What is the key difference between Apple Calendar and Cellar?

Apple Calendar belongs to the OS Automation category with local stdio execution, while Cellar belongs to the OS Automation category with cloud HTTP/SSE execution.

How do I install Apple Calendar or Cellar in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Apple Calendar and Cellar free or paid?

Apple Calendar operates under a Free / Open Source model (No auth required). Cellar operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Apple Calendar lists 0 tools with 0 views and 0 GitHub stars. Cellar lists 6 tools with 2 views and 4 GitHub stars.

Can I use both Apple Calendar and Cellar together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Apple Calendar or Cellar in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Apple Calendar and Cellar free to use, or do they require API keys?

Apple Calendar is listed under a Free / Open Source model with No auth required . Cellar operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Apple Calendar and Cellar at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both apple-calendar and dimpagk92-cellar as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Apple Calendar has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Cellar holds a Quality Score of 55 /100 ( Good ) with 2 views, 0 installs, and 4 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Apple Calendar vs Cellar

In-depth architectural comparison of the Apple Calendar and Cellar MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Apple Calendar

OS Automation · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Cellar

OS Automation · Remote HTTP/SSE

Quality: 55/100 (Good) | Auth: No auth required

Verdict Summary: Choose Apple Calendar if you need specialized OS Automation tools running via a local process. Choose Cellar if your workspace requires OS Automation integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Apple Calendar when:

You need dedicated capabilities in the OS Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Apple Calendar Details

Choose Cellar when:

You need dedicated capabilities in the OS Automation domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: ContextElement and ContextSnapshot modeling and merging, Memory trait with session, scope, and write hook support, Local SQLite and vector search memory backend.

Explore Cellar Details

Feature & Specification Comparison

Specification	A Apple Calendar OS Automation	Cellar dimpagk92 OS Automation
Summary	List, create, update, and delete events in Apple Calendar on macOS.	Hybrid computer-use runtime. Fuses accessibility tree + Chrome DevTools Protocol + vision into structured context with per-element confidence. 4 MCP tools (see/act/think/perceive). Continuous awareness engine (Cortex) with freshness + side-effect detection. Works offline with Ollama + local models.
Category & Scope	OS Automation

Tools & Capabilities Breakdown

Apple Calendar Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Cellar Tools (6)

ContextElement and ContextSnapshot modeling and merging

Memory trait with session, scope, and write hook support

Local SQLite and vector search memory backend

Brief assembly with budgeting, governance, and receipts

Action, planning, and execution receipt schemas

LLM summarizers supporting Anthropic and Ollama models

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Apple Calendar Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "apple-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "apple-calendar"
      ]
    }
  }
}

Cellar Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "dimpagk92-cellar": {
      "url": "https://crates.io/"
    }
  }
}

Frequently Asked Questions

Apple Calendar is categorized under OS Automation and uses a local stdio subprocess. In contrast, Cellar belongs to OS Automation using remote streaming HTTP/SSE transport. Select Apple Calendar when you need capabilities focused on os automation and Cellar when you require tools for os automation.

More alternatives to Apple Calendar More alternatives to Cellar OS Automation category hub