How to connect Microsoft Bookings to Claude

Connect Claude Web, Desktop and Cowork to Microsoft Bookings MCP. List upcoming microsoft bookings appointments, create a new microsoft bookings customer, and more using natural language, with authentication handled for you.

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Microsoft Bookings is Microsoft's shared scheduling service for businesses, appointments, customers, services, and staff. It helps teams manage availability and bookings in one place through Microsoft Graph.

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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 Microsoft Bookings account to Claude via Composio Connect, enabling it to list upcoming Microsoft Bookings appointments, create a new Microsoft Bookings customer, update Microsoft Bookings service availability, 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.

Also integrate Microsoft Bookings with

Connecting Microsoft Bookings 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 Microsoft Bookings account

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

For example, ask Claude to:

  • "List upcoming Microsoft Bookings appointments"
  • "Create a new Microsoft Bookings customer"
  • "Update Microsoft Bookings service availability"

It will prompt you to authenticate and authorize access.

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

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

The Microsoft Bookings MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Microsoft Bookings account. It provides structured and secure access to booking businesses, appointments, customers, services, staff members, and currencies, so your agent can schedule appointments, manage services and staff, update customer details, and publish or manage booking pages on your behalf.

  • Appointment scheduling and updates: Have your agent create appointments for specific services and times, assign staff and customers, update appointment details, or cancel and delete appointments.
  • Booking business management: Let the agent create, update, and review booking businesses, then publish or unpublish their external scheduling pages.
  • Service and availability setup: Direct your agent to create, update, and list bookable services, including their duration, location, pricing, staff assignments, reminders, and scheduling rules.
  • Customer and staff administration: Instruct your agent to add, update, view, list, or remove customers and staff members, including contact details, roles, time zones, and working schedules.
  • Booking questions and currencies: Have your agent manage custom intake questions and review the available Microsoft Bookings currency catalog for your scheduling business.

Troubleshooting

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

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

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

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

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

  • 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 Microsoft Bookings.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Microsoft Bookings authorization link not work?

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

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

4. Why do Microsoft Bookings actions fail after they worked before?

The Microsoft Bookings connection can expire or lose permission.

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

5. How do I switch to a different Microsoft Bookings account?

Claude can manage the Microsoft Bookings connection for you.

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

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

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

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Microsoft Bookings 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 Microsoft Bookings.
TOOLS

Supported Tools

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

Cancel Appointment

Irreversibly cancel an appointment and ask Microsoft Bookings to send the supplied cancellation message to its customers and staff.

Create Appointment

Create an appointment for a service at explicit start and end times, optionally assigning staff and customer details.

Create Booking Business

Create a shared booking business with the supplied display name.

Create Customer

Create a saved customer in one booking business with structured contact details.

Create Custom Question

Create a text or single-choice intake question for one booking business.

Create Service

Create a bookable service with a name and default duration, optionally configuring location, price, staff, reminders, questions, and scheduling rules.

Create Staff Member

Add a staff member to one booking business with a role, email, time zone, and optional working schedule.

Delete Appointment

Permanently delete an appointment without invoking Microsoft Bookings' cancellation-message action.

Delete Booking Business

Permanently delete one shared booking business and all of its Microsoft Bookings data.

Delete Customer

Permanently delete one saved customer from a Microsoft Bookings business.

Delete Custom Question

Permanently delete one custom intake question from a booking business.

Delete Service

Permanently delete one service from a Microsoft Bookings business.

Delete Staff Member

Permanently remove one staff member from a Microsoft Bookings business.

Get Appointment

Get one booking appointment, including its service, customers, assigned staff, attendee counts, and UTC start and end times.

Get Booking Business

Get the complete configuration and publication state of one shared booking business.

Get Booking Currency

Get one Microsoft Bookings currency by its ISO currency code.

Get Customer

Get one saved customer and their contact details from a booking business.

Get Custom Question

Get one custom intake question, including its answer type and available choices.

Get Service

Get one service and its duration, pricing, staff, questions, reminders, location, and scheduling configuration.

Get Staff Member

Get one booking staff member's identity, role, membership state, time zone, working hours, and calendar settings.

List Appointments

List one Microsoft Graph page of appointments for a booking business.

List Booking Businesses

List shared booking businesses visible to the connected work or school account.

List Booking Currencies

Return one Microsoft Graph page of the Microsoft Bookings currency catalog with ISO currency IDs and localized symbols.

List Customers

List saved customers for one booking business, one Microsoft Graph page at a time.

List Custom Questions

List custom intake questions defined for one booking business, one Microsoft Graph page at a time.

List Services

List services offered by one booking business, including duration, pricing, staff, and scheduling defaults, one Microsoft Graph page at a time.

List Staff Members

List staff members configured for one booking business, including roles and working hours, one Microsoft Graph page at a time.

Publish Booking Business

Publish a booking business's external scheduling page so customers can access it.

Unpublish Booking Business

Take a booking business's external scheduling page offline and clear its public URL without deleting the business.

Update Appointment

Update an existing appointment's schedule, attendees, service, staff, location, notifications, or pricing without cancelling it.

Update Booking Business

Update supported contact details, hours, currency, business type, address, or scheduling rules without publishing or unpublishing the business.

Update Customer

Update a saved customer's name, email, phone numbers, or postal addresses in one booking business.

Update Custom Question

Update the text, answer type, or choices of one custom intake question.

Update Service

Update a service's name, duration, location, pricing, staff, reminders, questions, visibility, or scheduling rules.

Update Staff Member

Update a booking staff member's identity, role, time zone, working schedule, calendar behavior, or email notifications.

FAQ

Frequently asked questions

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

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

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