MCP For Claude Marketplace
US Capital Gains Tax Calculator

US Capital Gains Tax Calculator MCP Connector for Claude

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Calculate US capital gains tax liability based on holding periods and taxable income.

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner
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This MCP server provides tools to determine if a transaction results in a short-term or long-term capital gain and estimates the resulting tax liability. Use calculate_gain_classification to find your profit and classification based on how many days you held the asset. Then, use estimate_tax_liability with your annual taxable income and filing status to calculate exactly how much tax is owed. You can also use get_tax_bracket_context to see the specific income thresholds for long-term capital gains rates.

taxcapital-gainsusafinanceaccounting

3 tools expose this connector's capabilities to your AI agent.

calculate_gain_classification

Determines if a transaction results in short-term or long or long-term capital gain

get_tax_bracket_context

Provides income thresholds for long-term tax rates

estimate_tax_liability

Calculates the dollar amount of tax owed on a realized gain

See how to talk to your AI agent using US Capital Gains Tax Calculator.

I bought a stock for $1,000 and sold it for $2,500 after 400 days. What is my gain classification?

Your transaction resulted in a long-term capital gain of $1,500.

I have a $5,000 long-term gain and my annual taxable income is $40,000 with a Single filing status. How much tax do I owe on this gain?

The estimated tax due on your $5,000 gain is $0.00, as it falls within the 0% tax bracket for your income level.

What are the long-term capital gains thresholds for someone filing as Married Filing Jointly?

For Married Filing Jointly, the thresholds are: Up to $94,050 = 0%, Up to $583,750 = 15%, and above $583,750 = 20%.

Short-term gains apply to assets held for one year or less and are taxed at your ordinary income tax rate. Long-term gains apply to assets held for more than one year and benefit from lower preferential rates of 0%, 15%, or 20%.

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