# How to integrate Fixer MCP with Hermes

```json
{
  "title": "How to integrate Fixer MCP with Hermes",
  "toolkit": "Fixer",
  "toolkit_slug": "fixer",
  "framework": "Hermes",
  "framework_slug": "hermes-agent",
  "url": "https://composio.dev/toolkits/fixer/framework/hermes-agent",
  "markdown_url": "https://composio.dev/toolkits/fixer/framework/hermes-agent.md",
  "updated_at": "2026-05-06T08:11:58.223Z"
}
```

## Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.
This guide explains the easiest and most robust way to connect your Fixer account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

## Also integrate Fixer with

- [OpenAI Agents SDK](https://composio.dev/toolkits/fixer/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/fixer/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/fixer/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/fixer/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/fixer/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/fixer/framework/openclaw)
- [CLI](https://composio.dev/toolkits/fixer/framework/cli)
- [Google ADK](https://composio.dev/toolkits/fixer/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/fixer/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/fixer/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/fixer/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/fixer/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/fixer/framework/crew-ai)

## TL;DR

### What is Composio Connect?
Composio Connect is a consumer offering that lets anyone plug 1,000+ applications directly into their agent harness — including Hermes. It can:
- Search and load tools from relevant toolkits on-demand, reducing context usage.
- Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
- Manage app authentication end-to-end with zero manual overhead.

## Connect Fixer to Hermes

### Integrating Fixer with Hermes
### Using Composio Connect CLI
1. Install the Composio CLI
Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

```bash
curl -fsSL https://composio.dev/install | bash
```

## What is the Fixer MCP server, and what's possible with it?

The Fixer MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Fixer account. It provides structured and secure access to real-time and historical foreign exchange data, so your agent can fetch current rates, check past currency values, and look up supported symbols with ease.
- Live exchange rate retrieval: Instantly get the most up-to-date currency conversion rates for any supported global currency pair.
- Historical currency data access: Ask your agent to pull exchange rates for specific dates in the past, making trend analysis and financial reporting effortless.
- Supported currency symbol lookup: Quickly retrieve the full list of available currency codes and names to validate inputs or display options for users.
- Multi-currency comparisons: Let your agent fetch and compare rates across multiple currencies at once to power financial dashboards or conversion tools.

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `FIXER_GET_HISTORICAL_RATES` | Get Historical Rates | Tool to get historical exchange rate data for a specific date. use when you need past currency rates for all or selected currencies. |
| `FIXER_GET_LATEST_RATES` | Get Latest Exchange Rates | Tool to get real-time exchange rate data for all available or specified currencies. use when you need current forex rates before performing currency conversions. |
| `FIXER_GET_SUPPORTED_SYMBOLS` | Get Supported Symbols | Tool to retrieve all supported currency symbols and their full names. use when you need to display or validate available currencies before performing conversions. |

## Supported Triggers

None listed.

## Creating MCP Server - Stand-alone vs Composio SDK

The Fixer MCP server provides comprehensive access to Fixer operations through Composio. Once connected, Hermes can perform all major Fixer actions on your behalf using natural language commands.

## Complete Code

None listed.

## Conclusion

### Way Forward
With Fixer connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.
From here, you can extend Hermes further:
- Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
- Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
- Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.
If you run into trouble or want to share what you've built, join the [community](https://discord.com/invite/composio) or check out the [Docs](https://docs.composio.dev?utm_source=toolkits&utm_medium=framework_template&utm_campaign=hermes&utm_content=docs) for deeper configuration options.

## How to build Fixer MCP Agent with another framework

- [OpenAI Agents SDK](https://composio.dev/toolkits/fixer/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/fixer/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/fixer/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/fixer/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/fixer/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/fixer/framework/openclaw)
- [CLI](https://composio.dev/toolkits/fixer/framework/cli)
- [Google ADK](https://composio.dev/toolkits/fixer/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/fixer/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/fixer/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/fixer/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/fixer/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/fixer/framework/crew-ai)

## Related Toolkits

- [Stripe](https://composio.dev/toolkits/stripe) - Stripe is a global online payments platform offering APIs for managing payments, customers, and subscriptions. Trusted by businesses for secure, efficient, and scalable payment processing worldwide.
- [Alpha vantage](https://composio.dev/toolkits/alpha_vantage) - Alpha Vantage is a financial data platform offering real-time and historical stock market APIs. Get instant, reliable access to equities, forex, and technical analysis data for smarter trading decisions.
- [Altoviz](https://composio.dev/toolkits/altoviz) - Altoviz is a cloud-based billing and invoicing platform for businesses. It streamlines online payments, expense tracking, and customizable invoice management.
- [Benzinga](https://composio.dev/toolkits/benzinga) - Benzinga provides real-time financial news and data APIs for market coverage. It helps you track breaking news and actionable market insights instantly.
- [Brex](https://composio.dev/toolkits/brex) - Brex provides corporate credit cards and spend management tailored for startups and tech businesses. It helps optimize company cash flow, streamline accounting, and accelerate business growth.
- [Chaser](https://composio.dev/toolkits/chaser) - Chaser is accounts receivable automation software that sends invoice reminders and helps businesses get paid faster. It streamlines the collections process to save time and improve cash flow.
- [Clientary](https://composio.dev/toolkits/clientary) - Clientary is a platform for managing clients, invoices, projects, proposals, and more. It streamlines client work and saves you serious admin time.
- [Coinbase](https://composio.dev/toolkits/coinbase) - Coinbase is a platform for buying, selling, and storing cryptocurrency. It makes exchanging and managing crypto simple and secure for everyone.
- [Coinranking](https://composio.dev/toolkits/coinranking) - Coinranking is a comprehensive cryptocurrency market data platform offering access to real-time coin prices, market caps, and historical data. Get accurate, up-to-date stats for thousands of digital assets in one place.
- [Coupa](https://composio.dev/toolkits/coupa) - Coupa is a business spend management platform for procurement, invoicing, and expenses. It helps organizations streamline purchasing, control costs, and gain complete visibility over financial operations.
- [CurrencyScoop](https://composio.dev/toolkits/currencyscoop) - CurrencyScoop is a developer-friendly API for real-time and historical currency exchange rates. Easily access fiat and crypto data for smart, up-to-date financial applications.
- [Daffy](https://composio.dev/toolkits/daffy) - Daffy is a modern charitable giving platform with a donor-advised fund. Easily set aside funds, grow them tax-free, and donate to over 1.7 million U.S. charities.
- [Eagle doc](https://composio.dev/toolkits/eagle_doc) - Eagle doc is an AI-powered OCR API for invoices and receipts. It delivers fast, reliable, and accurate document data extraction for seamless automation.
- [Elorus](https://composio.dev/toolkits/elorus) - Elorus is an online invoicing and time-tracking software for freelancers and small businesses. Easily manage finances, bill clients, and track work in one place.
- [Eodhd apis](https://composio.dev/toolkits/eodhd_apis) - Eodhd apis delivers comprehensive financial data, including live and historical stock prices, via robust APIs. Easily access reliable, up-to-date market insights to power your apps, dashboards, and analytics.
- [Fidel api](https://composio.dev/toolkits/fidel_api) - Fidel api is a secure platform for linking payment cards to web and mobile apps. It enables real-time card transaction monitoring and event-based automation for businesses.
- [Finage](https://composio.dev/toolkits/finage) - Finage is a secure API platform delivering real-time and historical financial data for stocks, forex, crypto, indices, and commodities. It empowers developers and businesses to access, analyze, and act on market data instantly.
- [Finmei](https://composio.dev/toolkits/finmei) - Finmei is an invoicing tool that simplifies billing, invoice management, and expense tracking. Ideal for automating and organizing your business finances in one place.
- [Fixer io](https://composio.dev/toolkits/fixer_io) - Fixer.io is a lightweight API for real-time and historical foreign exchange rates. It makes global currency conversion fast, accurate, and hassle-free.
- [Flutterwave](https://composio.dev/toolkits/flutterwave) - Flutterwave is a global payments platform enabling businesses to accept and send payments across Africa and beyond. Its robust APIs simplify cross-border transactions and financial operations.

## Frequently Asked Questions

### What are the differences in Tool Router MCP and Fixer MCP?

With a standalone Fixer MCP server, the agents and LLMs can only access a fixed set of Fixer tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Fixer and many other apps based on the task at hand, all through a single MCP endpoint.

### Can I use Tool Router MCP with Hermes?

Yes, you can. Hermes fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Fixer tools.

### Can I manage the permissions and scopes for Fixer while using Tool Router?

Yes, absolutely. You can configure which Fixer scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

### How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Fixer data and credentials are handled as safely as possible.

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