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Stealth-Browser-MCP-Server

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Electron Stealth

Standalone desktop application — real Chrome fingerprint browser + MCP automation server.

Core value: Not a lightweight Playwright/Puppeteer wrapper. Real Electron Chromium browser with navigator.webdriver = false, real window.chrome, 5 plugins, fingerprint identical to normal Chrome.

Quick Start

1. Launch the app

# From source:
npm start

# Or double-click the built executable:
# dist/ElectronStealth-1.0.0.exe (Windows portable, no install needed)

  • Browser window opens, showing the status page

  • TCP MCP server starts on 127.0.0.1:19999

  • Window title shows connection status

2. Use with Claude Code (recommended)

Configure ~/.claude.json:

"mcpServers": {
  "electron-stealth": {
    "command": "node",
    "args": ["src/bridge.js"],
    "cwd": "<path-to-electron-stealth>"
  }
}

Restart Claude Code. Then use 32 MCP tools directly:

Open https://example.com
Screenshot
Get page HTML
Click [data-testid="submit-btn"]
Type test@example.com in input[name="email"]

3. Direct TCP access (without Claude Code)

# Run the example extraction script:
node scripts/extract_product.js

# Or write your own client connecting to 127.0.0.1:19999

Related MCP server: MCP Camoufox

Architecture

┌─────────────────┐     stdio      ┌──────────────┐     TCP :19999     ┌────────────────────┐
│   Claude Code   │ ←───────────→ │  bridge.js   │ ←───────────────→ │  Electron Stealth  │
│   (MCP client)  │                │  (Node.js)   │                    │  (Chromium + MCP)  │
└─────────────────┘                └──────────────┘                    └────────────────────┘
                                                                       │
                                                                       ├─ BrowserWindow (visible)
                                                                       ├─ CDP debugger (stealth injection)
                                                                       ├─ TCP MCP Server
                                                                       └─ BrowserController (32 tools)

Why not stdio direct?

On Windows, Electron GUI apps cannot reliably communicate with the parent process via stdio (ELECTRON_NO_ATTACH_CONSOLE disconnects pipes). bridge.js solves this: it runs as a pure Node.js process connected to Claude Code's stdio, then forwards to the Electron app via TCP.

All 32 Tools

Category

Tool

Description

Navigation

navigate

Open URL

go_back

Navigate back

go_forward

Navigate forward

reload

Reload page

Interaction

click

Click by CSS selector

click_xy

Click by coordinates

type

Type text (optional selector focus)

type_xy

Click at coords then type

keypress

Key press (supports Ctrl/Alt/Shift/Meta)

scroll

Scroll page

mousemove

Move mouse

Reading

screenshot

Screenshot (viewport or full page) → base64 PNG

screenshot_element

Element screenshot

evaluate

Execute JS, return result

get_html

Get complete HTML

get_text

Get visible text

get_url

Get current URL

snapshot

Structured snapshot of interactive elements

element_info

Detailed single-element info

Forms

select_option

Select dropdown option (value or label)

upload_file

Upload files

handle_dialog

Handle alert/confirm/prompt

Wait

wait

Wait for time or selector appearance

wait_for_network

Wait for network idle

Capture

network_capture_start

Start capturing requests/responses

network_capture_stop

Stop and return captured data

network_get_response

Get response body for a request

Record

record_start

Start recording actions (key-value selectors)

record_stop

Stop recording, return Flow JSON

record_status

Check recording status

Flow

run_flow

Execute recorded/hand-written Flow, supports {{VAR}}

Stealth Detection

Check

Status

navigator.webdriver

false

window.chrome

Real object

navigator.plugins

5

navigator.platform

Win32

navigator.languages

Configured

Chrome PDF Plugin

Present

Permissions.query('notifications')

prompt

Flow Recording

# 1. Start recording
record_start

# 2. Perform actions (manual browser or MCP)
click [data-testid="login-btn"]
type user@test.com in input[name="email"]
type password123 in input[type="password"]

# 3. Stop recording, get Flow JSON
record_stop name="Login Flow"

# 4. Replay anytime
run_flow flow={...}

Recording uses key-value selector priority: data-testid > id > name > aria-label > placeholder > title > text > class > role > type. Coordinate-independent, stable across window sizes.

Network Capture

network_capture_start
navigate https://target-site.com
wait_for_network timeout=10000 idleTime=500
data = network_capture_stop()
# data.summary.xhrApiCalls  → API call list
# data.summary.byDomain      → Domain distribution

Build

npm install
npm run build:portable
# Output: dist/ElectronStealth-1.0.0.exe (~73MB, single file, portable)

On macOS/Linux, adjust the build.win.target in package.json to your platform.

Troubleshooting

Issue

Solution

Page shows garbled text/CSS

Confirm latest version (base64-encoded fix)

Port in use

Close all Electron Stealth windows, or kill the process

MCP tools not visible

Restart Claude Code to load MCP config

Need Playwright Chromium?

No! Electron Stealth has its own Chromium

Blocked by anti-bot?

Uses real Chrome fingerprint, usually not blocked

This server cannot be installed

A
license - permissive license
-
quality - not tested
C
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

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