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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" } } }

Related MCP server: astronomy-mcp-server

Tools (all read-only)

Tool

What it does

get_moon

The 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_events

Upcoming full, new and quarter Moons in UK time, with full Moon names, supermoons, blue, black and micro Moons

get_moon_calendar

One month day by day with its phase and the exact UK times of its main phases

list_eclipses

Upcoming solar and lunar eclipses with what the UK sees and local times at a UK place

plan_dark_skies

Dark-sky nights in a month at one of 24 UK places, or Moon photography windows

get_tides

Spring and neap tide dates from the Moon's phases

get_moon_sign

The Moon's zodiac sign now or at a birth date and time, tropical or sidereal

check_crescent_visibility

The 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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