Mailercloud Integration for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Mailercloud MCP or direct API to create campaigns, manage subscribers, send newsletters, and analyze performance through natural language.
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Try Mailercloud now

Enter a prompt below to test the integration in our Tool Router playground. You'll be redirected to sign in and try it live.

Supported Tools

Tools
Create ListTool to create a new recipient list in Mailercloud for storing and managing contacts.
Create custom propertyCreate a custom property for contacts in Mailercloud.
Delete Contact PropertyTool to delete a custom contact property by ID.
Get Client PlanTool to retrieve client plan information from Mailercloud.
Search Contacts in ListTool to retrieve contacts in a specific list with pagination.
Update Contact PropertyTool to update a custom property of contacts in Mailercloud.
Python
TypeScript

Install Composio

python
pip install composio claude-agent-sdk
Install the Composio SDK for Python or TypeScript

Initialize Client and Create Tool Router Session

python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
Import and initialize the Composio client, then create a Tool Router session for Mailercloud

Connect to AI Agent

python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Mailercloud tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Create a campaign called "Holiday Blast" for all contacts tagged "VIP".')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
Use the MCP server with your AI agent (Anthropic Claude or Mastra)

Why Use Composio?

AI Native Mailercloud Integration

  • Supports both Mailercloud MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Mailercloud data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Mailercloud access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Mailercloud
  • Scoped, least privilege access to Mailercloud resources
  • Full audit trail of agent actions to support review and compliance

Use Mailercloud with any AI Agent Framework

Choose a Framework you want to connect Mailercloud with

Frequently Asked Questions

Do I need my own developer credentials to use Mailercloud with Composio?

Yes, Mailercloud requires you to configure your own API key. Once set up, Composio handles secure credential storage and API request handling for you.

Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.

Book a call↗Get started for free