Playwright (CDP) │
└──────────────────┘ └─────────────────────────┘Tools
Category | Tools |
Profile |
|
Navigation |
|
Inspection |
|
Interaction |
|
Advanced |
|
Stealth layers
BitBrowser fingerprint — hardware-level spoofing (WebGL, Canvas, Audio, WebRTC)
playwright-stealth — navigator.webdriver, plugins, permissions, chrome object
Behavioral — Bezier curve mouse movement, variable-speed typing with occasional typos and correction, persona-based deterministic RNG (same profile = same behavior)
Installation
Prerequisites
Python 3.12+
uv package manager
BitBrowser running on the same machine
Setup
git clone https://github.com/slaid098/antidetect-browser-mcp.git
cd antidetect-browser-mcp
uv sync --extra devConfiguration
Create config.json in the project root:
{
"bitbrowser_url": "http://127.0.0.1:54529",
"mcp_host": "127.0.0.1",
"mcp_port": 8765
}Field | Default | Description |
|
| BitBrowser local API URL |
|
| MCP server bind address. Use |
|
| MCP server port |
|
| Bearer token for authentication (optional) |
Usage
Run MCP server
uv run antidetect-browser-mcpConnect from OpenCode (Linux)
Add to opencode.json:
{
"mcpServers": {
"antidetect-browser": {
"url": "http://localhost:8765"
}
}
}For remote access, set up an SSH tunnel:
autossh -M 0 -L 8765:localhost:8765 user@<windows-server-ip> -NAuto-start with NSSM (Windows)
nssm install antidetect-mcp "C:\path\to\uv.exe" "run antidetect-browser-mcp"
nssm set antidetect-mcp AppDirectory "C:\path\to\antidetect-browser-mcp"
nssm set antidetect-mcp Start SERVICE_AUTO_START
nssm start antidetect-mcpTesting
# Unit tests (no BitBrowser required, 210 tests)
uv run pytest tests/unit/ -m "not live" --cov=src --cov-report=term-missing
# Live tests (requires BitBrowser at 127.0.0.1:54529, 24 tests)
uv run pytest tests/live/ -m "live" --no-cov -v
# All tests
uv run pytest --cov=src --cov-report=term-missingQuality checks
uv run ruff check src/ tests/
uv run ruff format --check src/ tests/
uv run mypy src/Project structure
src/antidetect_browser_mcp/
├── server.py # FastMCP server entry point
├── config.py # Configuration loading
├── errors.py # Error formatting helpers
├── browsers/
│ ├── base.py # Abstract AntidetectBrowserClient
│ ├── models.py # Pydantic data models
│ └── bitbrowser/ # BitBrowser implementation
│ └── client.py # BitBrowser API client (httpx)
├── session/
│ ├── manager.py # SessionManager (Playwright + stealth)
│ └── playwright.py # Playwright lifecycle
├── stealth/
│ ├── persona.py # Deterministic RNG per profile
│ ├── mouse.py # Bezier curve mouse movement
│ ├── keyboard.py # Human-like typing with typos
│ └── patches.py # chrome.runtime init script
└── tools/
├── profiles.py # open/close/list profiles
├── navigation.py # navigate, reload, wait helpers
├── inspection.py # screenshot, get_dom, get_text
├── interaction.py # click, hover, type, press, scroll
└── advanced.py # execute_js, cookies, console, uploadTech stack
Component | Technology |
MCP framework | FastMCP (PrefectHQ) |
Browser automation | Playwright (CDP connection) |
Stealth | playwright-stealth + custom patches |
HTTP client | |
Validation | Pydantic v2 |
Logging | |
Testing | pytest, pytest-asyncio, pytest-cov |
Linting | ruff (strict), mypy (strict) |
License
MIT
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