Hacker News MCP Server for LangChain 3 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Hacker News through 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({
"hacker-news": {
"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 Hacker News, 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 Hacker News MCP Server
Connect to Hacker News (Y Combinator) and take full control of your tech news consumption, discussion auditing, and trend tracking through natural conversation.
LangChain's ecosystem of 500+ components combines seamlessly with Hacker News through native MCP adapters. Connect 3 tools via 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
- Front Page Orchestration — Fetch current Top stories to retrieve popular social links, titles, scores, and author metadata natively within your chat
- Real-time Submission Tracking — Iterate through chronological submissions to discover cutting-edge tech updates and new project launches flawlessly
- Detailed Item Auditing — Read the full contents of specific HN items (stories, comments, or polls) by their numeric IDs to extract exact textual context
- Clean Comment Retrieval — Retrieve discussion threads with HTML comments converted cleanly into Markdown, allowing your AI agent to reason with structured conversations limitlessly
- Story Metadata Inspection — Analyze specific node blocks identifying submission times, URL references, and total comment counts synchronously
- Trend Discovery — Identify high-ranking tech discussions and gather required IDs to browse and discover ongoing community debates natively
The Hacker News MCP Server exposes 3 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 Hacker News to LangChain via MCP
Follow these steps to integrate the Hacker News 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 3 tools from Hacker News via MCP
Why Use LangChain with the Hacker News MCP Server
LangChain provides unique advantages when paired with Hacker News through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Hacker News 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 Hacker News queries for multi-turn workflows
Hacker News + LangChain Use Cases
Practical scenarios where LangChain combined with the Hacker News MCP Server delivers measurable value.
RAG with live data: combine Hacker News tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Hacker News, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Hacker News tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Hacker News tool call, measure latency, and optimize your agent's performance
Hacker News MCP Tools for LangChain (3)
These 3 tools become available when you connect Hacker News to LangChain via MCP:
get_item
Read the detailed contents of a specific Hacker News item (a story, comment, or poll) by its ID. Returns HTML comments converted cleanly to Markdown
new_stories
Fetch the most recently submitted stories on Hacker News
top_stories
Fetch the current Top stories on the Hacker News front page
Example Prompts for Hacker News in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Hacker News immediately.
"Show me the top 5 stories on Hacker News right now"
"Get details and comments for HN item 123456"
"What are the newest submissions on tech launches?"
Troubleshooting Hacker News MCP Server with LangChain
Common issues when connecting Hacker News to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersHacker News + LangChain FAQ
Common questions about integrating Hacker News 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 Hacker News with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Microsoft's framework for multi-agent collaborative conversations.
Connect Hacker News to LangChain
Get your token, paste the configuration, and start using 3 tools in under 2 minutes. No API key management needed.