How many currencies are supported by this integration?

ExchangeRate-API supports over 160 world currencies. You can use the `list_supported_currencies` tool to see the full list of available codes and their corresponding names.

Can I perform a direct conversion between USD and EUR with a specific amount?

Yes! Use the `convert_currency_pair` tool and provide 'USD' in the `from` parameter, 'EUR' in the `to` parameter, and your desired amount. The agent will calculate the result based on the latest rates.

Is historical exchange rate data available?

Absolutely. You can use the `get_historical_rates` tool by providing the base currency and the specific year, month, and day. This allows you to audit financial records from any point in the past.

ExchangeRate-API MCP Server for LangChain 5 tools — connect in under 2 minutes

Name: ExchangeRate-API
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 5 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect ExchangeRate-API through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

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.

python

import 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({
        "exchangerate-api": {
            "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 ExchangeRate-API, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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 ExchangeRate-API MCP Server

Equip your AI agent with real-time financial intelligence via ExchangeRate-API. This unified server provides your agent with instant access to current and historical exchange rates for over 160 currencies. Your agent can search for the latest rates, audit currency pairs, and retrieve enriched metadata for any supported currency without you ever searching manually. Whether you are auditing international transactions or managing global financial operations, your agent acts as a dedicated currency analyst and conversion expert through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with ExchangeRate-API through native MCP adapters. Connect 5 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

Real-time Rates — Access the latest exchange rates for any base currency, updated in real-time.
Pair Conversion — Calculate exact exchange rates or convert specific amounts between any two currency codes.
Historical Auditing — Fetch exchange rates for any specific date in the past to analyze financial trends.
Currency Intelligence — List all supported currencies and retrieve enriched metadata including full names and flags.
Data Integrity — Retrieve reliable financial data used by thousands of companies worldwide.

The ExchangeRate-API MCP Server exposes 5 tools through the Vinkius. Connect it to LangChain 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 ExchangeRate-API to LangChain via MCP

Follow these steps to integrate the ExchangeRate-API MCP Server with LangChain.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 5 tools from ExchangeRate-API via MCP

Why Use LangChain with the ExchangeRate-API MCP Server

LangChain provides unique advantages when paired with ExchangeRate-API through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine ExchangeRate-API 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 ExchangeRate-API queries for multi-turn workflows

ExchangeRate-API + LangChain Use Cases

Practical scenarios where LangChain combined with the ExchangeRate-API MCP Server delivers measurable value.

RAG with live data: combine ExchangeRate-API tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query ExchangeRate-API, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain ExchangeRate-API tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every ExchangeRate-API tool call, measure latency, and optimize your agent's performance

ExchangeRate-API MCP Tools for LangChain (5)

These 5 tools become available when you connect ExchangeRate-API to LangChain via MCP:

convert_currency_pair

Convert between two currencies

get_enriched_currency_data

g., flag, full name). Get enriched currency information

get_historical_rates

Get historical exchange rates

get_latest_rates

g., USD). Get latest exchange rates

list_supported_currencies

List all supported currencies

Example Prompts for ExchangeRate-API in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with ExchangeRate-API immediately.

"Convert 100 USD to Brazilian Real."

"Show the current exchange rates for EUR."

"What was the exchange rate for USD to EUR on January 1st, 2020?"

Troubleshooting ExchangeRate-API MCP Server with LangChain

Common issues when connecting ExchangeRate-API to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

ExchangeRate-API + LangChain FAQ

Common questions about integrating ExchangeRate-API MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use 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?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.