Command Palette

Search for a command to run...

UnylyUnyly
Browse all

B4n1Web

FreeNot checked

Ultra-lightweight browser engine for AI agents. 33 MCP tools, 4 SDKs, cross-platform.

GitHubEmbed

About

Ultra-lightweight browser engine for AI agents. 33 MCP tools, 4 SDKs, cross-platform.

README

GitHub PyPI npm NuGet Maven Central Docs

Ultra-lightweight headless browser for AI agents.

📖 Full documentation: https://B4N1-com.github.io/b4n1-web/ Single Rust binary, 4 language SDKs. Navigate URLs, extract structured content (markdown, links, screenshots), and build autonomous agent workflows.

Quick Start

# Install the binary
curl -sL https://b4n1.com/install | bash

# Or use your preferred package manager
pip install b4n1-web
npm install b4n1-web
dotnet add package B4n1Web
# Java: add dependency from Maven Central
from b4n1web import AgentBrowser

browser = AgentBrowser()
page = browser.goto("https://example.com")
print(page.markdown)
browser.close()

MCP Server

# stdio mode (default)
b4n1web mcp

# Or with each SDK
npx b4n1-web mcp
uvx b4n1-web mcp

SDK Matrix

Language Package Version Binary
Python b4n1-web 0.12.2 Bundled (musl)
JavaScript/TypeScript b4n1-web 0.12.2 Bundled (musl)
Java com.b4n1:b4n1-web 0.12.2 Bundled (musl)
C# (.NET) B4n1Web 0.12.2 Bundled (musl)

Browser Modes

Mode Description RAM Startup
Light HTTP fetch + HTML parsing ~15MB Instant
JS Light + JavaScript extraction ~15MB Instant
Render Full Chromium + screenshots ~100MB ~2s

Features

  • 33 MCP tools for AI agent integration
  • 4 language SDKs (Python, JS, Java, C#)
  • Self-contained binary ~11MB, no dependencies
  • Static linking (musl) — works on any Linux, no glibc required
  • Three modes: Light (instant), JS (scripts), Render (Chromium)
  • Security shield: domain filtering, safe browsing
  • Network interception: block resources, mock responses
  • MCP Server: stdio transport, no port needed

Documentation

Links

License

MIT

from github.com/B4N1-com/b4n1-web

Install B4n1Web in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE
unyly install b4n1web

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add b4n1web -- npx -y b4n1-web

FAQ

Is B4n1Web MCP free?

Yes, B4n1Web MCP is free — one-click install via Unyly at no cost.

Does B4n1Web need an API key?

No, B4n1Web runs without API keys or environment variables.

Is B4n1Web hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install B4n1Web in Claude Desktop, Claude Code or Cursor?

Open B4n1Web on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

Related MCPs

Compare B4n1Web with

Not sure what to pick?

Find your stack in 60 seconds

Author?

Embed badge for your README

Browse similar

All browse MCPs