How to Use the Truto Unified Calendar MCP in LlamaIndex

Q: Can I query multiple calendars using Truto Unified Calendar and LlamaIndex?

Yes. Use listcalendars first to identify all IDs, then run targeted queries for each ID to build a comprehensive index of your organization's schedules.

Q: What if I need to check current availability with Truto Unified Calendar and LlamaIndex?

You run getfreebusy, which returns free/busy time blocks for a given calendar ID. This data can then be added to your index, allowing you to query general team availability patterns.

Q: How does LlamaIndex handle API authentication and permissions?

You use validateconnection before indexing or querying. This confirms that the connection has the proper credentials and permissions needed for accessing scheduling data.

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Connect Truto Unified Calendar MCP to LlamaIndex

Create your Vinkius account to connect Truto Unified Calendar to LlamaIndex 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 Truto Unified Calendar with LlamaIndex

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Perplexity

Search past schedules and events.

The `list_events` tool retrieves all event details for a given calendar ID, returning titles, locations, and attendees. These results are perfect to index into a vector store so you can semantically query historical appointments. The agent can then combine this live API data with documents. If the user asks about 'the meeting last month with John at the downtown office,' LlamaIndex searches both your document base and the indexed event list.

Understand calendar availability range.

`get_free_busy` accepts a calendar ID and a time range. It returns structured blocks—marked as free or busy—which you can index to answer complex questions like, 'When was the team generally available last quarter?' This mechanism lets you query historical availability patterns that wouldn't be obvious just looking at single events.

Manage event creation and modification.

The `create_event` tool allows your RAG application to write new data points (new appointments) back into the system. You pass a calendar ID, title, and ISO times, making the API call part of the knowledge cycle. Similarly, using `update_event` lets you modify existing records in the indexable knowledge base.

Setup guide

Set up Truto Unified Calendar MCP in LlamaIndex

Prerequisites

Python 3.10+ installed
llama-index-tools-mcp package
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai. The MCP tools package provides BasicMCPClient and McpToolSpec.
2

Connect with BasicMCPClient
Point BasicMCPClient to your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. Supports SSE and Streamable HTTP transports.
3

Convert to LlamaIndex tools
Call mcp_tool_spec.to_tool_list_async() to convert all Truto Unified Calendar MCP tools into native FunctionTool objects that any LlamaIndex agent can use.
4

Run with any LLM
Create a FunctionAgent with the tools and your preferred LLM. Swap OpenAI for Anthropic, Gemini, or any LlamaIndex-supported provider.

agent.py

from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI

# Connect to the MCP
mcp_client = BasicMCPClient(
    "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)
mcp_tool_spec = McpToolSpec(client=mcp_client)

# Convert MCP tools to LlamaIndex tools
tools = await mcp_tool_spec.to_tool_list_async()

# Create and run the agent
agent = FunctionAgent(
    tools=tools,
    llm=OpenAI(model="gpt-4o"),
    system_prompt="You have access to Truto Unified Calendar tools.",
)
response = await agent.run("List recent Truto Unified Calendar data")

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Common questions about Truto Unified Calendar MCP in LlamaIndex

LlamaIndex treats API outputs as searchable data. You can index the results of `get_event` to build a knowledge base where any past event's details are retrievable via semantic search.

Yes. Use `list_calendars` first to identify all IDs, then run targeted queries for each ID to build a comprehensive index of your organization's schedules.

The primary data type is event metadata: titles, start/end times (ISO 8601), descriptions, attendee emails, and location strings. This structured data enriches your index.

You run `get_free_busy`, which returns free/busy time blocks for a given calendar ID. This data can then be added to your index, allowing you to query general team availability patterns.

You use `validate_connection` before indexing or querying. This confirms that the connection has the proper credentials and permissions needed for accessing scheduling data.

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