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Loops is a modern email platform for SaaS companies. The Loops MCP server lets you manage contacts, mailing lists, and send transactional or event-triggered emails using natural language.

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What Can It Do?

  • Manage contacts including create, update, find, and delete
  • Organize mailing lists and subscriber segments
  • Send event-triggered emails to automate communication flows
  • Send transactional emails with dynamic data variables
  • Retrieve contact properties for audience insights

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Where to Use It

Add Loops as a tool to any agent. The agent can then interact with your email platform conversationally, choosing the right actions based on context. To add an MCP tool to your agent:
  1. Open your agent’s configuration
  2. Click Add tools → Connect an app with MCP
  3. Search for the integration and select it
  4. Authenticate with your Loops account
You can control which tools your agent has access to. After adding an integration, click on it to enable or disable specific tools based on what your agent needs.

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In Workflows (Via Agent Node)

For automated pipelines, use an Agent Node with Loops tools. This gives you the flexibility of an agent within a deterministic workflow.

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As a Custom MCP Node

You can also create a standalone MCP node for a specific action. This generates a reusable node that performs one task, useful when you need the same operation repeatedly in workflows.
To create a custom MCP node:
  1. Go to your node library and search for the integration
  2. Click Create a node with AI
  3. Describe the specific action you want (e.g., “Find a contact by email address”)
  4. Test the node and save it for reuse
Custom MCP nodes are single-purpose by design. For tasks that require multiple steps or dynamic decision-making, use an agent instead.

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Available Tools

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Example Prompts

Use these with your agent or in the Agent Node: Find a contact:
Create a contact:
Send an event:
Send a transactional email:
List mailing lists:

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Troubleshooting

Agents are smart enough to chain multiple API calls together. For example, asking “Subscribe john@example.com to the Newsletter list” will find the contact first, then update their mailing list subscriptions. If results seem off, check the agent’s step-by-step reasoning.

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Need Help?

Use this integration directly in Claude or Cursor. Connect remotely via the Loops MCP server using credentials from your Connectors page.