Avalara Returns MCP Server

by avalara Your server? Claim it

answering

Avalara Returns is answering right now. Last checked 12 min ago. Last commit 30 Jul 2026.

Provides access to Avalara Global Returns API for tax returns, filing calendars, and compliance data

Uptime history 91 days of history · worst day 95%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

—

Tools

hidden behind auth

525 ms

Response time

average over 24h

Stars

last commit 30 Jul 2026

Nothing serious here today

Today is the operative word: we check Avalara Returns every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add returns --transport http https://mcp.avalara.com/returns

Settings → Connectors → Add custom connector, then paste this address

https://mcp.avalara.com/returns

~/.codex/config.toml

[mcp_servers.returns]
url = "https://mcp.avalara.com/returns"

.cursor/mcp.json

{
  "mcpServers": {
    "returns": {
      "url": "https://mcp.avalara.com/returns"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "returns": {
      "type": "http",
      "url": "https://mcp.avalara.com/returns"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.avalara.com/returns	streamable-http	sign-in	365 ms	12 min ago

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Avalara Returns — questions

Answers built from our own checks of this server.

Why is there no tool list for Avalara Returns?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.

Is Avalara Returns working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 525 ms. The bar chart above shows every period we have measured.

How do I connect Avalara Returns?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Avalara Returns?

No API key is involved. Avalara Returns answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Avalara Returns?

It answers our handshake in 525 ms on average, which is faster than 23% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Avalara Returns open source?

We cannot say either way: 5 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.