What is the key difference between Kalender Sync and Graphql?

Kalender Sync belongs to the Developer Tools category with cloud HTTP/SSE execution, while Graphql belongs to the Developer Tools category with local stdio execution.

How do I install Kalender Sync or Graphql 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 Graphql free or paid?

Kalender Sync operates under a Free / Open Source model (No auth required). Graphql operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Kalender Sync lists 0 tools with 0 views and 0 GitHub stars. Graphql lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Kalender Sync and Graphql 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 Kalender Sync or Graphql 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 Kalender Sync and Graphql free to use, or do they require API keys?

Kalender Sync is listed under a Free / Open Source model with No auth required . Graphql 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 Kalender Sync and Graphql at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both kalender-sync and graphql 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, Kalender Sync has a Quality Score of 30 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Graphql holds a Quality Score of 40 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Kalender Sync vs Graphql

In-depth architectural comparison of the Kalender Sync and Graphql 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

Developer Tools · Remote HTTP/SSE

Quality: 30/100 (Emerging) | Auth: No auth required

Graphql

Developer Tools · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Kalender Sync if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Graphql if your workspace requires Developer Tools 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 Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Kalender Sync Details

Choose Graphql when:

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

Explore Graphql Details

Feature & Specification Comparison

Specification	K Kalender Sync Developer Tools	G Graphql Developer Tools
Summary	GDPR-compliant calendar access for AI assistants: Google, Microsoft 365, Apple, CalDAV. EU-hosted.	Turn any GraphQL API into MCP tools. Zero config, zero code.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Kalender Sync Tools (0)

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

Graphql Tools (0)

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

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"
    }
  }
}

Graphql Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "graphql": {
      "command": "npx",
      "args": [
        "-y",
        "graphql-to-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Kalender Sync is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Graphql belongs to Developer Tools using local stdio subprocess. Select Kalender Sync when you need capabilities focused on developer tools and Graphql when you require tools for developer tools.

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