Aragón Open Data MCP Server for LangChainGive LangChain instant access to 15 tools to Count Datasets, Get Dataset, Get Organization, and more
GDPR Free for SubscribersLangChain is the leading Python framework for composable LLM applications. Connect Aragón Open Data 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
The Aragón Open Data MCP Server for LangChain is a standout in the Knowledge Management category — giving your AI agent 15 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport 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({
"aragon-open-data": {
"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 Aragón Open Data, 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 Aragón Open Data MCP Server
Connect to the Aragón Open Data portal and unlock a wealth of public information from the Government of Aragón. This MCP server allows your AI agent to browse, search, and analyze regional datasets, statistical views, and organizational metadata through natural language.
LangChain's ecosystem of 500+ components combines seamlessly with Aragón Open Data through native MCP adapters. Connect 15 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
- Data Exploration — List all available views and datasets from the GA_OD_Core and CKAN catalogs.
- Deep Data Preview — Fetch and preview actual records from specific views or resources with support for filtering and pagination.
- Schema Inspection — Understand the structure of data by retrieving column names and data types for any specific view.
- Advanced Search — Use Solr-powered queries to find specific datasets, tags, or organizations within the public catalog.
- Publisher Insights — Retrieve detailed information about the organizations and themes (groups) that publish data in the region.
The Aragón Open Data MCP Server exposes 15 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 15 Aragón Open Data tools available for LangChain
When LangChain connects to Aragón Open Data through Vinkius, your AI agent gets direct access to every tool listed below — spanning open-data, aragon, ckan, 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.
Count datasets on Aragón Open Data
Get total dataset count
Get dataset on Aragón Open Data
Get dataset details
Get organization on Aragón Open Data
Get publisher/organization details
Get tag on Aragón Open Data
Get tag details
List datasets on Aragón Open Data
List all datasets (packages)
List groups on Aragón Open Data
List all themes/groups
List organizations on Aragón Open Data
List all publishers/organizations
List tags on Aragón Open Data
List all tags
List views on Aragón Open Data
List all available views in Aragón Open Data
Most downloaded datasets on Aragón Open Data
Get most downloaded datasets
Newest datasets on Aragón Open Data
Get newest datasets
Preview data on Aragón Open Data
By default, it returns the first 1000 records. Preview data from a view or resource
Query sparql on Aragón Open Data
Supports ontologies like EI2A, Aragopedia, ELI, and DataCube. Execute a SPARQL query
Search datasets on Aragón Open Data
Search for datasets
Show columns on Aragón Open Data
Get information about columns for a specific view
Connect Aragón Open Data to LangChain via MCP
Follow these steps to wire Aragón Open Data into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
pip install langchain langchain-mcp-adapters langgraph langchain-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
python agent.pyExplore tools
Why Use LangChain with the Aragón Open Data MCP Server
LangChain provides unique advantages when paired with Aragón Open Data through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Aragón Open Data 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 Aragón Open Data queries for multi-turn workflows
Aragón Open Data + LangChain Use Cases
Practical scenarios where LangChain combined with the Aragón Open Data MCP Server delivers measurable value.
RAG with live data: combine Aragón Open Data tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Aragón Open Data, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Aragón Open Data tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Aragón Open Data tool call, measure latency, and optimize your agent's performance
Example Prompts for Aragón Open Data in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Aragón Open Data immediately.
"List all available data views in Aragón Open Data."
"Search for datasets related to 'turismo' in the catalog."
"Show me the first 5 records from the view with ID '702'."
Troubleshooting Aragón Open Data MCP Server with LangChain
Common issues when connecting Aragón Open Data to LangChain through Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersAragón Open Data + LangChain FAQ
Common questions about integrating Aragón Open Data 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?
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