Koskamo

Astrocal MCP

An official MCP server provided by Astrocal that allows AI agents to autonomously check availability, book meetings, cancel, and reschedule appointments by wrapping the Astrocal REST API. It supports integration with Google Calendar, Microsoft 365/Outlook, and CalDAV, and can handle payments via Stripe Connect.

Visit Astrocal

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Astrocal MCP logo, by AstrocalVendor evidenceLocal stdioSource reviewed; not executedOperated by Astrocal
You need:Set up API accessCreate an organization
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Official MCP Registry namespace is tied to astrocal.dev ·
  • Popularity 1 GitHub star

What you can do with it

  • Check real-time calendar availability for specific event types
  • Book meetings autonomously via the Model Context Protocol
  • Cancel or reschedule existing appointments
  • Integrate scheduling into AI agent workflows without human intervention

Source and maintenance

Vendor evidenceRegistry 0.1.6MIT
mcp-registry: dev.astrocal/mcp-server@0.1.6Source repositoryProject website
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@astrocal/mcp-server 0.1.6

npm
@astrocal/mcp-server package definition
{
  "version": "0.1.6",
  "transport": "stdio",
  "identifier": "@astrocal/mcp-server",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "ASTROCAL_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "Your Astrocal API key (create one at https://astrocal.dev/dashboard/connect)"
    },
    {
      "name": "ASTROCAL_API_URL",
      "format": "string",
      "description": "Custom API base URL (defaults to https://api.astrocal.dev)"
    },
    {
      "name": "ASTROCAL_DEFAULT_EVENT_TYPE_ID",
      "format": "string",
      "description": "Default event type ID when not specified in tool calls"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "astrocal-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@astrocal/mcp-server@0.1.6"
      ],
      "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>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "astrocal-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@astrocal/mcp-server@0.1.6"
      ],
      "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>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "astrocal-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@astrocal/mcp-server@0.1.6"
      ],
      "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>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "astrocal-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@astrocal/mcp-server@0.1.6"
      ],
      "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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