How to connect Dynamics365 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 Dynamics365 account to Cowork via Composio Connect, enabling it to create a new sales lead for Acme Corp, list all open invoices for this quarter, add a support case for a specific customer, and more such actions on your behalf without compromising your account security.

Also integrate Dynamics365 with

Connecting Dynamics365 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 Dynamics365 account

Back in Cowork, ask the agent to connect to Dynamics365 or give it any Dynamics365-related task.

For example, ask Cowork to:

  • "Create a new sales lead for Acme Corp"
  • "List all open invoices for this quarter"
  • "Add a support case for a specific customer"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Dynamics365 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 Dynamics365 through MCP without you sharing account credentials directly with the agent.

What is the Dynamics365 MCP server, and what's possible with it?

The Dynamics365 MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Dynamics365 account. It provides structured and secure access to your CRM data, so your agent can perform actions like managing contacts, creating leads, tracking invoices, and automating sales workflows on your behalf.

  • Automated contact, account, and lead creation: Instantly add new contacts, accounts, or leads to your CRM, ensuring your pipeline stays up to date with zero manual data entry.
  • Sales opportunity and order management: Let your agent create and update opportunities or sales orders, helping your team stay organized and focused on closing deals.
  • Invoice and case tracking: Retrieve, create, or manage invoices and cases directly from Dynamics365, streamlining customer service and billing operations.
  • Real-time CRM record retrieval: Ask your agent to fetch specific leads, invoices, or cases by criteria, so you always have the most relevant customer data at your fingertips.
  • Seamless workflow automation: Combine multiple actions—like creating a lead, generating an invoice, and opening a case—into a single smooth workflow, all triggered by your agent.

Supported Tools & Triggers

Tools
Get all invoices actionGet all invoices action
Create AccountCreates a new account entity record in dynamics crm using the web api.
Create CaseCreates a new case (incident) entity record in dynamics crm using the web api.
Create ContactCreates a new contact entity record in dynamics crm using the web api.
Create InvoiceCreates a new invoice entity record in dynamics crm using the web api.
Create LeadCreates a new lead entity record in dynamics crm using the web api.
Create OpportunityCreates a new opportunity entity record in dynamics crm using the web api.
Create Sales OrderCreates a new sales order entity record in dynamics crm using the web api.
Dynamicscrm get a invoiceDynamicscrm get a invoice
Dynamicscrm get a leadDynamicscrm get a lead
Dynamicscrm get all leadsDynamicscrm get all leads
Update CaseUpdates an existing case (incident) entity record in dynamics crm using the web api.
Update InvoiceUpdates an existing invoice entity record in dynamics crm using the web api.
Update LeadUpdates an existing lead entity record in dynamics crm using the web api.
Update OpportunityUpdates an existing opportunity entity record in dynamics crm using the web api.
Update Sales OrderUpdates an existing sales order entity record in dynamics crm using the web api.

Available tools and triggers

After setup, the supported Dynamics365 tools and triggers listed on this page are available to Cowork through Composio Connect.

You can now ask Cowork to handle Dynamics365 workflows in natural language, from quick summaries and drafting tasks to more complex multi-step work across connected apps.

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FAQ

What are the differences in Tool Router MCP and Dynamics365 MCP?

With a standalone Dynamics365 MCP server, the agents and LLMs can only access a fixed set of Dynamics365 tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Dynamics365 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 Dynamics365 tools.

Can I manage the permissions and scopes for Dynamics365 while using Tool Router?

Yes, absolutely. You can configure which Dynamics365 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 Dynamics365 data and credentials are handled as safely as possible.

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