geomelon-mcp
This server provides an MCP interface to the Geomelon geographic API, enabling AI clients to query detailed data about cities, countries, regions, and languages worldwide.
Cities
Search by name, country code, region, population range, and sort order
Get full details, translations, and settlement-type classifications by UUID
Find cities nearest to coordinates (by distance or population)
Calculate distance in km between two cities
Countries
List countries, filtered by name prefix or telephone dialing code
Get full details, translations, and administrative regions by UUID
Regions
List regions (optionally filtered by country) and get full details/translations by UUID
Languages
List all available languages and get details by UUID
Compound Tools (multi-step queries in one call)
Find cities near a city — resolves coordinates and returns nearby cities by distance or population
City context — fetch a city with its full country and region details
Country overview — fetch a country (by UUID or name), its regions, and top cities by population
Compare cities — full details for two cities plus the distance between them
Search cities in country — search cities using a country name instead of an ISO code
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@geomelon-mcpsearch for cities named London"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
geomelon-mcp
MCP server for the Geomelon geographic API. Exposes cities, countries, regions, and languages as tools any MCP-compatible AI client can call.
Looking for other ways to integrate? See all official libraries at geomelon.dev/libraries.
Two transports are included:
Binary | Transport | Use case |
| stdio | Claude Desktop, Cursor, Cline, Continue |
| HTTP (Streamable) | Claude Code, remote / hosted server |
Requirements
Node.js 18+
A RapidAPI key with the Geomelon API subscribed
Claude Code (HTTP)
Create a .env file in the directory you'll run the server from:
cp .env.example .env
# then edit .env and set GEOMELON_API_KEYStart the server (dotenv loads .env automatically):
npx geomelon-mcp-httpRegister it with Claude Code:
claude mcp add --transport http geomelon http://localhost:3000/mcpVerify it's connected:
claude mcp listThe server must be running whenever you use Claude Code. To use a different port set PORT=your_port and update the URL in the claude mcp add command accordingly.
Claude Desktop (stdio)
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"geomelon": {
"command": "npx",
"args": ["-y", "geomelon-mcp"],
"env": {
"GEOMELON_API_KEY": "your_rapidapi_key_here"
}
}
}
}Restart Claude Desktop after saving.
Cursor / Windsurf / Cline (stdio)
Add to your editor's MCP config:
{
"geomelon": {
"command": "npx",
"args": ["-y", "geomelon-mcp"],
"env": {
"GEOMELON_API_KEY": "your_rapidapi_key_here"
}
}
}Remote / hosted HTTP server
Create a .env file on your server:
cp .env.example .env
# set GEOMELON_API_KEY and PORT in .envStart the server:
npx geomelon-mcp-httpThen register with any MCP client using http://your-host:3000/mcp as the URL.
The HTTP transport is stateless — each request is independent, no session management needed.
Available tools
Cities
Tool | Description |
| Search by name, country code, region, population range, sort order |
| Full details for a city by UUID |
| All name translations for a city by UUID |
| Settlement-type classifications for a city by UUID |
| Cities nearest to a lat/lon, ordered by distance |
| Largest cities near a lat/lon, ordered by population |
| Distance in km between two cities |
Countries
Tool | Description |
| List countries, filter by name prefix or telephone dialing code |
| Full details for a country by UUID (includes translations and regions) |
| Name translations for a country by UUID |
| All administrative regions for a country by UUID |
Regions
Tool | Description |
| List regions, filter by country UUID |
| Full details for a region by UUID |
| Name translations for a region by UUID |
Languages
Tool | Description |
| List all languages in the database |
| Details for a language by UUID |
Oneshot prefix search (free, no API key)
Fast country-scoped city prefix search served as static files. No RapidAPI subscription needed. See geomelon.dev/free-city-autocomplete-api for the HTTP endpoint, supported country/language pairs, and response shape. This MCP server does not wrap the oneshot endpoint — call it directly.
Compound tools
These tools chain multiple API calls internally to save round-trips.
Tool | Description |
| Given a city UUID, find nearby cities ordered by distance or population |
| Fetch a city together with its full country and region details in one call |
| Fetch a country (by UUID or name), its regions, and top cities by population |
| Fetch two cities and the distance between them in one call |
| Search cities using a country name instead of an ISO code |
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