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Mooncalendar MCP Server

Developer ToolsLow Risk10.0MCP RegistryRemote
Free

Server data from the Official MCP Registry

Moon phases, full and new Moon dates, UK moonrise, eclipses, dark skies, tides and Moon sign.

About

Moon phases, full and new Moon dates, UK moonrise, eclipses, dark skies, tides and Moon sign.

Remote endpoints: streamable-http: https://mooncalendar.co.uk/api/mcp

Security Report

10.0
Low Risk10.0Low Risk

Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.

8 tools verified · Open access · No issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "uk-co-mooncalendar-mooncalendar-co-uk": {
      "url": "https://mooncalendar.co.uk/api/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Moon Calendar MCP app

Moon Calendar gives the Moon in UK time (GMT or BST), right in the chat: today's phase and moonrise at UK places, full and new Moon dates, a month calendar, eclipses seen from the UK, dark-sky nights, spring and neap tide dates, the Moon's sign and new crescent sightings. It works in ChatGPT, Claude and any client that supports remote MCP servers.

Connect

The server is hosted by Moon Calendar. No sign-in or API key is needed.

{ "mcpServers": { "mooncalendar": { "url": "https://mooncalendar.co.uk/api/mcp" } } }

Tools (all read-only)

ToolWhat it does
get_moonThe Moon now or on a UK date and time: phase, percent lit, age, distance, next full and new Moon, and moonrise, highest point and moonset at a UK place
find_moon_eventsUpcoming full, new and quarter Moons in UK time, with full Moon names, supermoons, blue, black and micro Moons
get_moon_calendarOne month day by day with its phase and the exact UK times of its main phases
list_eclipsesUpcoming solar and lunar eclipses with what the UK sees and local times at a UK place
plan_dark_skiesDark-sky nights in a month at one of 24 UK places, or Moon photography windows
get_tidesSpring and neap tide dates from the Moon's phases
get_moon_signThe Moon's zodiac sign now or at a birth date and time, tropical or sidereal
check_crescent_visibilityThe new crescent outlook for UK places on the first evenings after a new Moon

Try asking

  • "When is the next full Moon in the UK, and is it a supermoon?"
  • "What time does the Moon rise in Edinburgh tonight?"
  • "Which nights next month are darkest for stargazing in Manchester?"

Report an issue

Open an issue in this repository or use the contact details on the website's About page.

This repository

It holds only the registry descriptor (server.json), icons and this README, under the MIT licence. The website, its data and the Moon Calendar brand are not relicensed by it.

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