SERVER

Astrocal

Rank #48,948

dev.astrocal/mcp-server

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

3 versions

1 GitHub stars

by astrocal-dev (1 servers)View repository ↗Claim this server

First listed

Jun 2, 2026

Last publish date

Jun 24, 2026

OVERVIEW

Astrocal is a Model Context Protocol (MCP) server published by astrocal-dev. It ranks #48,948 of 137,138 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Astrocal is listed across 3 registries — Official MCP, PulseMCP and Glama, with 3 tracked versions. It was first listed on Jun 2, 2026 and most recently updated on Jun 24, 2026.

STANDING

#48,948of 137,138 tracked serversTop 50%

Ranks ahead of 88,190 of 137,138 servers on MCP Toplist.

CONNECT

Use Astrocal

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Remote · HTTP

claude mcp add --transport http astrocal https://api.astrocal.dev/mcp

npm package

claude mcp add astrocal -e "ASTROCAL_API_KEY=<your ASTROCAL_API_KEY>" -e "ASTROCAL_API_URL=<your ASTROCAL_API_URL>" -e "ASTROCAL_DEFAULT_EVENT_TYPE_ID=<your ASTROCAL_DEFAULT_EVENT_TYPE_ID>" -- npx -y @astrocal/mcp-server

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.astrocal]
url = "https://api.astrocal.dev/mcp"

Add to ~/.codex/config.toml.

npm package

[mcp_servers.astrocal]
command = "npx"
args = ["-y", "@astrocal/mcp-server"]

[mcp_servers.astrocal.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>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://api.astrocal.dev/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

npm package

{
  "mcpServers": {
    "astrocal": {
      "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>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "astrocal": {
      "url": "https://api.astrocal.dev/mcp"
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

npm package

{
  "mcpServers": {
    "astrocal": {
      "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>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "servers": {
    "astrocal": {
      "type": "http",
      "url": "https://api.astrocal.dev/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace.

npm package

{
  "servers": {
    "astrocal": {
      "type": "stdio",
      "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>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "astrocal": {
      "serverUrl": "https://api.astrocal.dev/mcp"
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

npm package

{
  "mcpServers": {
    "astrocal": {
      "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>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "astrocal": {
      "url": "https://api.astrocal.dev/mcp"
    }
  }
}

npm package

{
  "mcpServers": {
    "astrocal": {
      "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>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/dev.astrocal%2Fmcp-server.svg)](https://mcptoplist.com/server/dev.astrocal%2Fmcp-server)

HTML

<a href="https://mcptoplist.com/server/dev.astrocal%2Fmcp-server"><img src="https://mcptoplist.com/badge/dev.astrocal%2Fmcp-server.svg" alt="MCP Toplist: Top 50% of 137,138" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 3 registries

PulseMCP

Official MCP

Glama

ORGANIZATION

astrocal-dev

Organization

astrocal-dev

Servers in org

Versions across org

VERSIONS

Available versions (3)

Version	Published
0.1.6	Jun 24, 2026
0.1.4	Jun 2, 2026
0.1.3	Jun 2, 2026

FAQ

Frequently asked questions

Who maintains Astrocal?: Astrocal is maintained by astrocal-dev, which publishes 1 MCP server (3 total versions) tracked on MCP Toplist.
Is Astrocal listed on the Official MCP Registry?: Yes — Astrocal is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does Astrocal have?: MCP Toplist tracks 3 versions of Astrocal, most recently published on Jun 24, 2026.
Where can I find the source code for Astrocal?: The source code for Astrocal is hosted at github.com/astrocal-dev/mcp-server.

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