How to Use the Cal.com MCP in OpenAI Agents SDK

Manage your Cal.com bookings directly inside your OpenAI Agents SDK production pipeline.

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Connect Cal.com MCP to OpenAI Agents SDK

Create your Vinkius account to connect Cal.com to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Cal.com with OpenAI Agents SDK

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Full booking control in OpenAI Agents SDK

Control your schedule by invoking `create_booking` or `reschedule_booking` directly from your agent logic. The server handles the underlying API calls while your code stays clean. Your agent uses `cancel_booking` to clean up invalid slots. It triggers the same notification flow as the web UI, keeping your guests informed.

Extract event data for OpenAI Agents SDK

Query `get_event_type` to understand your specific meeting constraints. This MCP Server lets your agent inspect the exact rules governing your availability before proposing times. Use `list_event_types` to iterate through your active calendar configurations. Your agent parses these structures to match guest needs against your defined blocks.

Track availability via OpenAI Agents SDK

Fetch real-time slots using `get_available_slots` to avoid double-booking. Your agent reads the array bounds to suggest only valid times to your users. Call `list_bookings` to audit current statuses. You get a clear view of pending, accepted, or rejected meetings within your agent's execution trace.

Setup guide

Set up Cal.com MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Cal.com tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Cal.com tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Cal.com tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Cal.com Agent",
            instructions="You have access to Cal.com tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Cal.com. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Cal.com MCP in OpenAI Agents SDK

Install the openai-agents package and define your connection using MCPServerStreamableHttp. Pass the server instance into your agent constructor to let your code auto-discover every tool.

Yes, it is designed for production use cases. Enable cacheToolsList to improve performance during your agent's execution loop.

It does. Use an async context manager to handle the server lifecycle. This keeps your agent's event loop responsive while fetching calendar data.

The server uses specific UIDs to interact with your data. No unauthorized access occurs because the connection relies on your unique endpoint token.

It handles booking UIDs, attendee names, and temporal slot arrays. This MCP Server keeps your sensitive calendar metadata strictly scoped to the tools you call.

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