⚠️
Third-party server — not affiliated with ClaudeFinanceLab. This server is developed and maintained by Avalara. ClaudeFinanceLab is a neutral directory and does not endorse, operate, or take any responsibility for this server. We are not liable for its availability, accuracy of outputs, data privacy practices, security, or fitness for any purpose. Eval scores are point-in-time automated test results — they do not constitute a security audit or ongoing guarantee of correctness. Never use third-party MCP servers for real financial decisions without independent due diligence. Server owners who object to their listing can contact us at evals@claudefinancelab.com for prompt removal. Full disclaimer →
What is an MCP server?

A live data connector for Claude. Once connected, Claude can pull real Avalara Tax Suite MCP (Official) data directly into any conversation — no copy-paste, no spreadsheet exports, no switching tabs.

Connect in 3 steps
  1. Get a free API key — create one here
  2. Copy the install config below into your claude_desktop_config.json
  3. Restart Claude Desktop — the tools appear automatically
Full setup guide (5 min) →
🧾

Avalara Tax Suite MCP (Official)

by Avalara

Official Avalara suite of 9 specialized MCP servers covering the full tax compliance stack: AvaTax (real-time tax calculation, nexus determination), Returns (filing calendars), E-Invoicing (international compliance), Tax Registrations & Business Licenses, Exemption Certificate Management, Cross-Border Trade (duty/tariff calculations), Tax Content database, Classification, and Developer Documentation.

🧾 Tax 🔑 Auth required — OAuth 2.1 with Avalara account (avalara.com) http Unspecified ★ 2 GitHub stars
0/100
Public Eval Score
Last tested Sep 1, 2026
⎇ GitHub → 📄 Docs →
Install Config
{
  "mcpServers": {
    "avalara-mcp": {
      "url": "https://mcp.avalara.com/mcp"
    }
  }
}

ℹ Add your OAuth 2.1 with Avalara account (avalara.com) in the config (replace the placeholder value).

Full setup walkthrough: Getting Started Guide →

Eval Results — Public Suite (0/1 passed)
✗ Server reachable Connectivity
unhandled errors in a TaskGroup (1 sub-exception)
Tested Sep 1, 2026 · About our eval methodology →
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