How to integrate Modem MCP with Hermes

Connect Hermes to Modem MCP. Search customer feedback for refund complaints, start durable agent conversation about onboarding, and more using natural language, with authentication handled for you.

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Modem MCP is a platform for organizing and indexing customer feedback, topics, people, and companies. It synthesizes feedback and provides durable agent conversation support for structured insights.

15 Tools

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 Modem 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.

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What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,500+ 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.

Integrating Modem 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
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to Modem

Ask your agent to connect to Modem, or simply request any Modem-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Modem connection.


Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to Modem or request any Modem-related task. It will prompt you to authenticate and authorize access.

5. Done!

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

The Modem MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Modem account. It provides structured and secure access so your agent can perform Modem operations on your behalf.

Way Forward

With Modem 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 or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

Every Modem MCP action and event your agent gets out of the box.

Add people to company

Associate one or more people with a company.

Bulk update topics

Update multiple topics at once (e.

Create companies

Create one or more companies in the organization.

Merge companies

Merge one or more source companies into a target company.

Merge people

Merge one or more source people into a target person.

Merge topics

Merge one or more source topics into a target topic.

Modem agent cancel run

Cooperatively cancel one exact durable Modem agent run.

Modem agent get run

Get the current status and terminal result of a durable Modem agent run.

Modem agent invoke

Start a durable Modem agent conversation.

Modem agent send message

Start a durable follow-up turn in an existing MCP conversation.

Modem skills

Skills that teach you how to use THIS Modem MCP server's tools.

Search modem

Answer a natural-language question about your Modem data and get matching rows back.

Update companies

Update fields on one or more existing companies.

Update people

Update fields on one or more existing people.

Update topic

Update a single topic (priority, lifecycle state, archived status, issue type, or keywords).

FAQ

Frequently asked questions

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

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 Modem tools.

Yes, absolutely. You can configure which Modem 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.

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 Modem data and credentials are handled as safely as possible.

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