MCP For Claude Marketplace
UK Income Tax Calculator

UK Income Tax Calculator MCP Connector for Claude

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Calculate UK income tax liabilities, including personal allowance tapering and National Insurance contributions.

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner
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This MCP server provides precise calculations for United Kingdom income tax. It accounts for the Personal Allowance tapering that occurs when annual earnings exceed £100,000. Users can calculate specific liabilities using calculate_income_tax for income tax brackets, calculate_national_insurance for Class 1 and Class 4 contributions, or get_tax_summary_report for a complete breakdown of tax, NI, and net take-home pay.

uk-taxincome-taxnational-insurancepersonal-allowancefinancial-planning

3 tools expose this connector's capabilities to your AI agent.

get_tax_summary_report

Get a comprehensive UK tax summary report

calculate_income_tax

Calculate UK Income Tax liability

calculate_national_insurance

Calculate UK National Insurance contribution

See how to talk to your AI agent using UK Income Tax Calculator.

How much income tax will I pay on £50,000 annual earnings?

On an annual income of £50,000, your estimated income tax is £7,430 (based on standard thresholds).

Calculate my NI contribution for Class 1 with £30,000 earnings.

Your National Insurance Class 1 contribution on £30,000 is approximately £245.60.

What is my net take-home pay if I earn £120,000 as an employee?

With £120,000 annual earnings as an employee, your estimated net take-home pay after Income Tax and Class 1 NI is approximately £84,500.

If your annual earnings exceed £100,000, your Personal Allowance is reduced by £1 for every £2 earned above this threshold. This effectively increases the tax rate on income in this range.

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