Loops.so MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Loops.so MCP or direct API to send emails, manage campaigns, segment contacts, and automate SaaS messaging through natural language.

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Api Key

Loops.so is a modern email platform for SaaS companies to manage product, marketing, and transactional emails. It streamlines communication, so you can engage users with smarter, targeted campaigns.

12 Tools

Try Loops.so now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

Every Loops.so action and event your agent gets out of the box.

Create Contact

Tool to add a new contact to your Loops audience.

Create Contact Property

Tool to add a custom contact property to your Loops team.

Delete Contact

Tool to delete a contact by email address or user ID.

Find Contact

Tool to search for a contact by email or userId.

Get Contact Properties

Tool to retrieve a list of your account's contact properties from Loops.

Get Dedicated Sending IPs

Tool to retrieve a list of Loops' dedicated sending IP addresses.

Get Mailing Lists

Tool to retrieve all mailing lists associated with your Loops account.

List Custom Fields

Tool to retrieve a list of custom contact properties.

List Transactional Emails

Tool to retrieve a list of published transactional emails.

Send Event

Tool to send events to trigger emails in Loops.

Test API Key

Tool to test API key validity and retrieve team information.

Update Contact

Tool to update an existing contact by email or userId.

SETUP GUIDE

Connect Loops.so MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Loops.so
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'Send a product update email to all paying customers.'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Loops.so API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Loops.so Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Send a marketing email to all users who signed up this week.'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Loops.so actions with your Agent

Why Use Composio?

AI Native Loops.so Integration

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

Managed Auth

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

Frequently asked questions

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

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

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

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

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

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