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How to connect MarcoPolo MCP to Claude

Connect Claude Web, Desktop and Cowork to MarcoPolo MCP. Query last week's sales from warehouse, correlate customer events across databases, and more using natural language, with authentication handled for you.

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MarcoPolo MCP is a data orchestration service that provides secure access to databases, warehouses, cloud storage, and SaaS apps. Use it to centralize and control authorized data access with fine-grained security and auditing.

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Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your MarcoPolo account to Claude via Composio Connect, enabling it to query last week's sales from warehouse, correlate customer events across databases, generate incident report from log storage, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

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Connecting MarcoPolo to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

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

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

2. 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 Web, Desktop, and Cowork

3. Connect your MarcoPolo account

Back in Claude, ask it to connect to MarcoPolo or give it any MarcoPolo-related task.

For example, ask Claude to:

  • "Query last week's sales from warehouse"
  • "Correlate customer events across databases"
  • "Generate incident report from log storage"

It will prompt you to authenticate and authorize access.

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

What is the MarcoPolo Claude Connector, and what's possible with it?

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

Troubleshooting

1. Why does Claude not use the Composio connector for MarcoPolo?

The connector can show as connected, but Claude must use it in each MarcoPolo conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to MarcoPolo again.

2. Why does Claude show an MCP server error before MarcoPolo connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for MarcoPolo.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect MarcoPolo.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the MarcoPolo authorization link not work?

The Composio connector is one server. Your MarcoPolo account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the MarcoPolo connection.
  • Composio creates a fresh MarcoPolo authorization link.
  • Open that link in your browser and finish the MarcoPolo sign-in.

4. Why do MarcoPolo actions fail after they worked before?

The MarcoPolo connection can expire or lose permission.

  • Ask Claude to inspect the MarcoPolo connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the MarcoPolo account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in MarcoPolo.
  • If the action still fails with a permission error, check that the connected account has that permission in MarcoPolo itself.

5. How do I switch to a different MarcoPolo account?

Claude can manage the MarcoPolo connection for you.

  • Ask Claude to disconnect or delete the current MarcoPolo account.
  • Ask Claude to connect MarcoPolo again.
  • Open the new Composio authorization link for MarcoPolo.
  • Sign in with the other MarcoPolo account in the browser.
  • After the account connects, ask Claude to retry the MarcoPolo task.

6. Why is my MarcoPolo connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your MarcoPolo connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If MarcoPolo tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect MarcoPolo.
TOOLS

Supported Tools

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

Connection setup

Create a browser setup URL for a credentialed connection.

Connections list

List visible Marcopolo connections ready in the execution workspace.

Data query

Run a bounded governed query against a visible connection.

Install demo connection

Install hosted demo data with no user credentials.

Workspace shell

Run a shell command in the persistent /workspace runtime.

FRAMEWORKS

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ChatGPT logo

ChatGPT

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Hermes logo

Hermes

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Atomic Agent logo

Atomic Agent

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FAQ

Frequently asked questions

With a standalone MarcoPolo MCP server, the agents and LLMs can only access a fixed set of MarcoPolo tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from MarcoPolo 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 MarcoPolo tools.

Yes, absolutely. You can configure which MarcoPolo 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 MarcoPolo data and credentials are handled as safely as possible.

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