Astrocal MCP Server

dev.astrocal/mcp-server

Repository Registry

What is the Astrocal MCP server?

AI-native scheduling: check availability, book meetings, cancel and reschedule via MCP

How to install Astrocal

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

ASTROCAL_API_KEY
required
secret
Your Astrocal API key (create one at https://astrocal.dev/dashboard/connect)
ASTROCAL_API_URL
Custom API base URL (defaults to https://api.astrocal.dev)
ASTROCAL_DEFAULT_EVENT_TYPE_ID
Default event type ID when not specified in tool calls

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@astrocal/mcp-server"
      ],
      "env": {
        "ASTROCAL_API_KEY": "<YOUR_ASTROCAL_API_KEY>",
        "ASTROCAL_API_URL": "<YOUR_ASTROCAL_API_URL>",
        "ASTROCAL_DEFAULT_EVENT_TYPE_ID": "<YOUR_ASTROCAL_DEFAULT_EVENT_TYPE_ID>"
      }
    }
  }
}

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