Cal.com | Agno

Prerequisites

The following example requires the pytz, requests, and openai libraries.

uv pip install agno requests pytz openai

export CALCOM_API_KEY="your_api_key"
export CALCOM_EVENT_TYPE_ID="your_event_type_id"

The Agent model uses an OpenAI key, separately from any toolkit provider credentials.

Set OpenAI Key

Set your OPENAI_API_KEY as an environment variable. You can get one from OpenAI.

export OPENAI_API_KEY=sk-***

Example

The following agent will use Cal.com to list all events in your Cal.com account for tomorrow.

cookbook/91_tools/calcom_tools.py

from datetime import datetime

from agno.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.tools.calcom import CalComTools

agent = Agent(
    name="Calendar Assistant",
    instructions=[
        f"You're scheduling assistant. Today is {datetime.now()}.",
        "You can help users by:",
        "- Finding available time slots",
        "- Creating new bookings",
        "- Managing existing bookings (view, reschedule, cancel)",
        "- IMPORTANT: In case of rescheduling or cancelling booking, call the get_upcoming_bookings function to get the booking uid. check available slots before making a booking for given time",
        "Always confirm important details before making bookings or changes.",
    ],
    model=OpenAIResponses(id="gpt-5.2"),
    tools=[CalComTools(user_timezone="America/New_York")],
    markdown=True,
)

agent.print_response("What are my bookings for tomorrow?")

Toolkit Params

Parameter	Type	Default	Description
`api_key`	`Optional[str]`	`None`	Cal.com API key. Uses CALCOM_API_KEY if not set.
`event_type_id`	`Optional[int]`	`None`	Event type ID for scheduling. Uses CALCOM_EVENT_TYPE_ID if not set.
`user_timezone`	`Optional[str]`	`None`	User's timezone. Falls back to "America/New_York" if not set.
`timeout`	`int`	`30`	Request timeout in seconds
`enable_get_available_slots`	`bool`	`True`	Enable getting available time slots
`enable_create_booking`	`bool`	`True`	Enable creating new bookings
`enable_get_upcoming_bookings`	`bool`	`True`	Enable getting upcoming bookings
`enable_reschedule_booking`	`bool`	`True`	Enable rescheduling bookings
`enable_cancel_booking`	`bool`	`True`	Enable canceling bookings
`all`	`bool`	`False`	Enable all tools

Toolkit Functions

Function	Description
`get_available_slots`	Gets available time slots for a given date range
`create_booking`	Creates a new booking with provided details
`get_upcoming_bookings`	Gets list of upcoming bookings
`reschedule_booking`	Reschedules an existing booking
`cancel_booking`	Cancels an existing booking

Developer Resources

Tools