How to connect Simplero to Claude Cowork

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks. This guide walks you through the easiest and most secure way to connect your Simplero account to Cowork via Composio Connect, enabling it to list all active contacts in Simplero, send a broadcast email to your list, enroll a user in a specific course, and more such actions on your behalf without compromising your account security.

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19 Tools

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Simplero account to Cowork via Composio Connect, enabling it to list all active contacts in Simplero, send a broadcast email to your list, enroll a user in a specific course, and more such actions on your behalf without compromising your account security.

Also integrate Simplero with

OpenAI Agents SDKClaude Agent SDKClaude CodeCodexOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Connecting Simplero to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Simplero account

Back in Cowork, ask the agent to connect to Simplero or give it any Simplero-related task.

For example, ask Cowork to:

  • "List all active contacts in Simplero"
  • "Send a broadcast email to your list"
  • "Enroll a user in a specific course"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Simplero account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Simplero through MCP without you sharing account credentials directly with the agent.

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

The Simplero MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Simplero account. It provides structured and secure access so your agent can perform Simplero operations on your behalf.

TOOLS

Supported Tools

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

Add Tag to Contact

Tool to add a tag to a contact identified by email address.

Bulk Subscribe to List

Tool to add multiple subscribers to a list in a single asynchronous request (max 1,000 per request).

Create or Update Administrator

Tool to create a new administratorship or update an existing one with the same email.

Create or Update Contact

Tool to create a new contact or update an existing contact with the same email.

Find Contact By Email

Tool to find and retrieve a contact by email address.

Find Subscription By Email

Tool to find subscriptions for a specific list by email address.

Get Administrator By ID

Tool to retrieve a single administratorship by internal ID.

Get Administrators

Tool to retrieve all administratorships for the account.

Get Admin Roles

Tool to retrieve all available admin roles for the account including custom roles.

Get Async Request Status

Tool to check the status of an asynchronous API request.

Get Contact By ID

Tool to retrieve a JSON representation of a contact by internal ID.

Get Invoices

Tool to get invoice information with optional filtering by date and invoice number.

Get All Lists

Tool to retrieve all mailing lists configured in the account.

Get Products

Tool to list all products in the account.

Remove Administrator

Tool to delete an administratorship by ID.

Remove Tag from Contact

Tool to remove a tag from a contact identified by email address.

Subscribe to List

Tool to add a new subscriber to a specific mailing list.

Unsubscribe From List

Tool to unsubscribe a customer from a specific mailing list.

Update Contact Credentials

Tool to update a contact's login credentials including email, first name, and last name.

FRAMEWORKS

How to build Simplero MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Simplero MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Simplero MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Simplero MCP with Claude Code

Codex logo

Codex

Use Simplero MCP with Codex

OpenClaw logo

OpenClaw

Use Simplero MCP with OpenClaw

Hermes logo

Hermes

Use Simplero MCP with Hermes

CLI logo

CLI

Use Simplero MCP with CLI

Google ADK logo

Google ADK

Use Simplero MCP with Google ADK

LangChain logo

LangChain

Use Simplero MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Simplero MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Simplero MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Simplero MCP with LlamaIndex

CrewAI logo

CrewAI

Use Simplero MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, you can. Claude Cowork 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 Simplero tools.

Yes, absolutely. You can configure which Simplero 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.

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 Simplero data and credentials are handled as safely as possible.

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Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
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Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

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Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

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Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

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Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

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Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

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Co-Founder, Ingram Technologies