Avalara Cross-Border
Cross-border duty-rate and Trade & Tariff content lookups with product compliance and restrictions
What can you do with Avalara Cross-Border?
- Query real-time tax rates and calculations
- Access compliance monitoring and regulatory updates
- Manage exemption certificates, business licenses, and returns
- Retrieve documentation and guidance
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport http avalara-cross-border 'https://mcp.avalara.com/cross-border'{
"mcpServers": {
"avalara-cross-border": {
"type": "http",
"url": "https://mcp.avalara.com/cross-border"
}
}
}Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Avalara
This is a non-community repo, created and maintained by Avalara
Avalara MCP Servers
MCP (Model Context Protocol) servers connect AI applications with Avalara's tax compliance systems in a standardized way. MCP servers allow partners and developers to integrate AI-driven tax workflows, automate cross-border compliance, and access Avalara's regularly updated tax content.
Avalara-supported MCP servers include AvaTax, Returns, E-Invoicing and Live Reporting, Tax Registrations and Business Licenses and Exemption Certificate Management, Cross Border Trade, and Tax Content. More services will be added over time.
What you can do:
- Query real-time tax rates and calculations
- Access compliance monitoring and regulatory updates
- Manage exemption certificates, business licenses, and returns
- Retrieve documentation and guidance
Getting Started with Avalara MCP Servers
Learn how to set up and connect to Avalara Model Context Protocol (MCP) servers for AI-powered tax compliance integration.
Prerequisites
To connect to Avalara MCP servers, you need to have:
- Avalara subscription: You must have an active Avalara account
- An AI client: Programmatic clients built using FastMCP or any other MCP-compatible library.
- A modern web browser: Required for the OAuth 2.1 authorization flow.
How to connect:
Step 1: Set up the MCP client Follow the steps provided on the individual MCP server pages.
Step 2: Authorize access
- When prompted, your MCP client redirects you to Avalara's secure sign in page
- Sign in with your Avalara credentials
- Review the permissions requested by the client for access to specific MCP server capabilities
- Grant consent to complete the OAuth flow
Available MCP Servers
| Server | Description | Install |
|---|---|---|
| Avalara AvaTax MCP server | ||
| Provides access to the Avalara AvaTax API for tax calculation, transaction management, nexus handling, and compliance data. | ||
| Avalara Returns MCP server | Provides access to the Avalara Global Returns API for tax returns management, filing calendars, and compliance data. | |
| Avalara Tax Registrations and Business License MCP server | Provides access to Avalara Tax Registration and Business Licenses APIs for license guidance, sales and payroll tax registrations, questionnaire management, and business activity validation. | |
| Avalara E-Invoicing & Live Reporting MCP server | Provides access to Avalara E-Invoicing and Live Reporting APIs for retrieving document statuses, downloading compliant documents, and managing compliance across jurisdictions. | |
| Avalara Exemption Certificates Management MCP server | Provides access to the Avalara Exemption Certificate Management API for managing certificates, customer profiles, and company data. | |
| Avalara Cross-Border Trade Services MCP server | The Cross-Border Trade Services MCP server supports AI agents by providing tools to perform cross-border transactions, including duty calculations, and access to Trade and Tariff content libraries (including import trade restrictions). | |
| Avalara Tax Content MCP server | Provides access to Avalara Tax Content (ATC) data, including Transaction Tax Export (TTE) Configurations, Jobs, Communications and User Defined Functions for Lodging and Autorental. | |
| Avalara Dev Documentation MCP server | Provides access to Avalara developer documentation and integration guides, including technical documentation, product information, how-to guides, and code examples. | |
| Avalara Classification MCP server | Provides Harmonized System (HS) code classification for cross-border transactions. Supports managed classification requests, HS code validation and verification, and AI-powered import and export, and enriched trade compliance content lookup. |
Troubleshooting common issues:
- Connection failed: Verify your Avalara account status and internet connection.
- Permission denied: Make ensure your account has access to the requested services.
- HTTP 429 (Too Many Requests): You've exceeded the server's rate limit.
- Wait a few minutes before retrying.
- Check the server's rate limit details on its individual page.
Frequently asked questions
What is Avalara Cross-Border?
Cross-border duty-rate and Trade & Tariff content lookups with product compliance and restrictions
How do I install Avalara Cross-Border?
It runs as a remote server. In Claude Code: claude mcp add --transport http avalara-cross-border 'https://mcp.avalara.com/cross-border'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Avalara Cross-Border need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Avalara Cross-Border open source?
Its code is public on GitHub, but the repository does not declare a standard license.
Who maintains Avalara Cross-Border?
It is published by avadev. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.