KUON GEO

GNSS/RTK, weather and space-weather archive for Japan.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

  • Here: For one point in Japan: municipality and its 5-digit code, JMA warnings and advisories in force (with English names), nearest AMeDAS observation, heat (WBGT), earthquakes within 300 km, hazard z
  • Place: Static facts for a municipality of Japan by 5-digit code (JIS X 0402): names (ja/en), prefecture, population (2020 census), JMA warning area and region, centre point, and the URL of its page on
  • Rtk Bases Near: Nearest online community RTK base stations (NTRIP) to a point, worldwide, from KUON GEO's 10-minute polling. Returns mountpoint, host, distance in km and a baseline grade.

What data it sees

Do you need an account

No: the server works without sign-in

GNSS/RTK, weather and space-weather archive for Japan. Tools: here (municipality + JMA warnings for a point), place, rtk_bases_near (nearest community RTK/NTRIP base stations), kurashigram_prices, gnss_in_japan. No key, no signup. Monthly data releases with DOI 10.5281/zenodo.22064426 by Kotaro Asahina (ORCID 0009-0002-2530-4142).

How to connect

How to connect KUON GEO to Claude

The server address to paste into Claude settings:

https://kuongeo--kotaroasahina.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect KUON GEO to ChatGPT

The server address to paste into ChatGPT settings:

https://kuongeo--kotaroasahina.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect KUON GEO to Cursor

The server address to paste into Cursor settings:

https://kuongeo--kotaroasahina.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (5)

Raw names from tools/list. Only developers need these.

hereFor one point in Japan: municipality and its 5-digit code, JMA warnings and advisories in force (with English names), nearest AMeDAS observation, heat (WBGT), earthquakes within 300 km, hazard zones (flood, tsunami, storm surge, landslide), elevation, nearest free RTK base, furusato-nozei prices for the municipality and the cost of living of the matching surveyed city (rent, utilities, staples; Statistics Bureau monthly survey) from kurashigram.com. Same as GET https://kuongeo.com/api/here. Warnings are relayed from JMA, not issued here.
placeStatic facts for a municipality of Japan by 5-digit code (JIS X 0402): names (ja/en), prefecture, population (2020 census), JMA warning area and region, centre point, and the URL of its page on kuongeo.com. Use the here tool with the centre point for live values.
rtk_bases_nearNearest online community RTK base stations (NTRIP) to a point, worldwide, from KUON GEO's 10-minute polling. Returns mountpoint, host, distance in km and a baseline grade.
kurashigram_pricesFurusato-nozei return goods listed by a Japanese municipality on Rakuten, normalised to grams per 10,000 yen of donation, from kurashigram.com (CC BY 4.0). Keyed by the same 5-digit municipality code.
gnss_in_japanIndex of the English field guide for engineers using GNSS in Japan: QZSS status, CLAS, MADOCA-PPP, GEONET and community bases, coordinates and heights (JGD2011/JGD2024), bringing equipment and radio law. Returns titles, one-line summaries and URLs.