How do I get an Exchange Rates API Key?

You can sign up for a free account at [**ExchangeRatesAPI.io**](https://exchangeratesapi.io). Once registered, your **API Access Key** will be available in your dashboard.

What is the default base currency?

For Free and Basic plans, the default base currency is **EUR**. Premium plans allow you to specify any supported currency as the base for exchange rate data.

How far back does historical data go?

Exchange Rates API provides historical exchange rate data dating back to **1999** for most major currencies.

Exchange Rates API MCP Server for LlamaIndex 7 tools — connect in under 2 minutes

Name: Exchange Rates API
Availability: InStock
Author: Vinkius

docs.llamaindex.ai/en/stable/module_guides/tools/mcp

Built by Vinkius GDPR 7 Tools Framework

LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Exchange Rates API 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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ASK AI ABOUT THIS MCP SERVER

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python

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 Exchange Rates API. "
            "You have 7 tools available."
        ),
    )

    response = await agent.run(
        "What tools are available in Exchange Rates API?"
    )
    print(response)

asyncio.run(main())

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About Exchange Rates API MCP Server

Integrate ExchangeRatesAPI.io, the reliable foreign exchange rates and currency conversion API, directly into your AI workflow. Access real-time reference rates for 170+ currencies, retrieve historical data dating back to 1999, monitor currency fluctuations, and perform instant conversions using natural language.

LlamaIndex agents combine Exchange Rates API tool responses with indexed documents for comprehensive, grounded answers. Connect 7 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

Real-time Market Data — Retrieve the latest exchange rates for global currencies relative to a base currency (default: EUR).
Historical Analysis — Access granular technical metadata for any past date to track currency value trends.
Currency Conversion — Perform instant calculations between currencies using official reference rates.
Market Auditing — Retrieve high-level summaries of top global market rates and fluctuation statistics instantly.

The Exchange Rates API MCP Server exposes 7 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 Exchange Rates API to LlamaIndex via MCP

Follow these steps to integrate the Exchange Rates API 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 7 tools from Exchange Rates API

Why Use LlamaIndex with the Exchange Rates API MCP Server

LlamaIndex provides unique advantages when paired with Exchange Rates API through the Model Context Protocol.

Data-first architecture: LlamaIndex agents combine Exchange Rates API tool responses with indexed documents for comprehensive, grounded answers

Query pipeline framework lets you chain Exchange Rates API tool calls with transformations, filters, and re-rankers in a typed pipeline

Multi-source reasoning: agents can query Exchange Rates API, a vector store, and a SQL database in a single turn and synthesize results

Observability integrations show exactly what Exchange Rates API tools were called, what data was returned, and how it influenced the final answer

Exchange Rates API + LlamaIndex Use Cases

Practical scenarios where LlamaIndex combined with the Exchange Rates API MCP Server delivers measurable value.

Hybrid search: combine Exchange Rates API real-time data with embedded document indexes for answers that are both current and comprehensive

Data enrichment: query Exchange Rates API 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 Exchange Rates API for fresh data

Analytical workflows: chain Exchange Rates API queries with LlamaIndex's data connectors to build multi-source analytical reports

Exchange Rates API MCP Tools for LlamaIndex (7)

These 7 tools become available when you connect Exchange Rates API to LlamaIndex via MCP:

convert_currency_amount

Convert an amount from one currency to another

get_currency_fluctuation_data

Get data on how currencies fluctuated on a day-to-day basis

get_exchange_rate_timeseries

Get daily historical rates for a specific time period

get_historical_exchange_rates

Get historical exchange rates for a specific date

get_latest_exchange_rates

Get the latest foreign exchange reference rates

get_top_market_rates

Retrieve the latest rates for top global market currencies (USD, GBP, JPY, CAD)

list_supported_currencies

List all available currency symbols and names

Example Prompts for Exchange Rates API in LlamaIndex

Ready-to-use prompts you can give your LlamaIndex agent to start working with Exchange Rates API immediately.

"What is the current exchange rate for USD and GBP relative to EUR?"

"Convert 1500 EUR to JPY."

"Get historical rates for January 1st, 2020."

Troubleshooting Exchange Rates API MCP Server with LlamaIndex

Common issues when connecting Exchange Rates API to LlamaIndex through the Vinkius, and how to resolve them.

BasicMCPClient not found

Install: pip install llama-index-tools-mcp

Exchange Rates API + LlamaIndex FAQ

Common questions about integrating Exchange Rates API MCP Server with LlamaIndex.

How does LlamaIndex connect to MCP servers?

Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.

Can I combine MCP tools with vector stores?

Yes. LlamaIndex agents can query Exchange Rates API tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.