How to integrate Verifi.Email MCP with Hermes

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 Verifi.Email 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.

Verifi.Email logoVerifi.Email
Api Key

Verifi.Email is a public API for validating email addresses and checking domain mail-security records. Use it to screen bad emails and catch missing SPF, DKIM, or DMARC setup fast.

3 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 Verifi.Email 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 Verifi.Email with

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.

Integrating Verifi.Email 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 Verifi.Email

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

4. Done. You're all set with a new Verifi.Email 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 Verifi.Email or request any Verifi.Email-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Verifi.Email MCP server, and what's possible with it?

The Verifi.Email MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Verifi.Email account. It provides structured and secure access to email validation and domain security checks, so your agent can validate individual addresses, check address lists, detect disposable emails, assess domain health, and review email security recommendations on your behalf.

  • Single email validation: Have your agent validate an email address and review its overall validity, syntax, mail server, spoofing, and disposable-address signals.
  • Batch email validation: Instruct your agent to check up to 10 email addresses at once and return an ordered result for every entry, including malformed addresses.
  • Domain security assessment: Let the agent check a domain's SPF, DKIM, DMARC, and BIMI configuration to assess its email security health.
  • Provider recommendations: Direct your agent to review protocol scores and provider recommendations for improving a domain's email security configuration.

Way Forward

With Verifi.Email 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 Verifi.Email action and event your agent gets out of the box.

Check Domain Health

Check a bare domain's SPF, DKIM, DMARC, and BIMI configuration and return protocol scores plus provider recommendations.

Validate Email

Validate one non-empty email address and return its overall validity plus syntax, MX, spoofing, and disposable-address signals.

Validate Emails

Validate 1-10 email address strings in one synchronous request and return one ordered result per input, including malformed strings as invalid results.

FAQ

Frequently asked questions

With a standalone Verifi.Email MCP server, the agents and LLMs can only access a fixed set of Verifi.Email tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Verifi.Email 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 Verifi.Email tools.

Yes, absolutely. You can configure which Verifi.Email 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 Verifi.Email data and credentials are handled as safely as possible.

Start with Verifi.Email.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Verifi.Email tool your agent needs.Free to start.

Start building