Dev Tools & GitMCP Registrynpm8 toolsA · 84

icloud-calendar MCP server

Name: icloud-calendar
Author: IceyWu

io.github.IceyWu · Updated 2mo ago

Manage Apple iCloud Calendar through a reliable CalDAV MCP server.

At a glance

icloud-calendar is an MCP server in the Dev Tools & Git category. It runs locally over stdio via `npx -y icloud-calendar-mcp`, and needs ICLOUD_USERNAME and ICLOUD_APP_PASSWORD. It exposes 8 tools, including list_calendars, list_events and get_event. It scores A (84/100) on the MCP Skills Hub health score as of Oct 28, 2026.

Source 0

One-click install

VS Code VS Code Insiders Cursor

Opens your editor and pre-fills the config. Your editor will ask before adding it.

How to install icloud-calendar in your AI client

Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.

How to install icloud-calendar in Claude CodeAnthropic's agentic CLI

Add the server

bash

claude mcp add icloud-calendar -e 'ICLOUD_USERNAME=<ICLOUD_USERNAME>' -e 'ICLOUD_APP_PASSWORD=<ICLOUD_APP_PASSWORD>' -- npx -y icloud-calendar-mcp

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
3
Verify it's connected
bash
```
claude mcp list
```
Sharing it with your team?
Add `--scope project` to write it to .mcp.json in the repository root, which you can commit (with the secrets left as environment variables).
Use it in a session
Ask Claude to use the tools this server exposes (e.g. list_calendars, list_events, get_event). It discovers them automatically.

How to install icloud-calendar in Claude DesktopDesktop app (MCP config)

Open your MCP config
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

Add this server

json

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_APP_PASSWORD": "<ICLOUD_APP_PASSWORD>"
      }
    }
  }
}

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
Restart Claude Desktop
The tools appear under the 🔌 menu once the app reloads.

How to install icloud-calendar in CursorAI-first code editor

Create / edit .cursor/mcp.json in your project

json

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_APP_PASSWORD": "<ICLOUD_APP_PASSWORD>"
      }
    }
  }
}

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
Enable it
Cursor Settings → MCP → toggle the server on. Tools become available to the Composer/Agent.

How to install icloud-calendar in Codex CLIOpenAI coding agent

Add to ~/.codex/config.toml

toml

[mcp_servers.icloud-calendar]
command = "npx"
args = ["-y", "icloud-calendar-mcp"]
env = { ICLOUD_USERNAME = "<ICLOUD_USERNAME>", ICLOUD_APP_PASSWORD = "<ICLOUD_APP_PASSWORD>" }

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
Run Codex
Codex loads MCP servers from config.toml on startup and exposes their tools to the agent.

How to install icloud-calendar in WindsurfCodeium's agentic IDE

Edit ~/.codeium/windsurf/mcp_config.json

json

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_APP_PASSWORD": "<ICLOUD_APP_PASSWORD>"
      }
    }
  }
}

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
Reload
Windsurf → Cascade → refresh MCP servers. Cascade can now call the tools.

How to install icloud-calendar in ClineVS Code autonomous agent

Open Cline → MCP Servers → Configure
Adds to cline_mcp_settings.json.

Add the server

json

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_APP_PASSWORD": "<ICLOUD_APP_PASSWORD>"
      }
    }
  }
}

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.

How to install icloud-calendar in VS CodeCopilot / MCP support

Create .vscode/mcp.json

json

{
  "servers": {
    "icloud-calendar": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_APP_PASSWORD": "<ICLOUD_APP_PASSWORD>"
      }
    }
  }
}

Fill in your credentials
Replace <ICLOUD_USERNAME>, <ICLOUD_APP_PASSWORD> with your real values. Keep secrets out of any config file you commit.
Start it
VS Code shows a ▶ Start action above the server entry. Agent mode (Copilot Chat) can then use the tools.

What does icloud-calendar need from you?

API key — Apple app-specific password (never the Apple Account password)

ICLOUD_USERNAMErequiredEnvironment variable
Apple Account email address
ICLOUD_APP_PASSWORDrequiredsecretEnvironment variable
Apple app-specific password (never the Apple Account password)

Pass secrets through your shell environment rather than committing them into a config file.

What tools does icloud-calendar expose? (8)

Taken from the project's README — the server itself was not queried, so check its docs for the exact schemas.

list_calendarsList calendars
list_eventsList events in a time range
get_eventGet an event
create_eventCreate an event
update_eventUpdate an event
delete_eventDelete an event
find_conflictsFind overlapping events
free_busyReturn busy time ranges

What the code can do

Read from the published package source — never executed. Parsed 13 of 13 source files.

This server can read and write files, make network requests and read your environment variables.

How it was published

Published by a verified CI identity (github trusted publishing) rather than a personal token.
Has a provenance attestation tying this artifact to the commit it was built from.
1 npm maintainer — a single point of compromise · last published by GitHub Actions.

Maintainer of this package and think something here is wrong? Tell us and we'll correct it.

Before you install

Signals gathered from the source repo and package registry — not a safety verdict.

What it can reach

Runs code on your machine — Executes as a local process with your user's permissions, including filesystem access.
Downloads at launch — The package is fetched from its registry each run unless you pin a version.

Last commit 2 months ago — Actively maintained.
Repository created 2 months ago — Very new project with little track record yet.
0 GitHub stars — Very little community usage so far.
299 weekly downloads — Regularly installed by other developers.

Client compatibility

Claude Code: NativeClaude Desktop: NativeCursor: NativeCodex CLI: NativeWindsurf: NativeCline: NativeVS Code: Native

Health score

A · 84

Maintenance, adoption, transparency and packaging — not a safety audit. How this is calculated

Maintenance30%94%
Last commit 72 days ago.
Adoption20%29%
0 stars, 299 weekly downloads.
Transparency20%100%
4/4: ✓ public source repo, ✓ declared license, ✓ documentation, ✓ discoverable tool list.
Provenance15%100%
Package and registry entry point at the same repository.
Packaging15%100%
Publishes a pinned version (0.1.3).

Documentation

Full README

iCloud Calendar MCP

An MCP server for managing iCloud Calendar.

<strong>English</strong> · 简体中文

Setup

Requirements:

Node.js 22.13 or later
Your Apple Account email
An Apple app-specific password

Add the server to your MCP client:

json

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": ["-y", "icloud-calendar-mcp"],
      "env": {
        "ICLOUD_USERNAME": "you@example.com",
        "ICLOUD_APP_PASSWORD": "xxxx-xxxx-xxxx-xxxx"
      }
    }
  }
}

Use an app-specific password, not your Apple Account password.

Tools

| Tool | Purpose | | ---------------- | --------------------------- | | list_calendars | List calendars | | list_events | List events in a time range | | get_event | Get an event | | create_event | Create an event | | update_event | Update an event | | delete_event | Delete an event | | find_conflicts | Find overlapping events | | free_busy | Return busy time ranges |

Events can include time zones, all-day dates, recurrence rules, alarms, locations, descriptions, URLs, and attendees.

Example requests

Once the server is connected, you can ask your MCP client:

Alternatives to icloud-calendar

Maintain icloud-calendar? Add a badge to your README

Shows its health grade, and links readers to install steps for every client.

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Catalog data refreshed Oct 28, 2026. Something wrong? Report it.