How do I get a DeveloperHub API Key?

Log in to your DeveloperHub account, navigate to **Project Settings > API**, and you can generate or retrieve your unique API Key from that section.

Can the agent retrieve the Markdown content of a page?

Yes, you can use the get_documentation_page_content tool to retrieve the full technical structure and text content of any page in your project.

Does the integration support searching across portals?

You can search within a specific project using the search_documentation_portal tool. To search across multiple portals, simply perform separate queries for each project ID.

DeveloperHub MCP Server for LangChain 10 tools — connect in under 2 minutes

Name: DeveloperHub
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 10 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect DeveloperHub through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

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({
        "developerhub": {
            "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 DeveloperHub, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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About DeveloperHub MCP Server

Integrate DeveloperHub, the specialized platform for developer documentation, directly into your AI workflow. Manage your documentation portals, monitor page updates and versions, and track product changelogs using natural language.

LangChain's ecosystem of 500+ components combines seamlessly with DeveloperHub through native MCP adapters. Connect 10 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

Project Oversight — List and retrieve technical metadata for all your documentation projects and portals.
Page Management — Access the full page hierarchy, retrieve Markdown content, and track recent updates.
Version Control — Monitor available documentation versions and identify which one is currently active.
Changelog Tracking — List product release notes and updates associated with your documentation projects.

The DeveloperHub MCP Server exposes 10 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 DeveloperHub to LangChain via MCP

Follow these steps to integrate the DeveloperHub 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 10 tools from DeveloperHub via MCP

Why Use LangChain with the DeveloperHub MCP Server

LangChain provides unique advantages when paired with DeveloperHub through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine DeveloperHub 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 DeveloperHub queries for multi-turn workflows

DeveloperHub + LangChain Use Cases

Practical scenarios where LangChain combined with the DeveloperHub MCP Server delivers measurable value.

RAG with live data: combine DeveloperHub tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query DeveloperHub, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain DeveloperHub tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every DeveloperHub tool call, measure latency, and optimize your agent's performance

DeveloperHub MCP Tools for LangChain (10)

These 10 tools become available when you connect DeveloperHub to LangChain via MCP:

get_account_metadata

Retrieve metadata and usage limits for your DeveloperHub account

get_documentation_page_content

Get the full content and metadata for a specific documentation page

get_documentation_project_details

Get detailed information for a specific documentation project

get_documentation_sitemap

Retrieve a structural map of all pages in a project

list_documentation_pages

List all pages and sub-pages within a specific project

list_documentation_projects

List all documentation projects in your DeveloperHub account

list_documentation_versions

List all versions (e.g. v1.0, v2.0) available for a project

list_product_changelogs

List all changelog entries associated with a documentation project

list_recently_updated_pages

Identify documentation pages that have been recently modified

search_documentation_portal

Search for specific keywords across all pages in a documentation project

Example Prompts for DeveloperHub in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with DeveloperHub immediately.

"List all documentation pages in the 'API-Reference' project."

"What were the latest updates in our project changelog?"

"Search for 'webhooks' in our documentation portal."

Troubleshooting DeveloperHub MCP Server with LangChain

Common issues when connecting DeveloperHub to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

DeveloperHub + LangChain FAQ

Common questions about integrating DeveloperHub MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use 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?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.