How to integrate Benchmark email MCP with Claude Code

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Introduction

Manage your Benchmark email directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Rube - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Why Rube?

Rube is a universal MCP server with access to 850+ SaaS apps. It ensures just-in-time tool loading so Claude can access the tools it needs, a remote workbench for programmatic tool calling and handling large tool responses out of the LLM context window, ensuring the LLM context window remains clean.

Connect Benchmark email to Claude Code with Rube

1. Get the MCP URL

Copy and paste the below command in Claude Code to add Rube MCP.

Terminal

2. Authenticate Rube

Run /mcp to view Rube

bash
/mcp
Run /mcp to view Rube in Claude Code
Click on Rube to authenticate
Authentication flow complete

3. Ensure it's connected

Run /mcp again to verify the connection. Now, do whatever you want with Claude Code and Benchmark email.

Rube connected successfully

Supported Tools & Triggers

Tools
Delete Contact From ListTool to delete a contact from a specific list by contactid.
Delete Contact ListTool to delete a contact list.
Delete Email CampaignTool to delete an email campaign.
Delete Linked Agency AccountTool to delete a linked agency account.
Delete WebhookTool to delete a webhook from a contact list by its id.
Get All Confirmed EmailsTool to retrieve all confirmed email addresses for the client account.
Get Client Account SettingsTool to get client account settings such as company, language, timezone, and sender info.
Get client detailsTool to get client details including profile data, contact count, and plan information.
Get Client Plan InformationTool to get client's plan information including addons, email plan, and total contacts.
Get client profile detailsTool to get client's profile details like business city, country, phone, and company.
Get Contact List DetailsTool to fetch detailed information for a contact list.
Get Contact ListsTool to retrieve all contact lists.
Get Filtered Contacts in ListTool to fetch filtered and paginated contacts from a list by listid.
Get Email Report ForwardsTool to get forwards report for an email campaign.
Get Unopens ReportTool to get unopens report for an email campaign by id.
Get Linked Agency Account DetailsTool to get details of a linked agency account.
Get Linked Agency AccountsTool to get list of linked agency accounts.
Get sub-account detailsTool to get details for a specific sub-account by id.
Get Sub-Account HistoryTool to get sub-account history.
Get Sub-AccountsTool to retrieve all sub-accounts for the client.
Get Sub-Accounts Plan ListTool to retrieve available plans for a sub-account.
Change PasswordTool to change the password for the client account.
Save Security PINTool to save a new security pin for the client account.
Send Reset EmailTool to send a reset email link to change the primary email address.
Patch Update Client SettingsTool to update client account settings.
Update Contact ListTool to update an existing contact list.
Update/Edit ProfileTool to update or edit profile information such as first name, last name, and phone number.
Update WebhookTool to update a webhook for a contact list by webhook id.
Add Contact to ListTool to add a new contact to a specific list.
Change Security PINTool to change security pin for the client account.
Create Contact ListTool to create a new contact list.
Create WebhookTool to create a new webhook for a contact list.
Disable Security PINTool to disable security pin for the client account.
Save Website DomainTool to save a website domain for your benchmark email account.
Send Confirm Email VerificationTool to send confirm email verification.
Send PIN via EmailTool to send pin via email.

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

The Benchmark 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 Benchmark Email account. It provides structured and secure access to your email marketing data, so your agent can retrieve account info, manage contacts, handle lists, and automate campaign administration on your behalf.

  • Automated contact and list management: Effortlessly add, update, or delete contacts and lists, keeping your subscriber base organized and up to date.
  • Campaign cleanup and maintenance: Direct your agent to delete obsolete email campaigns or remove unneeded webhooks to keep your workspace tidy.
  • Account insights and configuration retrieval: Have the agent fetch client details, plan information, and account settings—perfect for reporting or reviewing your workspace setup.
  • Confirmed email address retrieval: Quickly pull all verified sender email addresses for compliance and seamless campaign sending.
  • Agency account and webhook control: Manage linked agency accounts and webhooks by deleting or updating them when no longer needed for more secure integrations.

Connecting Benchmark email via Tool Router

Tool Router is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Benchmark email) for even more tool search precision. It's secure and reliable.

How the Tool Router works

The Tool Router follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Benchmark email account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["benchmark_email"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http benchmark_email-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for Benchmark email. This URL will be used to connect Claude Code to Benchmark email.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Benchmark email
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add Benchmark email MCP to Claude Code

bash
claude mcp add --transport http benchmark_email-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (benchmark_email-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your Benchmark email MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your benchmark_email-composio entry in the list
  • This confirms that Claude Code can now access Benchmark email tools

If everything is wired up, you should see your benchmark_email-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate Benchmark email

The first time you try to use Benchmark email tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Benchmark email
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Benchmark email authorization flow
  • Return to the terminal and start using Benchmark email through Claude Code

Once authenticated, you can ask Claude Code to perform Benchmark email operations in natural language. For example:

  • "List all confirmed sender email addresses"
  • "Get my Benchmark account plan details"
  • "Fetch company profile and contact limits"

Complete Code

Here's the complete code to get you started with Benchmark email and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["benchmark_email"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http benchmark_email-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated Benchmark email with Claude Code using Composio's MCP server. Now you can interact with Benchmark email directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Benchmark email operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Benchmark email operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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FAQ

What are the differences in Tool Router MCP and Benchmark email MCP?

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

Can I use Tool Router MCP with Claude Code?

Yes, you can. Claude Code 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 Benchmark email tools.

Can I manage the permissions and scopes for Benchmark email while using Tool Router?

Yes, absolutely. You can configure which Benchmark 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.

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 Benchmark email data and credentials are handled as safely as possible.

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