What is the key difference between Kalender Sync and Weeek MCP?

Kalender Sync belongs to the Workplace & Productivity category with cloud HTTP/SSE execution, while Weeek MCP belongs to the Workplace & Productivity category with local stdio execution.

How do I install Kalender Sync or Weeek MCP 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 Kalender Sync and Weeek MCP free or paid?

Kalender Sync operates under a Free / Open Source model (OAuth 2.0). Weeek MCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Kalender Sync lists 6 tools with 3 views and 0 GitHub stars. Weeek MCP lists 6 tools with 3 views and 0 GitHub stars.

Can I use both Kalender Sync and Weeek MCP 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.

Side-by-Side Model Context Protocol Comparison

Kalender Sync vs Weeek MCP

In-depth architectural comparison of the Kalender Sync and Weeek MCP 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

Kalender Sync

Workplace & Productivity · Remote HTTP/SSE

Quality: 39/100 (Fair) | Auth: OAuth 2.0

Weeek MCP

Workplace & Productivity · Local stdio

Quality: 45/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Kalender Sync if you need specialized Workplace & Productivity tools running via a hosted cloud SSE transport. Choose Weeek MCP if your workspace requires Workplace & Productivity integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Kalender Sync when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: OAuth 2.0 (Free / Open Source).
Primary tools included: MCP-based calendar access, Google calendar support, Microsoft 365 calendar support.

Explore Kalender Sync Details

Choose Weeek MCP when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: WEEEK_ACCESS_TOKEN.
Primary tools included: Read-only-by-default tool registration, Project, task, board, member, and tag queries, Optional task creation and mutation tools.

Feature & Specification Comparison

Specification	K Kalender Sync Workplace & Productivity	Weeek MCP Workplace & Productivity
Summary	GDPR-compliant calendar access for AI assistants: Google, Microsoft 365, Apple, CalDAV. EU-hosted.	Local MCP server for Weeek (stdio transport) — read-only by default, opt-in write tools.
Category & Scope	Workplace & Productivity	Workplace & Productivity

Tools & Capabilities Breakdown

Kalender Sync Tools (6)

MCP-based calendar access

Google calendar support

Microsoft 365 calendar support

Apple calendar support

CalDAV support

EU hosting with GDPR-compliant positioning

Weeek MCP Tools (6)

Read-only-by-default tool registration

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).

Kalender Sync Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "kalender-sync": {
      "url": "https://kalender-sync.de/en/mcp"
    }
  }
}

Weeek MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "weeek-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "weeek-mcp"
      ],
      "env": {
        "WEEEK_ACCESS_TOKEN": "YOUR_WEEEK_ACCESS_TOKEN_HERE"
      }
    }
  }
}

Frequently Asked Questions

Kalender Sync is categorized under Workplace & Productivity and uses a remote streaming HTTP/SSE transport. In contrast, Weeek MCP belongs to Workplace & Productivity using local stdio subprocess. Select Kalender Sync when you need capabilities focused on workplace & productivity and Weeek MCP when you require tools for workplace & productivity.

More alternatives to Kalender Sync More alternatives to Weeek MCP Workplace & Productivity category hub