# US Income Tax Calculator MCP for AI Agents MCP

> US Income Tax Calculator calculates federal, state, and local tax liabilities. It handles complex scenarios like self-employment taxes, capital gains, and specific state/local rules for places like NYC or DC. Use it to get accurate tax estimates for side hustles, investments, and standard deductions.

## Overview
- **Category:** finance
- **Price:** Free
- **Endpoint:** https://edge.vinkius.com/undefined/mcp
- **Tags:** us-tax, irs, self-employment, federal-tax, state-tax

## Description

Imagine you're trying to figure out how much of your freelance check you actually get to keep after the IRS and your state take their cut. Usually, this involves a mess of spreadsheets and hunting down the latest tax brackets for different types of income. This MCP changes that by giving your AI client a dedicated engine to run those numbers for you. You can ask about specific scenarios, like how a $50,000 side hustle affects your self-employment tax or how much you'll owe on a specific capital gain. It handles the messy stuff, like splitting ordinary income from investment gains or figuring out the complicated rules for New York City and DC taxes. Because it's part of the Vinkius catalog, you don't have to worry about setting up complex connections; you just plug it in and let your agent handle the math. It's for when you need a quick, accurate look at your tax liability without digging through tax code manuals.

## Tools

### apply_credits_and_deductions
Calculates final tax adjustments including standard deductions. This helps you see your actual net liability after credits.

### calculate_federal_tax_layers
Splits your income into ordinary, capital gains, and NIIT categories. It ensures you're taxed correctly based on your specific income types.

### calculate_self_employment_impact
Determines your SECA tax liability and the deductible portion of your self-employment income. This is vital for freelancers and small business owners.

### calculate_state_local_taxation
Computes combined state and local tax liabilities for all 50 states. It covers specific jurisdictions like NYC and DC.

## Prompt Examples

**Prompt:** 
```
How much self-employment tax will I owe on $50,000 of income?
```

**Response:** 
```
Based on a gross self-employment income of $50,000, here is your tax breakdown:

*   **Total SECA Tax:** ~$7,065.00
*   **Deductible Portion:** ~$3,532.50

This means your adjusted gross income will be reduced by the deductible portion to help lower your overall tax liability.
```

**Prompt:** 
```
Calculate my federal tax layers for an AGI of $100,000 with $10,000 in LTCG and MFJ status.
```

**Response:** 
```
For a Married Filing Jointly status with a $100,000 AGI, your tax layers are split as follows:

| Income Type | Amount | Tax Treatment |
| :--- | :--- | :--- |
| **Ordinary Income** | $90,000 | Progressive brackets |
| **Long-Term Capital Gains** | $10,000 | 0% Rate (based on current thresholds) |

Your ordinary income will be taxed at the standard progressive rates, while your $10,000 in capital gains qualifies for the 0% rate.
```

**Prompt:** 
```
What is my state tax for New York?
```

**Response:** 
```
For taxable income in New York, your liability includes:

1.  **State-level progressive tax** based on your specific income brackets.
2.  **Local taxes** (such as NYC specific taxes) depending on your exact jurisdiction.

Would you like me to run a full calculation for a specific income amount?
```

## Capabilities

### Calculate federal tax layers
See how your income splits between ordinary, capital gains, and NIIT.

### Estimate self-employment impact
Get your SECA tax liability and deductible portions automatically.

### Compute state and local taxes
Find out what you owe in jurisdictions like NYC or DC.

### Apply credits and deductions
Factor in standard deductions and the Child Tax Credit.

### Determine capital gains tax
See how your investment profits are taxed based on your filing status.

## Use Cases

### Side Hustle Planning
A freelancer wants to know if a new $10k project is worth it after taxes. They ask their agent to run the numbers.

### Investment Sale
A house flipper needs to know the tax on a $200k profit. The agent uses the tool to calculate capital gains.

### State Relocation
Someone moving to NYC wants to see the local tax impact. The agent calculates the combined state and local liability.

### Small Biz Growth
A consultant wants to see how adding a new service affects their SECA tax. The agent runs the self-employment tool.

## Benefits

- Stop guessing your net pay. Use calculate_self_employment_impact to see exactly how much of your freelance income is actually yours to keep.
- Handle complex multi-state taxes easily. calculate_state_local_taxation covers all 50 states, including tricky areas like NYC.
- Get accurate capital gains. Use calculate_federal_tax_layers to see the difference between your salary and your investment profits.
- Factor in your family's needs. The apply_credits_and_deductions tool automatically handles the Child Tax Credit and standard deductions.
- Save hours of research. Your AI client can instantly check tax brackets instead of you hunting through IRS websites.

## How It Works

The bottom line is you get accurate tax estimates across multiple jurisdictions without the manual math.

1. Connect the US Income Tax Calculator MCP to your preferred AI client.
2. Provide your income details, filing status, and any specific credits or deductions.
3. Get a detailed breakdown of your federal, state, and local tax liabilities.

## Frequently Asked Questions

**Can the US Income Tax Calculator MCP handle my freelance taxes?**
Yes, it specifically handles self-employment tax (SECA) and helps you figure out the deductible portion of your freelance income.

**Does the US Income Tax Calculator MCP work for New York City residents?**
Yes, the tool includes combined state and local tax calculations for jurisdictions like NYC and DC.

**How does the US Income Tax Calculator MCP handle capital gains?**
It splits your income into ordinary and capital gains layers to ensure your investment profits are taxed at the correct rate.

**Can I use the US Income Tax Calculator MCP to see my Child Tax Credit?**
Yes, it can factor in standard deductions and the Child Tax Credit to give you a more accurate final tax adjustment.

**Does the US Income Tax Calculator MCP cover all 50 states?**
Yes, it supports combined state and local tax liability calculations for all 50 states.

**How accurate are the estimates from the US Income Tax Calculator MCP?**
It provides highly accurate estimates based on current tax brackets and rules, making it ideal for 'what-if' planning and liability checks.

**Does this tool account for self-employment tax?**
Yes, you can use `calculate_self_employment_impact` to determine your total SECA tax liability and the deductible portion that reduces your AGI.

**Can I calculate state-specific taxes?**
Yes, the `calculate_state_local_taxation` tool allows you to compute liabilities for any of the 50 US states and specific local jurisdictions like NYC or DC.

**How are capital gains handled?**
The `calculate_federal_tax_layers` tool calculates the split between ordinary income tax, preferential rates for long-term capital gains and qualified dividends, and the NIIT surcharge.