Gross-to-Net Salary Calculator (Germany & UK)

Reliability

Latest check failed 7 h ago: initialize returned HTTP 404

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "gross-to-net-salary-calculator-germany-uk": {
      "type": "http",
      "url": "https://syntropicapi.com/mcp/salary-net/mcp"
    }
  }
}

5 tools

• calculate_net_salary

  Computes net pay from gross pay for one pay period with the country's official payroll algorithm. Returns every employee deduction and employer contribution as a line with the rule applied and its source, the employer's total cost, annualised figures and the assumptions made.

• calculate_gross_salary

  Finds the smallest gross pay (to the cent) whose net pay reaches the target, by bisection over the same engine as /net. Returns the full breakdown for that gross pay and the remaining difference to the target.

• compare_net_salaries

  Runs up to 8 gross-to-net scenarios and returns them side by side: net, deductions, employer cost and the split into income tax and social contributions. Amounts stay in each country's currency (no FX conversion).

• get_payroll_parameters

  Allowances, tax bands, contribution rates and ceilings the engine uses for the country and year, each with its official source.

• list_salary_countries

  Coverage: which countries and tax years are available, which pay periods and profile fields they accept, the official test data each engine is checked against, and which countries are planned next.

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