# UK Data: UK business calculators

> UK business calculators: VAT, stamp duty, late payment interest, redundancy, holiday, sick pay

- name: uk.co.reliness/uk-business-calculators
- version: 1.4.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Fuk-business-calculators
- tools: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Fuk-business-calculators/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "uk-business-calculators": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/uk-business-calculators",
      "headers": {
        "Authorization": "Bearer ${UK_BUSINESS_CALCULATORS_TOKEN}"
      }
    }
  }
}
```

Placeholders to fill: `${UK_BUSINESS_CALCULATORS_TOKEN}`.

## Trust

- hygiene: 80
- liveness: 97
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-92% +updated-3d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### 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`: 8 of 8 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,238 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

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

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 3 of the 7 days needed

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

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

- tools: 8, about 1,238 tokens to load them all
- tool set hash: 3c818d908faeda91289e20f20d0d289e
- tools last changed: 2026-11-07T15:32:38.301Z
- badge: [![protogrid quality](https://protogrid.dev/badge/uk.co.reliness/uk-business-calculators.svg)](https://protogrid.dev/servers/uk.co.reliness/uk-business-calculators)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-07 `loan_repayment` added
  - Monthly payment, total repaid and total interest on a personal, car or business loan at a given annual rate over a number of months or years. (cost: 1 credit)
- 2026-11-07 `mortgage_repayment` added
  - Monthly mortgage payment for a UK home loan, using the latest Bank of England average quoted rate for the deal type (or your own rate), plus total interest and what the payment becomes when the fixed deal ends if you do not remortgage. (cost: 1 credit)
- 2026-11-04 `statutory_sick_pay` changed (annotations)
- 2026-11-04 `holiday_entitlement` changed (annotations)
- 2026-11-04 `redundancy_pay` changed (annotations)
- 2026-11-04 `late_payment_interest` changed (annotations)
- 2026-11-04 `stamp_duty` changed (annotations)
- 2026-11-04 `vat` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/uk.co.reliness%2Fuk-business-calculators/changes

## Remotes

- https://ukdata.reliness.co.uk/mcp/uk-business-calculators (streamable-http, auth none, reachable true, uptime30d 0.9230769)

## Packages

_none_

## Tools (8)

- `holiday_entitlement`: Statutory paid holiday for a working pattern, pro rata by months. (cost: 1 credit)
- `late_payment_interest`: Statutory interest and fixed compensation on a late commercial invoice (base rate plus 8%). (cost: 1 credit)
- `loan_repayment`: Monthly payment, total repaid and total interest on a personal, car or business loan at a given annual rate over a number of months or years. (cost: 1 credit)
- `mortgage_repayment`: Monthly mortgage payment for a UK home loan, using the latest Bank of England average quoted rate for the deal type (or your own rate), plus total interest and what the payment becomes when the fixed deal ends if you do not remortgage. (cost: 1 credit)
- `redundancy_pay`: Statutory redundancy pay from age, years of service and weekly pay. (cost: 1 credit)
- `stamp_duty`: SDLT on a property purchase in England or Northern Ireland: standard, first-time buyer, additional property, or non-residential. (cost: 1 credit)
- `statutory_sick_pay`: Statutory sick pay total for a number of weeks off. (cost: 1 credit)
- `vat`: Add or extract UK VAT at standard (20%), reduced (5%), zero or a custom rate. (cost: 1 credit)