How do I find my Nubarium API Key?

Log in to your [**Nubarium dashboard**](https://nubarium.com/), and you will find your API Key under the 'API Settings' or 'My Keys' section. Copy and paste it below.

Can the agent validate Mexican tax IDs (RFC)?

Yes. Use the `validate_mex_rfc` tool providing the RFC string. Your agent will verify its status with official sources instantly.

Is CURP validation supported for individuals?

Yes. The `validate_mex_curp` tool allows your agent to check the identity status of individuals in Mexico using their unique CURP ID.

Nubarium MCP Server for Claude Desktop 6 tools — connect in under 2 minutes

Name: Nubarium
Availability: InStock
Author: Vinkius

modelcontextprotocol.io/quickstart/user

Built by Vinkius GDPR 6 Tools IDE

Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.

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.

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Nubarium and 2,500+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·json

{
  "mcpServers": {
    "nubarium": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

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 Nubarium MCP Server

Empower your AI agent to orchestrate your entire Mexican identity and corporate research workflow with Nubarium, the leading platform for Mexican data intelligence. By connecting Nubarium to your agent, you transform complex national lookups into a natural conversation. Your agent can instantly validate RFC (Tax ID) and CURP (Identity ID) records, audit company profiles, and verify legal representative status without you ever touching a manual portal. Whether you are conducting KYC checks or regional due diligence, your agent acts as a real-time institutional analyst, ensuring your Mexican data is always verified and up-to-date.

Claude Desktop is the definitive way to connect Nubarium to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 6 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

What you can do

Identity Auditing — Validate Mexican CURP records and retrieve detailed personal metadata, including names and birth details.
Tax Oversight — Verify RFC registration status and retrieve comprehensive tax profiles for individuals and businesses.
Corporate Discovery — Search for Mexican companies by name and retrieve detailed dossiers to understand organizational status.
Compliance Intelligence — Verify the link between legal representatives and companies to assist in due diligence.
Operational Monitoring — Check API usage metadata to maintain strict control over your research volume.

The Nubarium MCP Server exposes 6 tools through the Vinkius. Connect it to Claude Desktop 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 Nubarium to Claude Desktop via MCP

Follow these steps to integrate the Nubarium MCP Server with Claude Desktop.

Open Claude Desktop Settings

Go to Settings → Developer → Edit Config to open claude_desktop_config.json

Add the MCP Server

Paste the configuration above into the mcpServers section

Restart Claude Desktop

Close and reopen Claude Desktop to load the new server

Start using Nubarium

Look for the 🔌 icon in the chat. your 6 tools are now available

Why Use Claude Desktop with the Nubarium MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with Nubarium through the Model Context Protocol.

Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

Nubarium + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the Nubarium MCP Server delivers measurable value.

Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation

Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language

Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary

Learning and training: new team members can explore API capabilities conversationally without needing to read documentation

Nubarium MCP Tools for Claude Desktop (6)

These 6 tools become available when you connect Nubarium to Claude Desktop via MCP:

get_api_usage

Get current API usage metadata from Nubarium

get_mex_company_details

Get full details for a Mexican company by ID

search_mex_companies

Search for companies in Mexico by name

validate_mex_curp

Validate a Mexican CURP (identity ID) and retrieve details

validate_mex_legal_representative

Verify the legal representative status for an RFC and CURP

validate_mex_rfc

Validate a Mexican RFC (tax ID) and retrieve details

Example Prompts for Nubarium in Claude Desktop

Ready-to-use prompts you can give your Claude Desktop agent to start working with Nubarium immediately.

"Validate the Mexican RFC 'ABC123456XYZ' using Nubarium."

"Check the Mexican CURP for 'John Doe'."

"Find companies in Mexico with name 'Soluciones Tech'."

Troubleshooting Nubarium MCP Server with Claude Desktop

Common issues when connecting Nubarium to Claude Desktop through the Vinkius, and how to resolve them.

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

Nubarium + Claude Desktop FAQ

Common questions about integrating Nubarium MCP Server with Claude Desktop.

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.