Browserless MCP Server for LangChain 8 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Browserless through the Vinkius and LangChain agents can call every tool natively — combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
async def main():
# Your Vinkius token — get it at cloud.vinkius.com
async with MultiServerMCPClient({
"browserless": {
"transport": "streamable_http",
"url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
}
}) as client:
tools = client.get_tools()
agent = create_react_agent(
ChatOpenAI(model="gpt-4o"),
tools,
)
response = await agent.ainvoke({
"messages": [{
"role": "user",
"content": "Using Browserless, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Browserless MCP Server
Connect your Browserless.io account to any AI agent and orchestrate your headless Chrome operations, web automation, and document generation through natural conversation.
LangChain's ecosystem of 500+ components combines seamlessly with Browserless through native MCP adapters. Connect 8 tools via the Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures — with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
What you can do
- Visual Captures — Take high-quality screenshots of any URL with advanced options like full-page capture.
- Document Generation — Convert any web page into a polished PDF document directly from your workspace.
- Rendered Content — Retrieve the fully rendered HTML content of JavaScript-heavy websites.
- Custom Scraping — Run targeted scraping requests by providing element selectors to extract specific data.
- Infrastructure Monitoring — Monitor active sessions, retrieve usage statistics, and check the health of the Browserless service.
- Configuration Access — Access and verify your account configuration and limits using natural language.
The Browserless MCP Server exposes 8 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Browserless to LangChain via MCP
Follow these steps to integrate the Browserless MCP Server with LangChain.
Install dependencies
Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save the code and run python agent.py
Explore tools
The agent discovers 8 tools from Browserless via MCP
Why Use LangChain with the Browserless MCP Server
LangChain provides unique advantages when paired with Browserless through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents — combine Browserless MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across Browserless queries for multi-turn workflows
Browserless + LangChain Use Cases
Practical scenarios where LangChain combined with the Browserless MCP Server delivers measurable value.
RAG with live data: combine Browserless tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Browserless, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Browserless tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Browserless tool call, measure latency, and optimize your agent's performance
Browserless MCP Tools for LangChain (8)
These 8 tools become available when you connect Browserless to LangChain via MCP:
check_system_health
Check the health of the Browserless service
generate_pdf
Generate a PDF of a URL
get_account_config
Retrieve account configuration
get_page_content
Retrieve the rendered HTML content of a URL
get_usage_stats
Retrieve account usage statistics
list_active_sessions
List currently active browser sessions
run_scrape
Run a custom scraping script
take_screenshot
Take a screenshot of a URL using headless Chrome
Example Prompts for Browserless in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Browserless immediately.
"Take a full-page screenshot of https://news.ycombinator.com."
"Generate a PDF of the article at https://example.com/blog/post-1."
"Scrape the titles of all products on https://example.com/shop."
Troubleshooting Browserless MCP Server with LangChain
Common issues when connecting Browserless to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersBrowserless + LangChain FAQ
Common questions about integrating Browserless MCP Server with LangChain.
How does LangChain connect to MCP servers?
langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.Which LangChain agent types work with MCP?
Can I trace MCP tool calls in LangSmith?
Connect Browserless with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Browserless to LangChain
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.
