Ato MCP Server

by com-ato-mcp

answering

Ato MCP is answering right now. Last checked 5 min ago. Last commit 26 Jul 2026.

Australian tax knowledge base for agents: 34,500+ ATO documents, cited answers to any tax question.

Uptime history 61 hours of history

61 hours agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

440 ms

Response time

average over 24h

Stars

last commit 26 Jul 2026

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add ato-mcp --transport http https://api.ato-mcp.com.au/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ato-mcp": {
      "url": "https://api.ato-mcp.com.au/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.ato-mcp]
url = "https://api.ato-mcp.com.au/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "ato-mcp": {
      "url": "https://api.ato-mcp.com.au/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "ato-mcp": {
      "url": "https://api.ato-mcp.com.au/mcp"
    }
  }
}

This endpoint answered with an authorization challenge — the server is running, but you need an API key or OAuth to use it.

Endpoints

URL	Transport	State	Latency	Checked
https://api.ato-mcp.com.au/mcp	streamable-http	needs key	358 ms	5 min ago

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Ato MCP — questions

Answers built from our own checks of this server.

Why is there no tool list for Ato MCP?

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 Ato MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 440 ms. The bar chart above shows every period we have measured.

How do I connect Ato MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own key or an OAuth login: it refuses anonymous clients.

Does Ato MCP need an API key?

Yes. Every time we knock, Ato MCP answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Ato MCP?

It answers our handshake in 440 ms on average, which is faster than 30% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Ato MCP open source?

Yes — it is published under the AGPL-3.0 licence, written in JavaScript and 5 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.