What is the key difference between Temporal Cortex MCP and Caldav MCP?

Temporal Cortex MCP belongs to the Workplace & Productivity category with local stdio execution, while Caldav MCP belongs to the Workplace & Productivity category with local stdio execution.

How do I install Temporal Cortex MCP or Caldav 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 Temporal Cortex MCP and Caldav MCP free or paid?

Temporal Cortex MCP operates under a Free / Open Source model (other). Caldav MCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Temporal Cortex MCP lists 18 tools with 3 views and 13 GitHub stars. Caldav MCP lists 8 tools with 2 views and 14 GitHub stars.

Can I use both Temporal Cortex MCP and Caldav 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

Temporal Cortex MCP vs Caldav MCP

In-depth architectural comparison of the Temporal Cortex MCP and Caldav 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

Temporal Cortex MCP

Workplace & Productivity · Local stdio

Quality: 65/100 (Great) | Auth: other

Caldav MCP

Workplace & Productivity · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Verdict Summary: Choose Temporal Cortex MCP if you need specialized Workplace & Productivity tools running via a local process. Choose Caldav 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 Temporal Cortex MCP when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, MICROSOFT_CLIENT_ID, TIMEZONE.
Primary tools included: adjust_timestamp, book_slot, check_availability.

Explore Temporal Cortex MCP Details

Choose Caldav 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: CALDAV_URL, CALDAV_USERNAME, CALDAV_PASSWORD.
Primary tools included: .

Feature & Specification Comparison

Specification	Temporal Cortex MCP temporal-cortex Workplace & Productivity	Caldav MCP madbonez Workplace & Productivity
Summary	AI-native calendar middleware for scheduling, availability, and conflict-free booking across Google Calendar, Outlook, and CalDAV. 15 tools across 5 layers: temporal context, calendar operations, multi-calendar availability, open scheduling, and Two-Phase Commit booking. Deterministic datetime resolution and RRULE expansion powered by Truth Engine.	Universal MCP server for CalDAV protocol integration. Works with any CalDAV-compatible calendar server including Yandex Calendar, Google Calendar (via CalDAV), Nextcloud, ownCloud, Apple iCloud, and others. Supports creating events with recurrence, categories, priority, attendees, reminders, searching events, and retrieving events by UID.

Tools & Capabilities Breakdown

Temporal Cortex MCP Tools (18)

adjust_timestamp

Adjust a timestamp by adding or subtracting a duration. DST-aware: '+1d' preserves wall-clock time across daylight saving transitions.

book_slot

Book a calendar slot using Two-Phase Commit for safe, conflict-free booking.

check_availability

Check if a calendar time slot is available (not held by another booking).

compose_proposal

Compose a scheduling proposal message with proposed time slots. Formats times in the specified timezone for email, Slack, or SMS. Does NOT send the message — returns formatted text for the agent to send via its channel MCP (Gmail, Slack, etc.).

compute_duration

Compute the duration between two timestamps. Returns days, hours, minutes, seconds, and a human-readable string.

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).

Temporal Cortex MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "temporal-cortex-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@temporal-cortex/cortex-mcp"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "MICROSOFT_CLIENT_ID": "YOUR_MICROSOFT_CLIENT_ID_HERE",
        "TIMEZONE": "YOUR_TIMEZONE_HERE"
      }
    }
  }
}

Caldav MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "madbonez-caldav-mcp": {
      "command": "uvx",
      "args": [
        "mcp-caldav"
      ],
      "env": {
        "CALDAV_URL": "YOUR_CALDAV_URL_HERE",
        "CALDAV_USERNAME": "YOUR_CALDAV_USERNAME_HERE",
        "CALDAV_PASSWORD": "YOUR_CALDAV_PASSWORD_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

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