# iCloud Calendar (CalDAV) MCP server

iCloud Calendar over CalDAV: list, create, update, move and delete events. Optional read-only mode.

## At a glance

iCloud Calendar (CalDAV) is an MCP server in the Dev Tools & Git category. It runs locally over stdio via `uvx mcp-icloud-caldav`, and needs ICLOUD_USERNAME and ICLOUD_PASSWORD. It exposes 6 tools, including list_calendars, list_events and create_event. It scores B (73/100) on the MCP Skills Hub health score as of Oct 28, 2026.

## Install

### How to install iCloud Calendar (CalDAV) in Claude Code

1. Add the server

```bash
claude mcp add mcp-icloud-caldav -e 'ICLOUD_USERNAME=<ICLOUD_USERNAME>' -e 'ICLOUD_PASSWORD=<ICLOUD_PASSWORD>' -- uvx mcp-icloud-caldav
```

2. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

3. Verify it's connected

```bash
claude mcp list
```

4. 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).

5. Use it in a session

   Ask Claude to use the tools this server exposes (e.g. list_calendars, list_events, create_event). It discovers them automatically.

### How to install iCloud Calendar (CalDAV) in Claude Desktop

1. Open your MCP config

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

2. Add this server

```json
{
  "mcpServers": {
    "mcp-icloud-caldav": {
      "command": "uvx",
      "args": [
        "mcp-icloud-caldav"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_PASSWORD": "<ICLOUD_PASSWORD>"
      }
    }
  }
}
```

3. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

4. Restart Claude Desktop

   The tools appear under the 🔌 menu once the app reloads.

### How to install iCloud Calendar (CalDAV) in Cursor

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

```json
{
  "mcpServers": {
    "mcp-icloud-caldav": {
      "command": "uvx",
      "args": [
        "mcp-icloud-caldav"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_PASSWORD": "<ICLOUD_PASSWORD>"
      }
    }
  }
}
```

2. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

3. Enable it

   Cursor Settings → MCP → toggle the server on. Tools become available to the Composer/Agent.

### How to install iCloud Calendar (CalDAV) in Codex CLI

1. Add to ~/.codex/config.toml

```toml
[mcp_servers.mcp-icloud-caldav]
command = "uvx"
args = ["mcp-icloud-caldav"]
env = { ICLOUD_USERNAME = "<ICLOUD_USERNAME>", ICLOUD_PASSWORD = "<ICLOUD_PASSWORD>" }
```

2. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

3. Run Codex

   Codex loads MCP servers from config.toml on startup and exposes their tools to the agent.

### How to install iCloud Calendar (CalDAV) in Windsurf

1. Edit ~/.codeium/windsurf/mcp_config.json

```json
{
  "mcpServers": {
    "mcp-icloud-caldav": {
      "command": "uvx",
      "args": [
        "mcp-icloud-caldav"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_PASSWORD": "<ICLOUD_PASSWORD>"
      }
    }
  }
}
```

2. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

3. Reload

   Windsurf → Cascade → refresh MCP servers. Cascade can now call the tools.

### How to install iCloud Calendar (CalDAV) in Cline

1. Open Cline → MCP Servers → Configure

   Adds to cline_mcp_settings.json.

2. Add the server

```json
{
  "mcpServers": {
    "mcp-icloud-caldav": {
      "command": "uvx",
      "args": [
        "mcp-icloud-caldav"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_PASSWORD": "<ICLOUD_PASSWORD>"
      }
    }
  }
}
```

3. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

### How to install iCloud Calendar (CalDAV) in VS Code

1. Create .vscode/mcp.json

```json
{
  "servers": {
    "mcp-icloud-caldav": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-icloud-caldav"
      ],
      "env": {
        "ICLOUD_USERNAME": "<ICLOUD_USERNAME>",
        "ICLOUD_PASSWORD": "<ICLOUD_PASSWORD>"
      }
    }
  }
}
```

2. Fill in your credentials

   Replace <ICLOUD_USERNAME>, <ICLOUD_PASSWORD> with your real values. Keep secrets out of any config file you commit.

3. Start it

   VS Code shows a ▶ Start action above the server entry. Agent mode (Copilot Chat) can then use the tools.

## Tools

- `list_calendars` — Names of the available calendars
- `list_events` — Events in a date range, optionally for one calendar, sorted by start time
- `create_event` — New event: title, times, all-day, location, notes, URL, alarms, recurrence
- `update_event` — Change any of those fields, or move the event to another calendar
- `delete_event` — Delete an event by identifier
- `debug_calendar_connection` — Connection check: calendars and event counts over the last 7 days

Source repository: https://github.com/Glob0x17/mcp-icloud-caldav

---

Source: https://mcp-skills-hub.vercel.app/mcps/io-github-glob0x17-mcp-icloud-caldav · MCP Skills Hub · data as of 2026-10-28T12:31:05Z