Weather

Hong Kong Obervatory integrations

Connect Hong Kong Obervatory to any other app, or use it from your AI client over MCP. Hong Kong Observatory is Hong Kong's official meteorological and geophysical service, publishing its data through an open data feed. Callers can retrieve current weather readings and warnings, the local nine-day forecast, rainfall and temperature observations by district and automatic weather station, tropical cyclone and typhoon warning bulletins, earthquake information, tide and astronomy tables, and long-run climate normals and historical station records. Responses are available in English, Traditional Chinese, and Simplified Chinese as JSON. No credentials required.

No account neededhko.gov.hk
13 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with Hong Kong Obervatory?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

Set it up in your client
Claude Code

Run this in the directory you want to work in.

claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai

Start Claude Code there, approve the server, and sign in in the browser page it opens.

Claude Code guide (opens in a new tab)
Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

Setup guide (opens in a new tab)
Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

Setup guide (opens in a new tab)
Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide (opens in a new tab)
Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

Setup guide (opens in a new tab)
Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

Setup guide (opens in a new tab)

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What your agent can do with Hong Kong Obervatory

Triggers and actions 13 actions

  • Action
    Convert Gregorian date to lunar date

    Convert a Gregorian calendar date to its lunar calendar year and date.

  • Action
    Get 9-day weather forecast

    Get the 9-day weather forecast including daily temperature, humidity, wind and rain probability.

  • Action
    Get current weather report

    Get the current weather report: temperature, humidity, rainfall, UV index, lightning and warning messages.

  • Action
    Get daily maximum temperature

    Get daily maximum air temperature records for a station and period.

  • Action
    Get daily mean temperature

    Get daily mean air temperature records for a station and period.

  • Action
    Get daily minimum temperature

    Get daily minimum air temperature records for a station and period.

  • Action
    Get high and low tide times

    Get the times and heights of astronomical high and low tides for a station.

  • Action
    Get hourly heights of astronomical tides

    Get hourly predicted heights of astronomical tides for a station and date.

  • Action
    Get latest 10-minute mean visibility

    Get the latest 10-minute mean visibility reading across monitoring stations.

  • Action
    Get lightning count

    Get the cloud-to-ground and cloud-to-cloud lightning count for a date.

  • Action
    Get moonrise and moonset times

    Get times of moonrise, moon transit and moonset for a given date range.

  • Action
    Get sunrise and sunset times

    Get times of sunrise, sun transit and sunset for a given date range.

  • Action
    Get weather and radiation level report

    Get the daily weather and ambient gamma radiation level report.

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Questions

Hong Kong Obervatory, answered

Is there a Hong Kong Obervatory MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Hong Kong Obervatory. Add that address to any AI client that takes a remote MCP server and sign in once in your browser. Your client can then run Hong Kong Obervatory actions on demand, or have APIANT build, test and run automations that use Hong Kong Obervatory. Nothing to install.

What can your agent do in Hong Kong Obervatory?

Any of Hong Kong Obervatory's 13 actions, including Convert Gregorian date to lunar date, Get 9-day weather forecast, Get current weather report and Get daily maximum temperature. Your agent maps the data both ways and tests every scenario before it ships.

Can I use Hong Kong Obervatory directly from Claude, ChatGPT or Cursor?

Yes. Connect your AI client to APIANT once and it works with Hong Kong Obervatory two ways. Ask it to do something in Hong Kong Obervatory once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running on its own. A one-off action uses your plan's tasks the same way an automation step does.

Do I need to write code against the Hong Kong Obervatory API?

No. APIANT connects to the Hong Kong Obervatory API for you. Describe what you want in plain language and your agent builds it on the Hong Kong Obervatory triggers and actions in the catalog. If you need an endpoint that is not there yet, your agent reads the Hong Kong Obervatory API documentation and adds it.

Which apps can Hong Kong Obervatory connect to?

Any app in the catalog; the list on this page pairs Hong Kong Obervatory with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.