CNMC (Comisión Mercados y Competencia) MCP Server for LangChainGive LangChain instant access to 2 tools to Datastore Search and Package Search
GDPR Free for SubscribersLangChain is the leading Python framework for composable LLM applications. Connect CNMC (Comisión Mercados y Competencia) 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 CNMC (Comisión Mercados y Competencia) 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.
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({
"cnmc-comision-mercados-y-competencia": {
"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 CNMC (Comisión Mercados y Competencia), 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 CNMC (Comisión Mercados y Competencia) MCP Server
Connect to the official Open Data portal of the CNMC (Comisión Nacional de los Mercados y la Competencia). This server allows AI agents to explore and extract public data regarding telecommunications, energy, transport, and postal sectors in Spain.
LangChain's ecosystem of 500+ components combines seamlessly with CNMC (Comisión Mercados y Competencia) 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 — Use
package_searchto find datasets, resources, and metadata using keywords or specific queries. - Data Extraction — Use
datastore_searchto pull actual records and rows from specific resources using their unique IDs. - Granular Filtering — Apply JSON filters to narrow down results to specific dates, regions, or categories within a dataset.
- Resource Inspection — Identify update frequencies, license types, and resource formats before processing data.
The CNMC (Comisión Mercados y Competencia) 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 CNMC (Comisión Mercados y Competencia) tools available for LangChain
When LangChain connects to CNMC (Comisión Mercados y Competencia) through Vinkius, your AI agent gets direct access to every tool listed below — spanning spain, market-regulation, open-data, 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.
Datastore search on CNMC (Comisión Mercados y Competencia)
g., a CSV file within a dataset). Requires a resource_id obtained via package_search. Retrieve actual records from a specific CNMC resource
Package search on CNMC (Comisión Mercados y Competencia)
Use this to find the resource_id needed for datastore_search. Search for datasets and resources in the CNMC catalog
Connect CNMC (Comisión Mercados y Competencia) to LangChain via MCP
Follow these steps to wire CNMC (Comisión Mercados y Competencia) 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 CNMC (Comisión Mercados y Competencia) MCP Server
LangChain provides unique advantages when paired with CNMC (Comisión Mercados y Competencia) through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine CNMC (Comisión Mercados y Competencia) 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 CNMC (Comisión Mercados y Competencia) queries for multi-turn workflows
CNMC (Comisión Mercados y Competencia) + LangChain Use Cases
Practical scenarios where LangChain combined with the CNMC (Comisión Mercados y Competencia) MCP Server delivers measurable value.
RAG with live data: combine CNMC (Comisión Mercados y Competencia) tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query CNMC (Comisión Mercados y Competencia), synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain CNMC (Comisión Mercados y Competencia) tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every CNMC (Comisión Mercados y Competencia) tool call, measure latency, and optimize your agent's performance
Example Prompts for CNMC (Comisión Mercados y Competencia) in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with CNMC (Comisión Mercados y Competencia) immediately.
"Search for datasets related to 'energía eléctrica' in the CNMC catalog."
"Get the first 5 records from the CNMC resource '06935639-5561-4608-9580-59367208479e'."
"Search for 'gas natural' datasets and filter the results for the year 2022."
Troubleshooting CNMC (Comisión Mercados y Competencia) MCP Server with LangChain
Common issues when connecting CNMC (Comisión Mercados y Competencia) to LangChain through Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersCNMC (Comisión Mercados y Competencia) + LangChain FAQ
Common questions about integrating CNMC (Comisión Mercados y Competencia) 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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