You can connect Calendly to AI tools like Claude or ChatGPT to manage scheduling directly from your conversation. The steps to connect may vary depending on the AI tool.
MCP powers this connection behind the scenes, so your AI tool can take actions in your Calendly account.
Note
Want to learn more about how this works? Read our blog post.
What you can do
After connecting Calendly to your AI tools, you can take actions such as:
- Find open time or view busy slots
- Book or cancel meetings
- Create single-use links
- Update availability settings
- Create or manage event types
Subscription requirements
You do not need a paid Calendly plan to connect Calendly to your AI tools using MCP. However, availability of some actions may vary depending on your Calendly plan.
Claude
Calendly is available on all Claude plans.
ChatGPT
You need a supported paid ChatGPT plan to use custom connectors:
- Plus (with access to Developer mode)
- Team
- Enterprise
Free ChatGPT plans do not support custom connectors.
Some ChatGPT Plus accounts may not support custom connectors. To check, go to Settings > Apps > Advanced settings in ChatGPT and look for Developer mode.
If you see Developer mode, you can continue with the setup steps below. If you don’t see it, your plan may not support custom connectors, or it may be disabled by your workspace admin.
Connect Calendly to Claude
Use the Calendly connector for Claude. These steps apply to Claude on web and desktop.
- From your sidebar in Claude, select Customize.
- Select Connect your tools and search Calendly.
- Select Connect.
- In the Calendly window that opens, sign in if prompted.
- Select Approve to grant access.
You’ll be taken back to Claude once the connection is complete.
Use Calendly in Claude
After connecting, enable Calendly in a chat to start using it.
- Start a new chat in Claude.
- Select + in the chat box.
- Select Connectors, then turn on Calendly.
You can now ask Claude about your schedule and take actions directly in the conversation.
Connect Calendly to ChatGPT
These steps apply to ChatGPT on web and desktop.
- Open Settings in ChatGPT.
- Go to Apps > Advanced settings and turn on Developer mode.
- If you do not see Developer mode, your plan may not support custom connectors, or it may be disabled by your workspace admin.
- Select Create app.
- Enter the following details:
- Name: Calendly
- MCP Server URL: https://mcp.calendly.com
- Authentication: OAuth
- Leave the OAuth Client ID and Client Secret fields blank.
- Select the checkbox, then select Create.
- In the Calendly window that opens, sign in if prompted.
- Select Approve to grant access.
You’ll be taken back to ChatGPT once the connection is complete.
Use Calendly in ChatGPT
After connecting, enable Calendly in a chat to start using it.
- Start a new chat in ChatGPT.
- Select + in the chat box.
- Select More, then choose Calendly.
You can now ask ChatGPT about your schedule and take actions directly in the conversation.
Connect Calendly to other AI tools
If your AI tool supports Model Context Protocol (MCP), you can connect it to Calendly using the MCP server URL:
https://mcp.calendly.com/
In your AI tool, look for an option to add an MCP server or custom connector, then paste this URL. Follow your AI tool’s instructions to complete setup.
Example prompts
Try these prompts with your connected AI tool:
- “List my event types.”
- “Find open time next week for my 30-minute meeting.”
- “Create a single-use link for my 1:1 meeting.”
- “What is my scheduling link?”
- “Book a 30-minute meeting with Sarah this Thursday at 2 PM.”
- “Cancel my 2 PM meeting with Alex.”
- “Remove Fridays as available days for my 30-minute meeting.”
You can also ask, “What can you help me with in Calendly?” to explore available actions.
For full technical details and a complete list of supported actions, see the Developer Integration Guide.