# UK Data: Reference

> Wikipedia summaries, books by ISBN, products by barcode, IP ownership, unit conversion

- name: uk.co.reliness/reference
- version: 1.4.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 88/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Freference
- tools: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Freference/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "reference": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/reference",
      "headers": {
        "Authorization": "Bearer ${REFERENCE_TOKEN}"
      }
    }
  }
}
```

Placeholders to fill: `${REFERENCE_TOKEN}`.

## Trust

- hygiene: 80
- liveness: 98
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-95% +updated-10d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 88/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 6 of 6 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 677 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 83 (weight 15)

- warn `stability.changes`: 6 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 6, about 677 tokens to load them all
- tool set hash: 02f480b4e406b4a9613fc621ce46bf41
- tools last changed: 2026-11-04T16:37:07.664Z
- badge: [![protogrid quality](https://protogrid.dev/badge/uk.co.reliness/reference.svg)](https://protogrid.dev/servers/uk.co.reliness/reference)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-04 `format_money` changed (annotations)
- 2026-11-04 `convert_units` changed (annotations)
- 2026-11-04 `ip_lookup` changed (annotations)
- 2026-11-04 `product_barcode` changed (annotations)
- 2026-11-04 `book_lookup` changed (annotations)
- 2026-11-04 `wikipedia_summary` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Freference/changes

## Remotes

- https://ukdata.reliness.co.uk/mcp/reference (streamable-http, auth none, reachable true, uptime30d 0.94736844)

## Packages

_none_

## Tools (6)

- `book_lookup`: Book details by ISBN, or search books by title or author. (cost: 1 credit)
- `convert_units`: Convert length, mass, volume (UK and US), area, speed, energy, data, pressure and temperature. (cost: 1 credit)
- `format_money`: Format an amount in any currency and locale, compact form, and optionally in words (for cheques and contracts). (cost: 1 credit)
- `ip_lookup`: Who owns an IP address: network name, range, country, organisations (RDAP). (cost: 1 credit)
- `product_barcode`: Food product by barcode: name, brand, ingredients, allergens, Nutri-Score, nutrition per 100g. (cost: 1 credit)
- `wikipedia_summary`: Lead summary, description, coordinates and Wikidata id for a Wikipedia article. (cost: 1 credit)