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Use US Sales Tax Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate precise US sales and use tax liabilities based on jurisdiction, sourcing rules, and item exemptions.

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 Sales Tax Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through US Sales Tax Calculator.

  1. 01

    Check item exemption

    Check if an item category is exempt from tax

  2. 02

    Calculate transaction tax

    Calculate the total tax liability for a transaction

  3. 03

    Get jurisdiction rates

    Retrieve tax rates for a specific location

Observed, not estimated

659ms average. Fast in production.

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

Daily averagePeak 841ms
Aug 20Today
Fastest day
510ms
Slowest day
841ms
14-day trend
Slowing+54%

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 Sales Tax Calculator, so you can see the experience inside your AI.

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

US Sales Tax Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_vtFkT3DUAjRMwQyuKAPwz2wZkHT1MULhjK68CBBK/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 Sales Tax Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "us-sales-tax-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_vtFkT3DUAjRMwQyuKAPwz2wZkHT1MULhjK68CBBK/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 Sales Tax Calculator owners ask.

  • 01

    How does the capability handle different sourcing rules?

    The calculate_transaction_tax capability automatically identifies whether a state uses destination-based or origin-based sourcing by comparing the provided origin and destination postal codes.

  • 02

    Can I check if specific items like groceries are exempt?

    Yes, you can use the check_item_exemption capability to determine if a product category is subject to tax or exempt in a specific state.

  • 03

    Does it support tax-inclusive pricing?

    Yes, when using calculate_transaction_tax, you can set the isTaxInclusive parameter to true to correctly calculate the taxable base amount from a price that already includes tax.

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