Bring Financial News
to LangChain
Create your Vinkius account to connect Marketaux to LangChain and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Marketaux MCP Server?
Connect your Marketaux account to any AI agent and stay on top of the financial markets through natural conversation.
What you can do
- Financial News — Search global news by symbol, keyword, or language
- Sentiment Analysis — Filter news by market sentiment to understand impacts
- Market Data — Query symbols, entities, exchanges, and industries
- Live Status — Check stock market status and global indices
How it works
- Subscribe to this server
- Enter your Marketaux API Token
- Start querying financial intelligence from Claude, Cursor, or any MCP-compatible client
Built-in capabilities (10)
) tracked by Marketaux. Get entity data
List stock indices
Get the latest financial news
Get news with sentiment analysis
Get stock market status
List supported stock symbols
Get trending financial news
List industries
Search for stock exchanges
Search for global financial news
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Marketaux 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.
- —
The largest ecosystem of integrations, chains, and agents. combine Marketaux MCP tools with 500+ LangChain components
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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
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Memory and conversation persistence let agents maintain context across Marketaux queries for multi-turn workflows
Marketaux in LangChain
Why run Marketaux with Vinkius?
The Marketaux connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Marketaux using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Marketaux and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Marketaux to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Marketaux for LangChain
Every request between LangChain and Marketaux is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I find my Marketaux API Token?
Log in to your Marketaux account and navigate to the Dashboard to see your API Token.
What stock symbols are supported?
Marketaux supports most major global stock symbols. You can use the get_symbols tool to search for specific ones.
Is the sentiment analysis accurate?
Marketaux uses advanced AI to score news sentiment. Your token is encrypted at rest and injected securely at runtime.
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.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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