VATNode MCP Server for LlamaIndex 6 tools — connect in under 2 minutes
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add VATNode as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
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Vinkius supports streamable HTTP and SSE.
import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to VATNode. "
"You have 6 tools available."
),
)
response = await agent.run(
"What tools are available in VATNode?"
)
print(response)
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 VATNode MCP Server
Empower your AI agent to orchestrate your entire VAT validation and tax auditing workflow with VATNode, the reliable source for global VAT intelligence. By connecting VATNode to your agent, you transform complex tax compliance tasks into a natural conversation. Your agent can instantly verify if a VAT number is valid, audit company registration details, and retrieve current tax rates for any country without you ever touching a manual lookup tool. Whether you are conducting financial due diligence or managing international invoicing, your agent acts as a real-time tax consultant, ensuring your business data is always verified and compliant.
LlamaIndex agents combine VATNode tool responses with indexed documents for comprehensive, grounded answers. Connect 6 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
What you can do
- VAT Auditing — Verify if any international VAT number is valid and retrieve detailed company metadata, including names and addresses.
- Tax Rate Oversight — Retrieve current standard and reduced VAT rates for any country to maintain a clear view of global tax obligations.
- Corporate Discovery — Query company details associated with a VAT number to assist in rapid financial background checks.
- Global Intelligence — List VAT rates for all supported countries to understand the reach of different tax systems instantly.
- Operational Monitoring — Check your API usage and account metadata to maintain strict control over your research volume.
The VATNode MCP Server exposes 6 tools through the Vinkius. Connect it to LlamaIndex 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 VATNode to LlamaIndex via MCP
Follow these steps to integrate the VATNode MCP Server with LlamaIndex.
Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.py and run: python agent.py
Explore tools
The agent discovers 6 tools from VATNode
Why Use LlamaIndex with the VATNode MCP Server
LlamaIndex provides unique advantages when paired with VATNode through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine VATNode tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain VATNode tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query VATNode, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what VATNode tools were called, what data was returned, and how it influenced the final answer
VATNode + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the VATNode MCP Server delivers measurable value.
Hybrid search: combine VATNode real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query VATNode to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying VATNode for fresh data
Analytical workflows: chain VATNode queries with LlamaIndex's data connectors to build multi-source analytical reports
VATNode MCP Tools for LlamaIndex (6)
These 6 tools become available when you connect VATNode to LlamaIndex via MCP:
get_api_usage
Check current VATNode API usage statistics
get_company_by_vat
Retrieve company details associated with a VAT number
get_country_tax_info
Get additional tax information for a country
get_country_vat_rates
Get current VAT rates for a specific country
list_all_vat_rates
List VAT rates for all supported countries
validate_vat_number
Verify if a VAT number is valid and retrieve company metadata
Example Prompts for VATNode in LlamaIndex
Ready-to-use prompts you can give your LlamaIndex agent to start working with VATNode immediately.
"Validate the VAT number 'DE123456789' using VATNode."
"What are the standard VAT rates in 'France' (FR)?"
"List all countries with a standard VAT rate above 20%."
Troubleshooting VATNode MCP Server with LlamaIndex
Common issues when connecting VATNode to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpVATNode + LlamaIndex FAQ
Common questions about integrating VATNode MCP Server with LlamaIndex.
How does LlamaIndex connect to MCP servers?
Can I combine MCP tools with vector stores?
Does LlamaIndex support async MCP calls?
Connect VATNode with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect VATNode to LlamaIndex
Get your token, paste the configuration, and start using 6 tools in under 2 minutes. No API key management needed.