UK Data: UK business calculators

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uk.co.reliness/uk-business-calculatorsv1.4.0 Domain verified

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

Finance & Payments

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-04T10:42:49.749237Z",
      "publishedAt": "2026-11-04T10:42:49.749237Z",
      "statusChangedAt": "2026-11-04T10:42:49.749237Z"
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  "server": {
    "name": "uk.co.reliness/uk-business-calculators",
    "title": "UK Data: UK business calculators",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://ukdata.reliness.co.uk/mcp/uk-business-calculators",
        "type": "streamable-http",
        "headers": [
          {
            "name": "Authorization",
            "isSecret": true,
            "description": "Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys"
          }
        ]
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    ],
    "version": "1.4.0",
    "websiteUrl": "https://ukdata.reliness.co.uk",
    "description": "UK business calculators: VAT, stamp duty, late payment interest, redundancy, holiday, sick pay"
  }
}

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https://ukdata.reliness.co.uk/mcp/uk-business-calculators

Authorization (optional)

Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

holiday_entitlement

Statutory paid holiday for a working pattern, pro rata by months. (cost: 1 credit)

daysPerWeeknumber

number

hoursPerWeeknumber

number

monthsWorkednumber

number 0-12

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

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Call this server's tools from your browser. Nothing to install.

https://ukdata.reliness.co.uk/mcp/uk-business-calculators

Authorization (optional)

Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

holiday_entitlement

Statutory paid holiday for a working pattern, pro rata by months. (cost: 1 credit)

daysPerWeeknumber

number

hoursPerWeeknumber

number

monthsWorkednumber

number 0-12

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (6)

holiday_entitlement

Statutory paid holiday for a working pattern, pro rata by months. (cost: 1 credit)

Argument	Type	Description
daysPerWeek	number \| string	number
hoursPerWeek	number \| string	number
monthsWorked	number \| string	number 0-12

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "daysPerWeek": {
      "type": [
        "number",
        "string"
      ],
      "description": "number"
    },
    "hoursPerWeek": {
      "type": [
        "number",
        "string"
      ],
      "description": "number"
    },
    "monthsWorked": {
      "type": [
        "number",
        "string"
      ],
      "description": "number 0-12"
    }
  }
}

late_payment_interest

Statutory interest and fixed compensation on a late commercial invoice (base rate plus 8%). (cost: 1 credit)

Argument	Type	Description
dueDate	string	YYYY-MM-DD, required
paidDate	string	YYYY-MM-DD
invoiceAmount	number \| string	number, required
baseRateOverride	number \| string	number

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "dueDate": {
      "type": "string",
      "description": "YYYY-MM-DD, required"
    },
    "paidDate": {
      "type": "string",
      "description": "YYYY-MM-DD"
    },
    "invoiceAmount": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "baseRateOverride": {
      "type": [
        "number",
        "string"
      ],
      "description": "number"
    }
  }
}

redundancy_pay

Statutory redundancy pay from age, years of service and weekly pay. (cost: 1 credit)

Argument	Type	Description
age	number \| string	number, required
weeklyPay	number \| string	number, required
yearsService	number \| string	number, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "age": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "weeklyPay": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "yearsService": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    }
  }
}

stamp_duty

SDLT on a property purchase in England or Northern Ireland: standard, first-time buyer, additional property, or non-residential. (cost: 1 credit)

Argument	Type	Description
price	number \| string	number, required
buyerType	string	standard\|first_time\|additional
residential	boolean \| string	boolean, default true

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "price": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "buyerType": {
      "type": "string",
      "description": "standard|first_time|additional"
    },
    "residential": {
      "type": [
        "boolean",
        "string"
      ],
      "description": "boolean, default true"
    }
  }
}

statutory_sick_pay

Statutory sick pay total for a number of weeks off. (cost: 1 credit)

Argument	Type	Description
weeksOff	number \| string	number, required
daysPerWeek	number \| string	number

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "weeksOff": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "daysPerWeek": {
      "type": [
        "number",
        "string"
      ],
      "description": "number"
    }
  }
}

vat

Add or extract UK VAT at standard (20%), reduced (5%), zero or a custom rate. (cost: 1 credit)

Argument	Type	Description
rate	string	standard\|reduced\|zero\|number
amount	number \| string	number, required
includesVat	boolean \| string	boolean

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "rate": {
      "type": "string",
      "description": "standard|reduced|zero|number"
    },
    "amount": {
      "type": [
        "number",
        "string"
      ],
      "description": "number, required"
    },
    "includesVat": {
      "type": [
        "boolean",
        "string"
      ],
      "description": "boolean"
    }
  }
}

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holiday_entitlement

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holiday_entitlement

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Tools (6)

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