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Calendly MCP Server

by 84emllc
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Calendly MCP Server

Fork of meAmitPatil/calendly-mcp-server with Scheduling API integration and OAuth 2.0 support.

A Model Context Protocol (MCP) server for the Calendly API. Manage events, invitees, and schedule meetings directly via AI assistants.

Installation

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "calendly": {
      "command": "npx",
      "args": ["-y", "calendly-mcp-server"],
      "env": {
        "CALENDLY_API_KEY": "your_personal_access_token_here"
      }
    }
  }
}

Cursor

Add to your Cursor MCP settings:

{
  "mcpServers": {
    "calendly": {
      "command": "npx",
      "args": ["-y", "calendly-mcp-server"],
      "env": {
        "CALENDLY_API_KEY": "your_personal_access_token_here"
      }
    }
  }
}

Related MCP server: Google Calendar MCP Server

Configuration

Variable

Required

Description

CALENDLY_API_KEY

Yes*

Personal Access Token (get one here)

CALENDLY_CLIENT_ID

Yes*

OAuth 2.0 client ID (alternative to PAT)

CALENDLY_CLIENT_SECRET

Yes*

OAuth 2.0 client secret

CALENDLY_ACCESS_TOKEN

No

OAuth access token (if already obtained)

CALENDLY_REFRESH_TOKEN

No

OAuth refresh token

CALENDLY_USER_URI

No

User URI for automatic defaults

CALENDLY_ORGANIZATION_URI

No

Organization URI for automatic defaults

*Either CALENDLY_API_KEY or OAuth credentials (CALENDLY_CLIENT_ID + CALENDLY_CLIENT_SECRET) are required.

Tools (12)

OAuth

Tool

Description

get_oauth_url

Generate OAuth authorization URL

exchange_code_for_tokens

Exchange authorization code for tokens

refresh_access_token

Refresh an expired access token

API

Tool

Description

get_current_user

Get authenticated user info

list_events

List scheduled events with filtering

get_event

Get event details

list_event_invitees

List invitees for an event

cancel_event

Cancel a scheduled event

list_organization_memberships

List organization memberships

Scheduling API

Tool

Description

list_event_types

List available event types

get_event_type_availability

Check available time slots

schedule_event

Book a meeting (requires paid Calendly plan)

API Limitations

  • Scheduling API requires a paid Calendly plan (Standard or higher)

  • Event rescheduling is not supported via API (only cancellation)

  • Event type creation is not available via API

  • Standard Calendly API rate limits apply

Contributing

Pull requests welcome. See the upstream project for the original implementation.

License

MIT License. See LICENSE for details.

Credits

This server cannot be installed

A
license - permissive license
-
quality - not tested
D
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

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