Self Employment Tax Calculator MCP tool

• country

  string optional

  Tax system: usa, turkey, or kktc. Default: turkey. One of usa · turkey · kktc.

• tax_year

  string optional

  Tax year. Default: 2025. One of 2024 · 2025.

• gross_income

  number required

  Gross self-employment income for the year.

• business_expenses

  number optional

  Deductible business expenses. Default: 0.

• filing_status

  string optional

  USA only. Default: single. One of single · married_joint · married_separate · head_of_household.

• other_income

  number optional

  USA only: other taxable income (W-2, interest). Default: 0.

• use_standard_deduction

  boolean optional

  USA only: use the standard deduction. Default: true.

• itemized_deductions

  number optional

  USA only: itemized deductions when not using the standard one; the larger of the two is applied. Default: 0.

• bagkur_tier

  string optional

  Türkiye only: minimum declared base, or custom. Default: minimum. One of minimum · custom.

• bagkur_has_discount

  boolean optional

  Türkiye only: 5-point discount for regular payers (29.5% instead of 34.5%). Default: true.

• custom_bagkur_base

  number optional

  Türkiye only: monthly declared base when bagkur_tier is custom; clamped to the legal range.

{
  "country": "usa",
  "tax_year": "2025",
  "gross_income": 100000,
  "business_expenses": 20000,
  "filing_status": "single"
}