Can the AI automatically validate a shipping address before I calculate the tax?

Yes! Use the `resolve_address` tool with the full address string. Your agent will return the validated and formatted address, ensuring that the subsequent tax calculation uses the correct jurisdiction data.

How do I void a transaction that was recorded incorrectly?

Simply ask the agent to run the `void_transaction` tool with the specific transaction code and company code. It will instantly update the status in your AvaTax account.

Is it possible to check my company's tax nexus settings through the AI?

Yes. The `list_nexus_by_company` tool allows you to audit all active tax jurisdictions where your company is registered, ensuring you are collecting taxes where required.

Avalara (AvaTax) MCP Server for VS Code Copilot 10 tools — connect in under 2 minutes

Name: Avalara (AvaTax)
Availability: InStock
Author: Vinkius

code.visualstudio.com/docs/copilot/chat/mcp-servers

Built by Vinkius GDPR 10 Tools IDE

GitHub Copilot in VS Code is the most widely adopted AI coding assistant, embedded directly into the world's most popular code editor. With MCP support in Agent mode, Copilot can access external data and APIs to generate context-aware code grounded in real-time information.

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Classic Setup·json

{
  "mcpServers": {
    "avalara-avatax": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Avalara (AvaTax) MCP Server

Connect your Avalara AvaTax account to any AI agent and automate your transaction tax compliance through natural conversation.

GitHub Copilot Agent mode brings Avalara (AvaTax) data directly into your VS Code workflow. With a project-scoped config, the entire team shares access to 10 tools. Copilot queries live data, generates typed code, and writes tests from actual API responses, all without leaving the editor.

What you can do

Real-time Tax Calculation — Create and record transactions with accurate sales tax rates for any global jurisdiction
Precision Address Validation — Resolve and validate physical addresses to ensure maximum calculation accuracy and nexus compliance
Seamless Transaction Management — Retrieve, commit, and void tax transactions directly from your chat interface
Compliance & Nexus Auditing — List tax nexus settings and company details to ensure your business remains compliant with local regulations

The Avalara (AvaTax) MCP Server exposes 10 tools through the Vinkius. Connect it to VS Code Copilot in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Avalara (AvaTax) to VS Code Copilot via MCP

Follow these steps to integrate the Avalara (AvaTax) MCP Server with VS Code Copilot.

Create MCP config

Create a .vscode/mcp.json file in your project root

Add the server config

Paste the JSON configuration above

Enable Agent mode

Open GitHub Copilot Chat and switch to Agent mode using the dropdown

Start using Avalara (AvaTax)

Ask Copilot: "Using Avalara (AvaTax), help me...". 10 tools available

Why Use VS Code Copilot with the Avalara (AvaTax) MCP Server

GitHub Copilot for Visual Studio Code provides unique advantages when paired with Avalara (AvaTax) through the Model Context Protocol.

VS Code is used by over 70% of developers. adding MCP tools to Copilot means your team can leverage external data without leaving their primary editor

Project-scoped MCP configs (`.vscode/mcp.json`) let you commit server configurations to your repository, ensuring the entire team shares the same tool access

Copilot's Agent mode integrates MCP tools seamlessly with file editing, terminal commands, and workspace search in a single agentic loop

GitHub's enterprise compliance and audit features extend to MCP tool usage, providing visibility into how AI interacts with external services

Avalara (AvaTax) + VS Code Copilot Use Cases

Practical scenarios where VS Code Copilot combined with the Avalara (AvaTax) MCP Server delivers measurable value.

Live API integration: Copilot can query an MCP server, inspect the response schema, and generate typed API client code in the same step

DevSecOps workflows: security teams can give developers access to domain intelligence tools directly in their editor for real-time vulnerability assessment during code review

Data pipeline development: Copilot fetches sample data via MCP and generates transformation scripts, validators, and test fixtures from actual API responses

Documentation generation: Copilot queries available tools and auto-generates README sections, API reference docs, and usage examples

Avalara (AvaTax) MCP Tools for VS Code Copilot (10)

These 10 tools become available when you connect Avalara (AvaTax) to VS Code Copilot via MCP:

commit_transaction

Mark a transaction as committed for reporting

create_transaction

Calculate tax and record a transaction

get_account_check

Verify AvaTax account connection

get_company

Get details for a specific company

get_tax_rates_by_address

Get tax rates for a physical address

get_transaction

Retrieve a specific transaction by code

list_companies

List all companies in the account

list_nexus

List tax nexus for a specific company

resolve_address

Validate and resolve a physical address

void_transaction

Void a transaction

Example Prompts for Avalara (AvaTax) in VS Code Copilot

Ready-to-use prompts you can give your VS Code Copilot agent to start working with Avalara (AvaTax) immediately.

"Resolve the following address: '2000 Main St, Irvine, CA 92614'."

"List all active nexus settings for my company 'MainStore'."

"Calculate sales tax for a $100.00 purchase from Seattle to New York."

Troubleshooting Avalara (AvaTax) MCP Server with VS Code Copilot

Common issues when connecting Avalara (AvaTax) to VS Code Copilot through the Vinkius, and how to resolve them.

MCP tools not available

Ensure you are in Agent mode in Copilot Chat. MCP tools only appear in Agent mode.

Avalara (AvaTax) + VS Code Copilot FAQ

Common questions about integrating Avalara (AvaTax) MCP Server with VS Code Copilot.

Which VS Code version supports MCP?

MCP support requires VS Code 1.99 or later with the GitHub Copilot extension. Ensure both are updated to the latest version. Older versions of Copilot may not expose the Agent mode toggle.

How do I switch to Agent mode?

Open the Copilot Chat panel and look for two mode options: "Ask" and "Agent". Click "Agent" to enable autonomous tool calling. In Ask mode, Copilot provides conversational answers but cannot invoke MCP tools.

Can I restrict which MCP tools Copilot can access?

Yes. VS Code shows a tool consent dialog before any MCP tool is invoked for the first time. You can also configure tool access policies at the organization level through GitHub Copilot settings.

Does MCP work in VS Code Remote or Codespaces?

Yes. MCP servers configured via .vscode/mcp.json work in Remote SSH, WSL, and GitHub Codespaces environments. The MCP connection is established from the remote host, so ensure the server URL is accessible from that environment.