Section 179 Deduction Calculator MCP

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "tax_year",
    "total_section_179_property_cost"
  ],
  "properties": {
    "tax_year": {
      "type": "integer",
      "maximum": 2027,
      "minimum": 2025,
      "description": "Tax year the property is placed in service: 2025 or 2026."
    },
    "elected_cost": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Amount you elect to expense. Defaults to the most allowed."
    },
    "business_taxable_income": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": -100000000000,
      "description": "Taxable income from the active conduct of your trades or businesses, including wages (Form 4562 line 11). Leave out to skip the income limit."
    },
    "total_section_179_property_cost": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Total cost of all section 179 property placed in service in the year (Form 4562 line 2)."
    }
  },
  "additionalProperties": false
}

{
  "title": "Section 179 deduction (2025-2026)",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "acquired_date",
    "placed_in_service_date",
    "depreciable_basis"
  ],
  "properties": {
    "elect_out": {
      "type": "boolean",
      "description": "True if you elect out of bonus depreciation for this class of property."
    },
    "acquired_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Acquisition date, YYYY-MM-DD. Use the date a written binding contract was signed if earlier than delivery."
    },
    "depreciable_basis": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Depreciable basis (business share of cost) in USD."
    },
    "elect_reduced_rate": {
      "type": "boolean",
      "description": "True to elect 40% (60%) instead of 100% for property acquired after Jan 19, 2025 and placed in service in the first tax year ending after that date."
    },
    "section_179_deduction": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Section 179 amount already taken on this property; bonus applies to what is left."
    },
    "placed_in_service_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Date the property was placed in service, YYYY-MM-DD."
    },
    "long_production_or_aircraft": {
      "type": "boolean",
      "description": "True for long production period property or certain noncommercial aircraft."
    }
  },
  "additionalProperties": false
}

{
  "title": "Bonus depreciation rate and amount (168(k))",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "tax_year",
    "gvwr_lbs"
  ],
  "properties": {
    "cost": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Vehicle cost in USD."
    },
    "gvwr_lbs": {
      "type": "number",
      "maximum": 200000,
      "minimum": 0,
      "description": "Gross vehicle weight rating in pounds (driver door sticker)."
    },
    "tax_year": {
      "type": "integer",
      "maximum": 2027,
      "minimum": 2025,
      "description": "Year placed in service: 2025 or 2026."
    },
    "bonus_eligible": {
      "type": "boolean",
      "description": "False if bonus depreciation is not taken (elected out). Default true."
    },
    "exempt_from_suv_cap": {
      "type": "boolean",
      "description": "True for a 6,001-14,000 lb vehicle that seats more than nine behind the driver, has a cargo bed of at least 6 feet, or is an enclosed cargo van."
    },
    "business_use_percent": {
      "type": "number",
      "maximum": 100,
      "minimum": 0,
      "description": "Business use share, 0-100. Default 100."
    }
  },
  "additionalProperties": false
}

{
  "title": "Vehicle limits: heavy SUV cap and luxury auto caps",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "price",
    "apr_percent",
    "term_months"
  ],
  "properties": {
    "price": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Purchase price in USD."
    },
    "asset_type": {
      "enum": [
        "equipment",
        "tractor",
        "semi_truck",
        "commercial_truck",
        "commercial_vehicle",
        "farm",
        "aircraft",
        "trailer",
        "rv",
        "motorcycle",
        "land",
        "manufactured_home",
        "atv",
        "utv",
        "pontoon",
        "other"
      ],
      "type": "string",
      "description": "Type of asset, used to link the matching calculator page."
    },
    "apr_percent": {
      "type": "number",
      "maximum": 60,
      "minimum": 0,
      "description": "Annual percentage rate, e.g. 7.5."
    },
    "term_months": {
      "type": "integer",
      "maximum": 480,
      "minimum": 1,
      "description": "Loan term in months."
    },
    "down_payment": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Down payment in USD. Default 0."
    },
    "marginal_tax_rate": {
      "type": "number",
      "maximum": 0.6,
      "minimum": 0,
      "description": "Combined marginal tax rate as a decimal, e.g. 0.30."
    },
    "business_use_percent": {
      "type": "number",
      "maximum": 100,
      "minimum": 0,
      "description": "Business use share 0-100. Give this or marginal_tax_rate to get the after-tax cost."
    },
    "first_year_deduction": {
      "type": "number",
      "maximum": 100000000000,
      "minimum": 0,
      "description": "Section 179 plus bonus deduction taken in year 1. Defaults to the full business share of the price."
    }
  },
  "additionalProperties": false
}

{
  "title": "Asset loan payment and after-tax cost",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}