How to Use the Fantastical MCP in Google ADK

Q: Can I filter tools when using Fantastical with Google ADK?

Yes. You can use the toolnames filter to restrict which actions the agent can perform.

Connect your Google ADK agents to your calendar with the Fantastical MCP Server.

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Connect Fantastical MCP to Google ADK

Create your Vinkius account to connect Fantastical to Google ADK 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 Fantastical with Google ADK

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Google ADK agents handle calendar events

Your agent uses `create_event` to put tasks directly onto your calendar. It interprets your natural language intent to set the right time blocks. This turns your agent into an active scheduler. It manages your time alongside your other Google Cloud data sources.

Syncing Google ADK agents with Fantastical openings

The agent queries `list_openings` to find time for new meetings. It uses `get_opening` to pull specific details needed for coordination. This creates a tight loop between your agent and your availability. It keeps your calendar accurate while you focus on higher-level tasks.

Monitoring calendar status in Google ADK

Your agent runs `list_events` to scan your busy periods. It uses `list_calendars` to distinguish between personal and professional time blocks. This gives your agent total awareness of your schedule. It acts on that information to adjust your day automatically.

Setup guide

Set up Fantastical MCP in Google ADK

Prerequisites

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

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with Fantastical tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="Fantastical_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Fantastical tools via MCP.",
    tools=mcp_tools,
)

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Common questions about Fantastical MCP in Google ADK

You initialize the McpToolset with your server URL. The agent then maps the tools to its execution layer.

Yes. You can use the tool_names filter to restrict which actions the agent can perform.

The server uses the same parsing engine found in the app. It handles natural language input with high accuracy for your agents.

It operates over HTTP or Stdio. The connection stays active as long as your agent process is running.

All traffic is encrypted and scoped to your API token. Your sensitive calendar entries never touch external storage beyond the API call.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript

Mastra AI sdk-typescript

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