How to connect Aryn to Claude Cowork

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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 Aryn account to Cowork via Composio Connect, enabling it to extract key data fields from uploaded contracts, list all pending document processing tasks, retrieve metadata for a specific docset, and more such actions on your behalf without compromising your account security.

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Connecting Aryn 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 Aryn account

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

For example, ask Cowork to:

  • "Extract key data fields from uploaded contracts"
  • "List all pending document processing tasks"
  • "Retrieve metadata for a specific docset"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Aryn 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 Aryn through MCP without you sharing account credentials directly with the agent.

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

The Aryn MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Aryn account. It provides structured and secure access to your document sets and analytics tools, so your agent can perform actions like document parsing, data extraction, metadata management, and workflow monitoring on your behalf.

  • Automated document set management: Create, organize, and delete entire docsets to keep your unstructured documents sorted and accessible for further processing.
  • Advanced document retrieval: Retrieve individual documents or their binary content by ID, making it easy for your agent to access and analyze specific files.
  • Dynamic query planning: Generate logical query plans for complex data extraction or analytics tasks before executing them, giving you more transparency and control over document analysis workflows.
  • Metadata and usage insights: Fetch detailed metadata and usage statistics for any docset, so you can track document activity and storage at a glance.
  • Asynchronous task monitoring: List and monitor all outstanding or running async tasks, helping you keep tabs on document processing operations and system status in real time.

Supported Tools & Triggers

Tools
Create DocSetTool to create a new docset.
Create DocSetTool to create a new docset.
Delete DocSetTool to delete a docset and all its documents.
Generate planTool to generate a query plan without executing it.
Get DocSet MetadataTool to retrieve metadata for a specific docset.
Get Document by IDTool to retrieve a document by id.
Get Document BinaryTool to retrieve the binary content of a document by docset id and document id.
List Async TasksTool to list all outstanding asynchronous tasks for the account.

How to build Aryn MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Aryn MCP?

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

Can I use Tool Router MCP with Claude Cowork?

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 Aryn tools.

Can I manage the permissions and scopes for Aryn while using Tool Router?

Yes, absolutely. You can configure which Aryn 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.

How safe is my data with Composio Tool Router?

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 Aryn data and credentials are handled as safely as possible.

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