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b4n1-web

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by B4N1-com
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B4n1Web — Agentic Browser Engine

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

Related MCP server: Scout

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

This server cannot be installed

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

How are these scores calculated?

Maintenance

–Maintainers
–Response time
1wRelease cycle
10Releases (12mo)
Commit activity

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