Dades Obertes Catalunya MCP Server for LangChainGive LangChain instant access to 2 tools to Query Dataset and Search Catalog

Name: Dades Obertes Catalunya
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Dades Obertes Catalunya 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 for LangChain

Open in ChatGPT Open in Claude Open in Perplexity

The Dades Obertes Catalunya MCP Server for LangChain is a standout in the Data Analytics category — giving your AI agent 2 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

Claude

ChatGPT

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Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

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({
        "dades-obertes-catalunya": {
            "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 Dades Obertes Catalunya, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

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EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Dades Obertes Catalunya MCP Server

Unlock the power of Dades Obertes Catalunya, the official open data platform of the Government of Catalonia. This MCP server allows your AI agent to browse thousands of public datasets and perform complex queries through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Dades Obertes Catalunya through native MCP adapters. Connect 2 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

Catalog Discovery — Search for datasets by keywords, categories, or tags to find relevant public information using the search_catalog tool.
Advanced Querying — Use SoQL (Socrata Query Language) via query_dataset to filter, select specific columns, and sort data from any dataset using its 4x4 identifier.
Data Analysis — Group results and perform full-text searches across entire datasets to extract insights on health, transport, economy, and more.
Pagination & Limits — Efficiently handle large datasets with built-in support for limits and offsets to browse records systematically.

The Dades Obertes Catalunya MCP Server exposes 2 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 2 Dades Obertes Catalunya tools available for LangChain

When LangChain connects to Dades Obertes Catalunya through Vinkius, your AI agent gets direct access to every tool listed below — spanning open-data, public-sector, dataset-discovery, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

query

Query dataset on Dades Obertes Catalunya

g., abcd-1234). Supports SoQL parameters like $select, $where, $limit. Query a specific dataset using SoQL parameters

Search catalog on Dades Obertes Catalunya

Returns dataset identifiers needed for the query_dataset tool. Search the Dades Obertes Catalunya catalog for datasets

Connect Dades Obertes Catalunya to LangChain via MCP

Follow these steps to wire Dades Obertes Catalunya into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

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 2 tools from Dades Obertes Catalunya via MCP

Why Use LangChain with the Dades Obertes Catalunya MCP Server

LangChain provides unique advantages when paired with Dades Obertes Catalunya through the Model Context Protocol.

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

Dades Obertes Catalunya + LangChain Use Cases

Practical scenarios where LangChain combined with the Dades Obertes Catalunya MCP Server delivers measurable value.

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

Autonomous research agents: LangChain agents query Dades Obertes Catalunya, synthesize findings, and generate comprehensive research reports

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

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

Example Prompts for Dades Obertes Catalunya in LangChain

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

"Search the catalog for datasets related to 'hospitals' in Catalonia."

"Query dataset 'abcd-1234' and show me the top 5 results where population is over 10000."

"List the columns available in dataset 'xyz1-2345' using a full-text search for 'electric'."

Troubleshooting Dades Obertes Catalunya MCP Server with LangChain

Common issues when connecting Dades Obertes Catalunya to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Dades Obertes Catalunya + LangChain FAQ

Common questions about integrating Dades Obertes Catalunya 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.