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B4n1web

Created By
B4N1-coma month ago
B4n1Web is an ultra-lightweight agentic browser engine (6MB) for AI agents. It provides three browsing modes: Light (HTTP fetch + HTML parsing), JS (JavaScript extraction), and Render (full headless browser with Chromium). Perfect for web scraping, data extraction, E2E testing, and autonomous AI agents that need to navigate and extract content from websites without the overhead of a full browser. Features: - Ultra-lightweight binary (6MB) - Python SDK available on PyPI - MCP server for integration with Claude, Cursor, OpenCode, Windsurf, Antigravity - SQLite-based SecurityShield for safe browsing - Multiple modes: Light, JS, Render MCP Server: Command: b4n1web mcp -p 8080 Port is configurable — change 8080 to any available port Tools: goto (navigate & extract content), get_links (extract all links from current page)
# browser
# agent
OverviewContentToolsComments
Content

B4n1Web - Ultra-lightweight Agentic Browser Engine

Installation

Binary (6MB) curl -sL https://github.com/B4N1-com/b4n1-web/releases/latest/download/b4n1web-v0.6.2-flat.tar.gz | tar -xz && ./b4n1web --version Python SDK pip install b4n1-web

Quick Start

from b4n1web import AgentBrowser, BrowserMode browser = AgentBrowser(mode=BrowserMode.LIGHT) page = browser.goto("https://example.com") print(page.markdown) print(page.links) browser.close()

MCP Server

b4n1web mcp -p 8080 Then connect via your MCP client. Port is configurable.

Features

  • Ultra-lightweight binary (6MB)
  • Python SDK available on PyPI
  • MCP server for integration with Claude, Cursor, OpenCode, Windsurf, Antigravity
  • SQLite-based SecurityShield for safe browsing
  • Multiple modes: Light, JS, Render

Modes

  • Light: HTTP fetch + HTML parsing (~6MB)
  • JS: Light + JavaScript tag extraction (~6MB)
  • Render: Full headless Chromium with screenshots

Tools

  • goto(url, mode="light") - Navigate and extract content
  • get_links() - Get all links from current page
  • get_screenshots() - Get screenshot in render mode

Server Config

{
  "mcpServers": {
    "b4n1web": {
      "command": "b4n1web",
      "args": [
        "mcp",
        "-p",
        "8080"
      ]
    }
  }
}
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