Calendarhero MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Calendarhero MCP or direct API to schedule meetings, fetch availability, reschedule events, and automate reminders through natural language.
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Try Calendarhero now

Enter a prompt below to test the integration in our Tool Router playground. You'll be redirected to sign in and try it live.

Supported Tools

Tools
Add Calendar ConnectionAdd a new calendar directory/connection to the user's CalendarHero account.
Create ContactCreates a new contact in CalendarHero with the provided contact information.
Create Meeting Request V2Tool to create a new meeting request in CalendarHero.
Create WebhookCreates or updates a webhook for a specific event type in CalendarHero.
Delete ContactTool to delete a contact from CalendarHero by its unique identifier.
Delete Meeting TaskTool to delete a meeting task/request from CalendarHero.
Delete Meeting TypeTool to delete a meeting type from the authenticated user's CalendarHero account.
Delete User DirectoryTool to delete a user directory by its UUID.
Delete WebhookTool to delete a webhook subscription for a specific event type.
Fetch ContactFetch Contact
Fetch Meeting DetailsTool to fetch details for meetings within a specified timeframe.
Fetch User ProfileTool to fetch the profile details of the authenticated user.
Get Assistant MessageTool to retrieve a reply message from the CalendarHero assistant.
Get Contact CountTool to get the total count of contacts in CalendarHero.
Get Meeting CategoriesRetrieves the user's meeting categories' stats for a specified time period.
Get Meeting TasksRetrieves the user's meeting requests/tasks from CalendarHero.
Get Search ResultTool to get a search result by ID.
Get User DirectoryTool to retrieve a user's directory by its unique identifier.
Get User OrganizationTool to retrieve the authenticated user's organization details.
Get User SavingsTool to retrieve the authenticated user's savings information from CalendarHero.
Get Webhook ConfigurationTool to get webhook configuration for a specific event type.
Get Webhook SampleTool to retrieve a sample webhook payload for a specific event type.
List Meeting TemplatesRetrieves all meeting templates (reusable meeting configurations) for the authenticated user.
List Meeting TypesRetrieves all meeting types configured for the authenticated CalendarHero user.
List User CalendarsTool to list all calendar integrations connected to a user's CalendarHero account.
List User DirectoriesTool to retrieve all directories configured for a user.
Search ContactTool to search for existing contacts.
Search IntegrationsTool to search across all user integrations for a query term.
Send Assistant MessageTool to send a user's message into the CalendarHero assistant.
Send ReminderSends an email reminder to all contacts/participants about a scheduled meeting request.
Update ContactUpdates an existing contact in CalendarHero with new information.
Update Meeting TypesTool to update meeting type configurations for the authenticated CalendarHero user.
Update Restricted AppsTool to update the authenticated user's restricted apps settings.
Update UserTool to update the authenticated user's profile information.
Update User AddressTool to update the authenticated user's address settings by providing latitude and longitude coordinates.
Update User DirectoryTool to update a user's directory in CalendarHero.
Update User InfoUpdates the authenticated user's info settings in CalendarHero.
Update Work LocationTool to update the user's work location settings in CalendarHero.
Python
TypeScript

Install Composio

python
pip install composio claude-agent-sdk
Install the Composio SDK and Claude Agent SDK

Create Tool Router Session

python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
Initialize the Composio client and create a Tool Router session

Connect to AI Agent

python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Calendarhero tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Schedule a meeting with Jane Doe for next Monday at 10am')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
Use the MCP server with your AI agent

Why Use Composio?

AI Native Calendarhero Integration

  • Supports both Calendarhero MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Calendarhero data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Calendarhero access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Calendarhero
  • Scoped, least privilege access to Calendarhero resources
  • Full audit trail of agent actions to support review and compliance

Use Calendarhero with any AI Agent Framework

Choose a Framework you want to connect Calendarhero with

Frequently Asked Questions

Do I need my own developer credentials to use Calendarhero with Composio?

Yes, Calendarhero requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.

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