Open Index
UK public data by area: house prices, crime, deprivation, schools and more, each figure cited.
Should I use this
Quality & Safety
Findings (2)
- LOWTool 'lookup_postcode' description lacks action verbin lookup_postcode
- LOWTool 'fetch' suggests web access but openWorldHint=falsein fetch
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"open-index": {
"url": "https://openindex.co.uk/mcp"
}
}
}Remote endpoints
https://openindex.co.uk/mcpstreamable-httpWhat it can do
Tool inventory
Tools (7)
🟢search_places(query, limit)
Find UK places (nations, regions, councils, constituencies, towns, wards, neighbourhoods) and postcodes by name, with each one's official code, level and page URL. Also lists matching data layers.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "A place name, postcode or district, such as Dalston, Leeds or E8.",
"maxLength": 100
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 20,
"default": 8
}
},
"required": [
"query"
],
"additionalProperties": false
}🟢get_place(place, topic)
Published figures for one UK area: key figures by default, or every figure in one topic. Each figure has its period, publication date, rank, comparisons, source and a link to the figure on its page.
Input Schema
{
"type": "object",
"properties": {
"place": {
"type": "string",
"description": "An official area code (E09000012), a page slug (hackney) or path, or an exact place name."
},
"topic": {
"type": "string",
"enum": [
"housing",
"crime",
"people",
"deprivation",
"health",
"education",
"environment",
"transport",
"connectivity",
"planning",
"economy",
"council-tax",
"elections",
"services"
],
"description": "Every figure in this topic, with gaps and their reasons."
}
},
"required": [
"place"
],
"additionalProperties": false
}🟢get_ranking(layer, scope, order, limit, place)
Councils ranked on one measure across the UK, a nation or an English region, for the latest period. Measures each nation makes its own way (such as deprivation) are ranked within one nation only.
Input Schema
{
"type": "object",
"properties": {
"layer": {
"type": "string",
"description": "A layer id or slug, such as house-price-average or house-prices."
},
"scope": {
"type": "string",
"description": "uk, a nation (england, wales, scotland, northern-ireland) or an English region (london, north-west...). Default uk."
},
"order": {
"type": "string",
"enum": [
"highest",
"lowest"
],
"default": "highest"
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 50,
"default": 10
},
"place": {
"type": "string",
"description": "Optional: also say where this council sits."
}
},
"required": [
"layer"
],
"additionalProperties": false
}🟢compare_places(a, b, layers)
Two UK areas of the same level side by side on the same published figures, each with its own period and source. Key figures by default.
Input Schema
{
"type": "object",
"properties": {
"a": {
"type": "string",
"description": "An official area code (E09000012), a page slug (hackney) or path, or an exact place name."
},
"b": {
"type": "string",
"description": "An official area code (E09000012), a page slug (hackney) or path, or an exact place name."
},
"layers": {
"type": "array",
"items": {
"type": "string"
},
"maxItems": 8,
"description": "Optional layer ids to compare."
}
},
"required": [
"a",
"b"
],
"additionalProperties": false
}🟢lookup_postcode(postcode)
The areas a Great Britain postcode sits in (council, constituency, ward, neighbourhood and more) with their codes and pages. A district (E8) or sector (E8 1) gives its councils. Northern Ireland postcodes are not available.
Input Schema
{
"type": "object",
"properties": {
"postcode": {
"type": "string",
"description": "A full postcode (E8 1AA), sector (E8 1) or district (E8).",
"maxLength": 12
}
},
"required": [
"postcode"
],
"additionalProperties": false
}🟢search(query)
Find UK area overview documents by place name for research, with canonical page paths, titles and citation URLs. Great Britain postcodes identify their published area. No Northern Ireland postcodes.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"maxLength": 100
}
},
"required": [
"query"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"results": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"id",
"title",
"url"
],
"additionalProperties": false
}
}
},
"required": [
"results"
],
"additionalProperties": false
}🟢fetch(id)
Read one UK area's overview figures by its canonical page path. Includes periods, sources, licences, gaps and citation links at the published level of detail.
Input Schema
{
"type": "object",
"properties": {
"id": {
"type": "string"
}
},
"required": [
"id"
],
"additionalProperties": false
}Output Schema
{
"type": "object",
"properties": {
"id": {
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
},
"text": {
"type": "string"
}
},
"required": [
"id",
"title",
"text",
"url"
],
"additionalProperties": false
}Community
Evidence