Quarterly Tax Calculator

{
  "mcpServers": {
    "io.github.al157/quarterlytax-mcp": {
      "url": "https://mcp.quarterlytax.al157.xyz/mcp"
    }
  }
}

Indexed tools

Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.

2 shown · authentication unknown

• estimateQuarterlyTax

  Estimate US federal + state quarterly estimated tax payments for a self-employed person. Given annual Schedule C net profit, filing status, two-letter US state code, tax year, and whether the §199A QBI deduction applies, returns annual federal income+SE tax, rough state income tax, SE tax, combined total, the per-quarter installment amount (4 equal payments), and a deep link that opens the site calculator pre-filled with these inputs. Read-only calculation; no data is stored.

  Schema valid · SHA-256 782ca77dfe6f…

  View input schema

  {
    "type": "object",
    "properties": {
      "netProfit": {
        "type": "number",
        "minimum": 0,
        "description": "Annual self-employment net profit in USD."
      },
      "filingStatus": {
        "type": "string",
        "enum": [
          "single",
          "mfj",
          "hoh"
        ],
        "description": "Federal filing status: single, mfj (married filing jointly), hoh (head of household)."
      },
      "state": {
        "type": "string",
        "pattern": "^[A-Za-z]{2}$",
        "description": "Two-letter US state code, e.g. \"CA\"."
      },
      "taxYear": {
        "type": "integer",
        "enum": [
          2025,
          2026
        ],
        "description": "Tax year for the federal rules applied."
      },
      "includeQBI": {
        "type": "boolean",
        "description": "Whether the §199A qualified business income deduction applies (default true)."
      }
    },
    "required": [
      "netProfit",
      "filingStatus",
      "state",
      "taxYear"
    ]
  }

• getPaymentCalendar

  Return the 4 federal quarterly estimated tax payment due dates for a tax year (Apr/Jun/Sep 15 and Jan 15 of the following year, rolled forward past weekends and IRS holidays to the real deadline), plus a deep link to the site. Read-only.

  Schema valid · SHA-256 9761c4eea123…