How to Use the Calendly MCP in Mastra AI

Q: Can I use Mastra AI to manage Calendly invitees?

You can. Use listinvitees to pull attendee lists and trigger custom alerts or CRM updates based on who signed up for your event.

Build complex scheduling workflows in Mastra AI using direct Calendly integration.

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Connect Calendly MCP to Mastra AI

Create your Vinkius account to connect Calendly to Mastra AI 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 Calendly with Mastra AI

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Mastra AI handles Calendly scheduling loops

Use `list_scheduled_events` inside your Mastra agent workflows to trigger follow-up actions. If a meeting is booked, the agent can automatically reach out. Build agents that react to changes in your calendar. You define the logic, and the agent executes the Calendly operations.

Automate Mastra AI cancellations

Configure your agents to invoke `cancel_event` when specific business logic is met. It handles the API call and sends the reason to the attendee automatically. Failure handling is built-in. If the network drops, your Mastra workflow retries the request until the event is cleared.

Map Mastra AI team structures

Run `list_org_members` to feed team data into your agent's decision-making process. The agent understands your organization hierarchy to route bookings correctly. It provides the agent with context about who is available. This keeps your multi-step workflows accurate and aware of your team size.

Setup guide

Set up Calendly MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All Calendly tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "calendly-mcp-client",
  servers: {
    "calendly-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "Calendly Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to Calendly tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent Calendly transactions"
);
console.log(result.text);

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Common questions about Calendly MCP in Mastra AI

Pass the server URL to your Mastra agent config. Once connected, your agents can list events and modify bookings as part of their standard workflow.

Yes. Mastra manages the retry logic for every tool call. If a Calendly request hits a rate limit, the agent waits and tries again.

You can. Use `list_invitees` to pull attendee lists and trigger custom alerts or CRM updates based on who signed up for your event.

It does. Set your Mastra tools to require approval, and the agent will pause until you verify the Calendly operation in your terminal.

Your invitee names and emails are processed only within the agent's execution context. The Vinkius sandbox ensures no logs persist after the task finishes.

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