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Avalara AvaTax MCP
Avalara's official AvaTax MCP server: sales-tax calculation, transactions, nexus, tax codes and address validation via OAuth.
Install
https://mcp.avalara.com/avataxClaude → Settings → Connectors → Add custom connector, paste this URL.
claude mcp add --transport http avalara-avatax-mcp https://mcp.avalara.com/avatax{
"mcpServers": {
"avalara-avatax-mcp": {
"url": "https://mcp.avalara.com/avatax"
}
}
}https://mcp.avalara.com/avataxChatGPT → Settings → Apps & Connectors (developer mode) → Create, paste this URL.
{
"tools": [
{
"type": "mcp",
"server_url": "https://mcp.avalara.com/avatax",
"server_label": "avalara-avatax-mcp"
}
]
}Remote MCP tool in an xAI API request; see docs.x.ai for auth headers.
{
"mcpServers": {
"avalara-avatax-mcp": {
"httpUrl": "https://mcp.avalara.com/avatax"
}
}
}Pricing
- Model
- account required
- Free tier
- Requires an Avalara account (sandbox available)
- Paid from
- —
- Details
- No separate MCP fee found; AvaTax pricing per Avalara.
- Source
- https://developer.avalara.com/products/avatax/mcp/ (checked 2026-10-29)
Prices change — always confirm on the vendor's page before buying.
Verification
✓ Verified Reachable, links alive, and (for repos) a commit in the last 180 days.
| ✅ | homepage alive |
| ✅ | docs alive |
| ✅ | remote MCP endpoint responds |
Automated check on 2026-10-29. How we verify.