MCP Server for BNG to Lat/Long

1 tools

A single-purpose converter from British National Grid references (easting/northing) to WGS84 latitude/longitude, the coordinate system used on Ordnance Survey maps and in most UK government location data. No key is needed.

Tools: 1
Read-only: 1
Write: 0
Destructive: 0
Verified: 1
Free tier: yes
Auth: none

Tool definitions

1 ready-to-use tool definitions in JSON. Drop the file into your agent configuration; no need to read the API documentation first.

bng2latlong.json

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All 1 tools

get_bng2latlongGET /bng2latlong/{easting}/{northing}Takes an OSGB36 easting and northing (British National Grid) and returns the geographically equivalent WGS84 latitude and longitude.easting, northingreadsverified 2026-10-10

Takes an OSGB36 easting and northing (British National Grid) and returns the geographically equivalent WGS84 latitude and longitude. #### A successful request returns the following fields: * status - this will be `ok` * easting - the easting provided in the request * northing - the northing provided in the request * latitude - the latitude of the converted coordinates * longitude - the longitude of the converted coordinates #### An unsuccessful request returns the following fields: * status - this will be `error` * error - an error message

Parameter	In	Type	Required
`easting`	path	integer	yes
`northing`	path	integer	yes

Authentication

No key and no published rate limit

Where this came from

Built from the APIs.guru OpenAPI specification, version 1.0. Rebuilt on our side on 2026-10-10.

View the source specification