Bring Sales Tax
to Mastra AI

Connect your TaxJar sales tax automation account to any AI agent and simplify how you calculate tax rates, manage jurisdictional nexus, and monitor order compliance through natural conversation.

What you can do

• Precise Tax Calculation — Calculate real-time sales tax for orders based on specific destination addresses and product categories.
• Rate Lookup — Retrieve general sales tax rates for any ZIP code or city to estimate costs instantly.
• Nexus Management — List and monitor regions where your business has a sales tax nexus to ensure compliance.
• Transaction Oversight — Record, update, and manage sales order and refund transactions for automated reporting.
• Address Validation — Verify street addresses to ensure highly accurate tax jurisdiction identification.
• Product Categorization — List TaxJar product categories and codes to apply correct tax exemptions and rates.

How it works

1. Subscribe to this server
2. Enter your TaxJar API Token (found in your account settings)
3. Start managing your sales tax compliance from Claude, Cursor, or any MCP client

Who is this for?

• E-commerce Managers — quickly calculate taxes for custom orders and check nexus status via simple AI commands.
• Finance & Accounting Teams — monitor transaction history and verify sales tax collected directly from the workspace.
• Ops & Logistics — validate shipping addresses and ensure correct product categorization via the AI assistant.