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Use US State 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 state income tax rates and liabilities based on residency and taxable income.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

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

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete US State Tax Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through US State Tax Calculator.

  1. 01

    Calculate state liability

    Calculate the total state income tax liability

  2. 02

    Get state rate

    Retrieve the tax rate for a specific US state

  3. 03

    List no tax states

    List all US states with no state income tax

Observed, not estimated

741ms average. Fast in production.

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

Daily averagePeak 952ms
Aug 20Today
Fastest day
514ms
Slowest day
952ms
14-day trend
Slowing+48%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 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 State Tax Calculator, so you can see the experience inside your AI.

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

US State Tax Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_9ERtFRshvI5j3UuxBbKoL33CM72MLEszMvvHZlQ4/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 State Tax Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "us-state-tax-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_9ERtFRshvI5j3UuxBbKoL33CM72MLEszMvvHZlQ4/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 State Tax Calculator owners ask.

  • 01

    How do I find the tax rate for a specific state?

    Use the get_state_rate capability by providing the full name of the US state, such as 'California'.

  • 02

    Can I calculate my total tax liability?

    Yes, use the calculate_state_liability capability. You will need to provide the state name and your taxable income amount.

  • 03

    Which states have no state income tax?

    You can retrieve a complete list of all zero-tax jurisdictions by using the list_no_tax_states capability.

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