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MCP server · Developer Tools

Calendly

by · github.com/universal-mcp/calendly

Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.

Unclaimed MIT last commit a year ago devtools
InstallView source
45Fair

Scored yesterday · breakdown

About Calendly

Calendly is an MCP server published by universal-mcp in the Developer Tools category: calendly MCP Pack — wraps the Calendly API v2 for scheduling data.

The repository has 6 stars and 1 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/universal-mcp/calendly

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 2 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

Releases

v0.1.1v0.1.1

README

Calendly Universal MCP Server

This repository contains an implementation of an Calendly Universal MCP (Model Context Protocol) server. It provides a standardized interface for interacting with Calendly's tools and services through a unified API.

The server is built using the Universal MCP framework.

This implementation follows the MCP specification, ensuring compatibility with other MCP-compliant services and tools.

Usage

You can start using Calendly directly from agentr.dev. Visit agentr.dev/apps and enable Calendly.

If you have not used universal mcp before follow the setup instructions at agentr.dev/quickstart

Available Tools

The full list of available tools is at ./src/universal_mcp_calendly/README.md

Local Development

📋 Prerequisites

Ensure you have the following before you begin:

  • Python 3.11+ (recommended)
  • uv (install globally with pip install uv)

🛠️ Setup Instructions

Follow the steps below to set up your development environment:

  1. Sync Project Dependencies

    uv sync

    This installs all dependencies from pyproject.toml into a local virtual environment (.venv).

  2. Activate the Virtual Environment

    For Linux/macOS:

    source .venv/bin/activate

    For Windows (PowerShell):

    .venv\Scripts\Activate

  3. Start the MCP Inspector

    mcp dev src/universal_mcp_calendly/server.py

    This will start the MCP inspector. Make note of the address and port shown in the console output.

  4. Install the Application

    mcp install src/universal_mcp_calendly/server.py

📁 Project Structure

.
├── src/
│   └── universal_mcp_calendly/
│       ├── __init__.py       # Package initializer
│       ├── server.py            # Server entry point
│       ├── app.py            # Application tools
│       └── README.md         # List of application tools
├── tests/                    # Test suite
├── .env                      # Environment variables for local development
├── pyproject.toml            # Project configuration
└── README.md                 # This file

📄 License

This project is licensed under the MIT License.

Generated with MCP CLI — Happy coding! 🚀

README fetched from the repository 2 hours ago. The original is authoritative.

Questions

About Calendly

How do I install Calendly?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Calendly safe to use with an AI agent?

Its trust score is 45 out of 100 (fair). It passes 5 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Calendly still maintained?

The last commit was a year ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.