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Ato MCP server

by ausdata.io·io.ausdata/ato-mcp·v0.8.31
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Query the ATO in plain English — tax by postcode, corporate tax, GST, super, charities.

A86/100grade A
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Safety scan
A86/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

Ato tools (7)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • describe_dataset

    Describe a dataset's filterable dimensions, returnable measures, units, and source.

  • get_data
  • latest

    Return the most recent observation(s) per measure for a dataset.

  • list_curated

    List every curated dataset ID in this version of ato-mcp.

  • search_datasets

    Fuzzy-search the curated ATO/ACNC dataset catalog.

  • stats

    Aggregate statistics (count, sum, mean, median, min, max, stddev) for one measure across all rows matching filters. Optionally grouped.

  • top_n

    Return the N rows with the largest (or smallest) value of a measure.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • Code scan32 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 38 days ago12/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
Overall 86/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

What the publisher says

From the Ato repository's README, as published. We do not edit it. Read it on GitHub

ato-mcp

mcp-name: io.ausdata/ato-mcp

MCP server for Australian Taxation Office statistics. Plain-English access to personal tax by postcode, company tax by industry, corporate tax transparency for every $100M+ entity, super contributions by age, salary by occupation, monthly GST collections, and the live ACNC charity register — all from a single uvx command.

Hosted access? For cross-source queries, webhooks, an always-on REST API, and a uniform response envelope across all 9 sources, see ausdata.io — free tier available (500 calls/mo, no card).

"What's the median taxable income in postcode 2000?"
"How much tax did BHP pay last year?"
"Which industries have the highest gross income?"
"How many Large charities are there in NSW?"
"What's the average super contribution for under-30s in the top tax bracket?"

Sister to abs-mcp (Australian Bureau of Statistics), rba-mcp (Reserve Bank of Australia), and au-weather-mcp (Australian weather via Open-Meteo + BOM). The four together cover the macro / regulator / tax / climate layer of Australian official data.

Install

# Run on demand via uvx (recommended)
uvx --upgrade ato-mcp

# Or install permanently
pip install ato-mcp

Claude Desktop

Add to claudedesktopconfig.json:

{
  "mcpServers": {
    "ato": { "command": "uvx", "args": ["--upgrade", "ato-mcp"] }
  }
}

Why --upgrade? uvx ato-mcp (without the flag) uses whatever wheel is cached and never adopts new PyPI releases on its own. --upgrade makes uvx check PyPI on each launch and pull a newer release if one exists. To verify which version is currently serving you, look at the server_version field on any DataResponse.

Claude Code / Cursor

claude mcp add ato --command uvx --args -- --upgrade ato-mcp

Auto-updating data

Beyond the wheel-level --upgrade, the server has a second auto-update path inside the data layer: when ATO publishes Taxation Statistics 2023-24 next year, ato-mcp resolves the new resource URL via data.gov.au's CKAN API at fetch time and uses the freshest match. Hard-coded YAML URLs are the safe fallback if discovery fails. You do not need to wait for a new wheel release to get new yearly data — just delete ~/.ato-mcp/cache.db to force a refresh, or wait for the 7-day TTL to expire.

What it exposes

Seven tools, all plain-English in, structured out:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Install directly

claude mcp add ato-mcp -- uvx ato-mcp
Add to Cursor

Ato: common questions

Is Ato MCP server safe?
Yes, by our scan: it is graded A (86/100). Read the Ato safety report
How do I install Ato?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Ato need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Ato maintained?
The last commit was 39 days ago (2026-08-16). The latest release is v0.8.31.

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