Omnisend Integration for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Omnisend MCP or direct API to send marketing emails, trigger SMS campaigns, manage contact lists, and analyze campaign performance through natural language.
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Supported Tools

Tools
Create BatchTool to create a new batch operation for multiple items.
Create or Update ContactTool to create or update a contact in omnisend.
Delete ProductTool to remove a product from omnisend by its id.
Get BatchesTool to retrieve a list of batch operations.
Get Batch InformationTool to retrieve information about a specific batch by id.
Get Batch ItemsTool to retrieve processed items of a specific batch by id.
Get ContactTool to retrieve details of a single contact by id.
List ContactsTool to retrieve a paginated list of contacts with optional filtering.
List ProductsTool to retrieve a paginated list of products.
Update ContactTool to update fields of an existing contact by id.

Why Use Composio?

AI Native Omnisend Integration

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

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Omnisend 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 Omnisend
  • Scoped, least privilege access to Omnisend resources
  • Full audit trail of agent actions to support review and compliance

Connect Omnisend MCP Tool with your Agent

Python
TypeScript

Install Composio

python
pip install composio claude-agent-sdk
Install the Composio SDK and Claude Agent SDK

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
Initialize the Composio client and create a Tool Router session

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 Omnisend tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('List all contacts subscribed to email marketing campaigns')
        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

Connect Omnisend API Tool with your Agent

Python
TypeScript

Install Composio

python
pip install composio_openai
Install the Composio SDK

Initialize Composio and Create Tool Router Session

python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()
session = composio.create(user_id='your-user-id')
Import and initialize Composio client, then create a Tool Router session

Execute Omnisend Tools via Tool Router with Your Agent

python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'Send promotional SMS to all new subscribers registered this week'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
Get tools from Tool Router session and execute Omnisend actions with your Agent

Use Omnisend with any AI Agent Framework

Choose a Framework you want to connect Omnisend with

OpenAI Agents SDK

OpenAI Agents SDK

Use Omnisend MCP with OpenAI Agents SDK

Claude Agents SDK

Claude Agents SDK

Use Omnisend MCP with Claude Agents SDK

Google ADK

Google ADK

Use Omnisend MCP with Google ADK

Langchain

Langchain

Use Omnisend MCP with Langchain

AI SDK

AI SDK

Use Omnisend MCP with AI SDK

Mastra AI

Mastra AI

Use Omnisend MCP with Mastra AI

LlamaIndex

LlamaIndex

Use Omnisend MCP with LlamaIndex

CrewAI

CrewAI

Use Omnisend MCP with CrewAI

Pydantic AI

Pydantic AI

Use Omnisend MCP with Pydantic AI

Autogen

Autogen

Use Omnisend MCP with Autogen

Frequently Asked Questions

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

Yes, Omnisend requires you to configure your own API key credentials. 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
ASU
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
ASU
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
ASU
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.

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