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Use US Income Tax Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate US federal, state, and local income tax liabilities including SECA, LTCG, and credits.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 4 capabilities

The complete US Income Tax Calculator capability set.

These are the exact actions your AI can choose when you ask it to work with US Income Tax Calculator.

Capability set01 / 01

01-04

4 capabilities in this set.

Part of 4 available through US Income Tax Calculator.

  1. 01

    Apply credits and deductions

    Calculate final tax adjustments

  2. 02

    Calculate federal tax layers

    Calculate split between ordinary, capital gains, and NIIT

  3. 03

    Calculate self employment impact

    Calculate SECA tax and deductible portion

  4. 04

    Calculate state local taxation

    G., NYC, DC). Compute combined state and local tax liability

Observed, not estimated

634ms average. Fast in production.

US Income Tax Calculator is checked daily against the live service.

Daily averagePeak 805ms
Aug 20Today
Fastest day
501ms
Slowest day
805ms
14-day trend
Slowing+21%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of US Income Tax Calculator, so you can see the experience inside your AI.

It does not authenticate your account with US Income Tax Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

US Income Tax Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_Cv2i72fjLxjBDwBbhdE7rML1UOCedTRdcnFXPXlP/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — US Income Tax Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "us-income-tax-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_Cv2i72fjLxjBDwBbhdE7rML1UOCedTRdcnFXPXlP/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions US Income Tax Calculator owners ask.

  • 01

    Does this capability 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.

  • 02

    Can I calculate state-specific taxes?

    Yes, the calculate_state_local_taxation capability allows you to compute liabilities for any of the 50 US states and specific local jurisdictions like NYC or DC.

  • 03

    How are capital gains handled?

    The calculate_federal_tax_layers capability calculates the split between ordinary income tax, preferential rates for long-term capital gains and qualified dividends, and the NIIT surcharge.

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