bots.st/boundr
Boundr
UK boundaries search and GeoJSON retrieval
2114 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 7
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://mcp.boundr.dev/mcp
What it can do
| Tool | What it says it does |
|---|---|
find_boundaries_at_point | Find all UK administrative boundaries that geographically contain a coordinate point. Use this to answer "what county/borough/ward is this location in?" for a latitude/longitude. Returns lightweight metadata only — no geometry. If you need to display a boundary shape, call… |
get_boundary_bbox | Get the bounding box and centroid for a boundary by its ONS census code. Returns min_lat, max_lat, min_lng, max_lng, centroid_lat, centroid_lng. Pass the bbox values directly to Knotsure's sightings_in_bbox() or geographic_summary(). Much cheaper than get_boundary_geojson_by_code() for spatial… |
get_boundary_by_code | Look up metadata for a single UK boundary by its ONS census code. No geometry. Use this when you already have a census code (e.g. from search_boundaries_by_name() or find_boundaries_at_point()) and need structured metadata such as area size or type label. If you also need the boundary shape for… |
get_boundary_geojson_by_code | Fetch the full GeoJSON geometry for a UK boundary by its ONS census code. Returns a GeoJSON Feature object (WGS-84 / EPSG:4326) suitable for rendering on a map or performing geometric analysis. The geometry can be large — county and ceremonial county polygons are especially heavy. Only call this… |
get_boundary_geojson_simplified | Fetch simplified GeoJSON for a boundary by its ONS census code. Safe to embed directly in generated HTML map files. At the default tolerance (0.0001°) a constituency polygon shrinks from ~4,000 vertices to ~200–400 with no visible difference at normal map zoom levels. Prefer this over… |
list_boundary_type_codes | Returns every valid UK boundary type code mapped to its human-readable label. Call this before using any tool that accepts a `boundary_type` or `boundary_types` argument so you know which codes are legal. Passing an unlisted code to another tool raises a ValueError. Boundary type codes are… |
search_boundaries_by_name | Search for UK administrative boundaries by name (case-insensitive partial match). Use this to discover boundaries when you have a place name but not a code. Returns lightweight metadata only — no geometry. If you need to display or analyse the boundary shape, call get_boundary_geojson_by_code()… |
In its maker's words
UK administrative boundary data from OS Boundary Line: name search, point lookup, GeoJSON geometries
- Website
- boundr.dev
- Source
- github.com/danielinniss/boundr
- Publisher
- danielinniss
- Listed from
- the official MCP Registry as
io.github.danielinniss/boundr - Version
- 1.1.0, updated 19 Jul 2026
- Kinds of work
- Data and databases, Law, tax and government, Domains and websites
The domain it lives on
- boundr.dev
- registered 20 Jul 2025 (1 year ago), at CloudFlare, Inc., its home page is a working site
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2114 ms | |
| Answered | 2769 ms | |
| Answered | 1633 ms |
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