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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use TaxJar with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate, collect, and remit sales tax automatically across every US state and jurisdiction with real-time rate accuracy.

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 · 12 capabilities

The complete TaxJar capability set.

These are the exact actions your AI can choose when you ask it to work with TaxJar.

Capability set01 / 03

01-04

4 capabilities in this set.

Part of 12 available through TaxJar.

  1. 01

    Create tax refund

    Record refund

  2. 02

    Delete tax order

    Remove order record

  3. 03

    Get tax account

    Get API status

  4. 04

    Get tax order

    Get order details

Capability set02 / 03

05-08

4 capabilities in this set.

Part of 12 available through TaxJar.

  1. 05

    Get tax rates

    Get rates by ZIP

  2. 06

    List nexus regions

    List tax nexus

  3. 07

    List tax categories

    List product types

  4. 08

    Update tax order

    Modify order record

Capability set03 / 03

09-12

4 capabilities in this set.

Part of 12 available through TaxJar.

  1. 09

    Validate tax address

    Verify address for tax

  2. 10

    Calculate sales tax

    Calculate order tax

  3. 11

    Create tax order

    Record order transaction

  4. 12

    List tax orders

    List order transactions

Observed, not estimated

903ms average. Fast in production.

TaxJar is checked daily against the live service.

Daily averagePeak 1175ms
Aug 20Today
Fastest day
778ms
Slowest day
1175ms
14-day trend
Stable+3%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 12 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 TaxJar, so you can see the experience inside your AI.

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

TaxJar Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_mNsxhZV2SaoVAW9l9gMHUcDa3T6yifvMacWQa5IT/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 — TaxJar capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "taxjar-alternative-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_mNsxhZV2SaoVAW9l9gMHUcDa3T6yifvMacWQa5IT/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 TaxJar owners ask.

  • 01

    Can I calculate sales tax for a specific address via AI?

    Yes! Use the calculate_sales_tax capability. Provide the destination country, zip code, and state along with the order amount. Your agent will return the precise tax to be collected.

  • 02

    How do I see in which states I have a tax nexus?

    Run the list_nexus_regions query. The agent will retrieve a list of all regions (states or countries) where you have configured a tax nexus in your TaxJar account.

  • 03

    Is it possible to validate a shipping address via AI?

    Absolutely. Use the validate_tax_address capability and provide the full address details. The agent will verify the address through TaxJar to ensure it is accurate for tax purposes.

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