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 Google ADK 7 tools — connect in under 2 minutes

Name: Exchange Rates API
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 7 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Exchange Rates API as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="exchange_rates_api_agent",
    instruction=(
        "You help users interact with Exchange Rates API "
        "using 7 available tools."
    ),
    tools=[mcp_tools],
)

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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.

Google ADK natively supports Exchange Rates API as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 7 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

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 Google ADK 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 Google ADK via MCP

Follow these steps to integrate the Exchange Rates API MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 7 tools from Exchange Rates API via MCP

Why Use Google ADK with the Exchange Rates API MCP Server

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

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Exchange Rates API

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine Exchange Rates API tools with BigQuery, Vertex AI, and Cloud Functions

Exchange Rates API + Google ADK Use Cases

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

Enterprise data agents: ADK agents query Exchange Rates API and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Exchange Rates API tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Exchange Rates API regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Exchange Rates API

Exchange Rates API MCP Tools for Google ADK (7)

These 7 tools become available when you connect Exchange Rates API to Google ADK 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 Google ADK

Ready-to-use prompts you can give your Google ADK 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 Google ADK

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

McpToolset not found

Update: pip install --upgrade google-adk

Exchange Rates API + Google ADK FAQ

Common questions about integrating Exchange Rates API MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.