What is the key difference between Google Calendar MCP and Hackmd MCP?

Google Calendar MCP belongs to the Workplace & Productivity category with local stdio execution, while Hackmd MCP belongs to the Workplace & Productivity category with local stdio execution.

How do I install Google Calendar MCP or Hackmd 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 Google Calendar MCP and Hackmd MCP free or paid?

Google Calendar MCP operates under a BYOK (Pay Provider Direct) model (OAuth 2.0). Hackmd MCP operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Google Calendar MCP lists 3 tools with 2 views and 59 GitHub stars. Hackmd MCP lists 12 tools with 2 views and 67 GitHub stars.

Can I use both Google Calendar MCP and Hackmd 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

Google Calendar MCP vs Hackmd MCP

In-depth architectural comparison of the Google Calendar MCP and Hackmd 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

Google Calendar MCP

Workplace & Productivity · Local stdio

Quality: 55/100 (Good) | Auth: OAuth 2.0

Hackmd MCP

Workplace & Productivity · Local stdio

Quality: 59/100 (Good) | Auth: API Key required

Verdict Summary: Choose Google Calendar MCP if you need specialized Workplace & Productivity tools running via a local process. Choose Hackmd 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 Google Calendar MCP when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (BYOK (Pay Provider Direct)).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_REDIRECT_URI, TOKEN_ENCRYPTION_KEY, PORT.
Primary tools included: event, start, end.

Explore Google Calendar MCP Details

Choose Hackmd 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 (BYOK (Pay Provider Direct)).
You have access to required keys: HACKMD_API_TOKEN, HACKMD_API_URL, ALLOWED_HACKMD_API_URLS, PORT.

Feature & Specification Comparison

Specification	Google Calendar MCP takumi0706 Workplace & Productivity	Hackmd MCP yuna0x0 Workplace & Productivity
Summary	An MCP server to interface with the Google Calendar API. Based on TypeScript.	Allows AI models to interact with HackMD
Category & Scope	Workplace & Productivity

Tools & Capabilities Breakdown

Google Calendar MCP Tools (3)

event

Event details object containing:

start

Start time object with:

end

End time object (same format as start)

Hackmd MCP Tools (12)

get_user_info

Get information about the authenticated user

list_teams

List all teams accessible to the user

get_history

Get user's reading history

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).

Google Calendar MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "takumi0706-google-calendar-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@takumi0706/google-calendar-mcp@2.0.0"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "GOOGLE_REDIRECT_URI": "YOUR_GOOGLE_REDIRECT_URI_HERE",
        "TOKEN_ENCRYPTION_KEY": "YOUR_TOKEN_ENCRYPTION_KEY_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

Hackmd MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "yuna0x0-hackmd-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "hackmd-mcp"
      ],
      "env": {
        "HACKMD_API_TOKEN": "YOUR_HACKMD_API_TOKEN_HERE",
        "HACKMD_API_URL": "YOUR_HACKMD_API_URL_HERE",
        "ALLOWED_HACKMD_API_URLS": "YOUR_ALLOWED_HACKMD_API_URLS_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

Frequently Asked Questions

Google Calendar MCP is categorized under Workplace & Productivity and uses a local stdio subprocess. In contrast, Hackmd MCP belongs to Workplace & Productivity using local stdio subprocess. Select Google Calendar MCP when you need capabilities focused on workplace & productivity and Hackmd MCP when you require tools for workplace & productivity.

More alternatives to Google Calendar MCP More alternatives to Hackmd MCP Workplace & Productivity category hub