Fire Calculator MCP tool

• current_age

  integer required

  Current age in years.

• current_net_worth

  number optional

  Invested net worth today. Default: 0.

• annual_expenses

  number required

  Yearly spending. Must be > 0.

• annual_income

  number optional

  Yearly income. Default: 0.

• savings_rate

  number optional

  Percent of income saved. Default: 0.

• expected_return

  number optional

  Expected yearly return in percent. Default: 7.

• withdrawal_rate

  number optional

  Safe withdrawal rate in percent. Must be > 0. Default: 4.

• inflation_rate

  number optional

  Yearly inflation in percent. Default: 2.5.

• fire_type

  string optional

  FIRE variant. Default: traditional. One of traditional · lean · fat · coast · barista.

{
  "current_age": 30,
  "current_net_worth": 50000,
  "annual_expenses": 50000,
  "annual_income": 80000,
  "savings_rate": 30,
  "expected_return": 7,
  "withdrawal_rate": 4,
  "inflation_rate": 2.5,
  "fire_type": "traditional"
}