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@zealgeo/MCP Geo Server

@MCP-Mirror

Repository

Basic information

Category

Other

License

MIT license

Transports

stdio

Author

MCP-Mirror

About @zealgeo/MCP Geo Server

Mirror of

#geo-mcp#geospatial#coordinate-conversion

@zealgeo/MCP Geo Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "geo-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@zealgeo/mcp-geo-server"
      ]
    }
  }
}

@zealgeo/MCP Geo Server tools

3

在不同坐标系统之间转换坐标。支持BD09（百度）、GCJ02（火星）、WGS84（GPS）和Web Mercator投影坐标系统之间的互相转换。

计算折线的距离。支持多种坐标系统输入，内部会先转换为WGS84坐标，再通过Web Mercator投影进行平面距离计算。适用于中小尺度的距离计算。

计算多边形面积。支持多种坐标系统输入，内部会先转换为WGS84坐标，再通过Web Mercator投影进行平面面积计算。多边形无需手动闭合。适用于中小尺度的面积计算。

Overview

What is @zealgeo/mcp-geo-server?

@zealgeo/mcp-geo-server is an MCP-based geographic processing tool server that provides coordinate system conversion (BD09, GCJ02, WGS84, Web Mercator), polyline distance calculation, and polygon area calculation. It is intended for developers working with Chinese map coordinate systems and spatial analysis.

How to use @zealgeo/mcp-geo-server?

Install and configure via npx using stdio transport, as shown in the README's JSON configuration. Then invoke MCP tools: mcp_geo_convert for coordinate conversion, mcp_geo_calculate_distance for polyline distance, and mcp_geo_calculate_area for polygon area, each with specified parameters.

Key features of @zealgeo/mcp-geo-server

  • Convert between BD09, GCJ02, WGS84, and Web Mercator coordinate systems.
  • Calculate polyline distance in meters or kilometers.
  • Calculate polygon area in square meters, square kilometers, or hectares.
  • Accept input coordinates in WGS84, GCJ02, or BD09 for distance/area.
  • All calculations use Web Mercator projection for planar computation.

Use cases of @zealgeo/mcp-geo-server

  • Converting GPS coordinates (WGS84) to Chinese map coordinates (GCJ02 or BD09).
  • Measuring the length of a route described by a sequence of coordinates.
  • Estimating the area of a plot or region defined by polygon vertices.
  • Switching between geographical coordinates and Web Mercator projected coordinates.

Frequently asked questions

1

What coordinate systems are supported?

BD09 (Baidu), GCJ02 (Mars), WGS84 (GPS), and Web Mercator. All conversions between these systems are available.

2

How are distance and area calculations performed?

They use planar calculation on the Web Mercator projection, suitable for small-to-medium-scale analysis. For very long distances or large areas, spherical methods are recommended.

3

What happens with coordinates outside mainland China?

For coordinates outside mainland China, conversion between WGS84 and GCJ02 returns the original coordinates unchanged.

4

Do I need to close a polygon for area calculation?

No, the polygon does not need to be manually closed; the server handles it automatically.

5

What transport does the server use?

The server uses stdio transport, configured via `"type": "stdio"` with `npx` as the command.

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