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Temporal Cortex Calendar MCP for Grok

io.github.billylui/temporal-cortex-mcp

12 deterministic calendar tools — temporal context, scheduling, availability, and booking

client:Grok transport:stdio runtime:npm

Install Temporal Cortex Calendar MCP in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "temporal-cortex-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@temporal-cortex/cortex-mcp"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "<GOOGLE_CLIENT_ID>",
        "GOOGLE_CLIENT_SECRET": "<GOOGLE_CLIENT_SECRET>",
        "GOOGLE_OAUTH_CREDENTIALS": "<GOOGLE_OAUTH_CREDENTIALS>",
        "MICROSOFT_CLIENT_ID": "<MICROSOFT_CLIENT_ID>",
        "MICROSOFT_CLIENT_SECRET": "<MICROSOFT_CLIENT_SECRET>",
        "TIMEZONE": "<TIMEZONE>",
        "WEEK_START": "<WEEK_START>",
        "TENANT_ID": "<TENANT_ID>",
        "LOCK_TTL_SECS": "<LOCK_TTL_SECS>",
        "OAUTH_REDIRECT_PORT": "<OAUTH_REDIRECT_PORT>",
        "HTTP_PORT": "<HTTP_PORT>",
        "HTTP_HOST": "<HTTP_HOST>",
        "ALLOWED_ORIGINS": "<ALLOWED_ORIGINS>",
        "TEMPORAL_CORTEX_TELEMETRY": "<TEMPORAL_CORTEX_TELEMETRY>",
        "REDIS_URLS": "<REDIS_URLS>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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Temporal Cortex Calendar MCP MCP server