Who maintains astronomy-mcp-server?

astronomy-mcp-server is maintained by cyanheads, which publishes 131 MCP servers (2112 total versions) tracked on MCP Toplist.

Is astronomy-mcp-server listed on the Official MCP Registry?

Yes — astronomy-mcp-server is listed on the Official MCP Registry, alongside PulseMCP, Smithery and Glama.

How many versions does astronomy-mcp-server have?

MCP Toplist tracks 12 versions of astronomy-mcp-server, most recently published on Aug 25, 2026.

Where can I find the source code for astronomy-mcp-server?

The source code for astronomy-mcp-server is hosted at github.com/cyanheads/astronomy-mcp-server.

SERVER

astronomy-mcp-server

Rank #5,032

io.github.cyanheads/astronomy-mcp-server

Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.

12 versions

2 GitHub stars

by cyanheads (131 servers)View repository ↗Claim this server

First listed

Jun 26, 2026

Last publish date

Aug 25, 2026

OVERVIEW

astronomy-mcp-server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #5,032 of 121,933 servers tracked on MCP Toplist, and its repository has 2 GitHub stars. astronomy-mcp-server is listed across 4 registries — Official MCP, PulseMCP, Smithery and Glama, with 12 tracked versions. It was first listed on Jun 26, 2026 and most recently updated on Aug 25, 2026.

STANDING

#5,032of 121,933 tracked serversTop 5%

Ranks ahead of 116,901 of 121,933 servers on MCP Toplist.

CONNECT

Use astronomy-mcp-server

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 astronomy-mcp-server https://astronomy.caseyjhand.com/mcp

npm package

claude mcp add astronomy-mcp-server -e "MCP_LOG_LEVEL=<your MCP_LOG_LEVEL>" -e "ASTRONOMY_ENABLE_HORIZONS=<your ASTRONOMY_ENABLE_HORIZONS>" -e "ASTRONOMY_ENABLE_SATELLITES=<your ASTRONOMY_ENABLE_SATELLITES>" -e "ASTRONOMY_DEFAULT_TIMEZONE=<your ASTRONOMY_DEFAULT_TIMEZONE>" -- npx -y @cyanheads/astronomy-mcp-server run start:stdio

Replace each placeholder with your own value before saving.

npm package

claude mcp add astronomy-mcp-server -e "MCP_HTTP_HOST=<your MCP_HTTP_HOST>" -e "MCP_HTTP_PORT=<your MCP_HTTP_PORT>" -e "MCP_HTTP_ENDPOINT_PATH=<your MCP_HTTP_ENDPOINT_PATH>" -e "MCP_AUTH_MODE=<your MCP_AUTH_MODE>" -e "MCP_LOG_LEVEL=<your MCP_LOG_LEVEL>" -e "ASTRONOMY_ENABLE_HORIZONS=<your ASTRONOMY_ENABLE_HORIZONS>" -e "ASTRONOMY_ENABLE_SATELLITES=<your ASTRONOMY_ENABLE_SATELLITES>" -e "ASTRONOMY_DEFAULT_TIMEZONE=<your ASTRONOMY_DEFAULT_TIMEZONE>" -- npx -y @cyanheads/astronomy-mcp-server run start:http

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.astronomy-mcp-server]
url = "https://astronomy.caseyjhand.com/mcp"

Add to ~/.codex/config.toml.

npm package

[mcp_servers.astronomy-mcp-server]
command = "npx"
args = ["-y", "@cyanheads/astronomy-mcp-server", "run", "start:stdio"]

[mcp_servers.astronomy-mcp-server.env]
MCP_LOG_LEVEL = "<your MCP_LOG_LEVEL>"
ASTRONOMY_ENABLE_HORIZONS = "<your ASTRONOMY_ENABLE_HORIZONS>"
ASTRONOMY_ENABLE_SATELLITES = "<your ASTRONOMY_ENABLE_SATELLITES>"
ASTRONOMY_DEFAULT_TIMEZONE = "<your ASTRONOMY_DEFAULT_TIMEZONE>"

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

npm package

[mcp_servers.astronomy-mcp-server]
command = "npx"
args = ["-y", "@cyanheads/astronomy-mcp-server", "run", "start:http"]

[mcp_servers.astronomy-mcp-server.env]
MCP_HTTP_HOST = "<your MCP_HTTP_HOST>"
MCP_HTTP_PORT = "<your MCP_HTTP_PORT>"
MCP_HTTP_ENDPOINT_PATH = "<your MCP_HTTP_ENDPOINT_PATH>"
MCP_AUTH_MODE = "<your MCP_AUTH_MODE>"
MCP_LOG_LEVEL = "<your MCP_LOG_LEVEL>"
ASTRONOMY_ENABLE_HORIZONS = "<your ASTRONOMY_ENABLE_HORIZONS>"
ASTRONOMY_ENABLE_SATELLITES = "<your ASTRONOMY_ENABLE_SATELLITES>"
ASTRONOMY_DEFAULT_TIMEZONE = "<your ASTRONOMY_DEFAULT_TIMEZONE>"

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

Remote · HTTP

https://astronomy.caseyjhand.com/mcp

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:http"
      ],
      "env": {
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

Remote · HTTP

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "url": "https://astronomy.caseyjhand.com/mcp"
    }
  }
}

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:http"
      ],
      "env": {
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

Remote · HTTP

{
  "servers": {
    "astronomy-mcp-server": {
      "type": "http",
      "url": "https://astronomy.caseyjhand.com/mcp"
    }
  }
}

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

npm package

{
  "servers": {
    "astronomy-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

npm package

{
  "servers": {
    "astronomy-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:http"
      ],
      "env": {
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

Remote · HTTP

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "serverUrl": "https://astronomy.caseyjhand.com/mcp"
    }
  }
}

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:http"
      ],
      "env": {
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

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

Remote · HTTP

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "url": "https://astronomy.caseyjhand.com/mcp"
    }
  }
}

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "astronomy-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/astronomy-mcp-server",
        "run",
        "start:http"
      ],
      "env": {
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>",
        "ASTRONOMY_ENABLE_HORIZONS": "<your ASTRONOMY_ENABLE_HORIZONS>",
        "ASTRONOMY_ENABLE_SATELLITES": "<your ASTRONOMY_ENABLE_SATELLITES>",
        "ASTRONOMY_DEFAULT_TIMEZONE": "<your ASTRONOMY_DEFAULT_TIMEZONE>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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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/io.github.cyanheads%2Fastronomy-mcp-server.svg)](https://mcptoplist.com/server/io.github.cyanheads%2Fastronomy-mcp-server)

HTML

<a href="https://mcptoplist.com/server/io.github.cyanheads%2Fastronomy-mcp-server"><img src="https://mcptoplist.com/badge/io.github.cyanheads%2Fastronomy-mcp-server.svg" alt="MCP Toplist: Top 5% of 121,933" /></a>

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

REGISTRIES

Listed on 4 registries

ORGANIZATION

cyanheads

Organization

cyanheads

Servers in org

131

Versions across org

2112

Other servers by cyanheads

View all cyanheads servers →

VERSIONS

Available versions (12)

Version	Published
0.2.9	Aug 25, 2026
0.2.8	Aug 18, 2026
0.2.7	Aug 18, 2026
0.2.6	Aug 18, 2026
0.2.5	Aug 18, 2026
0.2.4	Aug 18, 2026
0.2.3	Jul 31, 2026
0.2.2	Jul 31, 2026
0.2.1	Jul 30, 2026
0.2.0	Jul 30, 2026
0.1.3	Jun 28, 2026
0.1.2	Jun 28, 2026

FAQ

Frequently asked questions

Who maintains astronomy-mcp-server?: astronomy-mcp-server is maintained by cyanheads, which publishes 131 MCP servers (2112 total versions) tracked on MCP Toplist.
Is astronomy-mcp-server listed on the Official MCP Registry?: Yes — astronomy-mcp-server is listed on the Official MCP Registry, alongside PulseMCP, Smithery and Glama.
How many versions does astronomy-mcp-server have?: MCP Toplist tracks 12 versions of astronomy-mcp-server, most recently published on Aug 25, 2026.
Where can I find the source code for astronomy-mcp-server?: The source code for astronomy-mcp-server is hosted at github.com/cyanheads/astronomy-mcp-server.

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