publicdata.au

Australian government open data republished as CSV, Excel, JSON, Parquet, SQLite, Arrow, GeoJSON and GeoPackage at URLs that never change. Every release is a dated, immutable version with schema, provenance and a diff. Run by National Digital. No government agency has endorsed it.

Tools:

• Search datasets: Find the slug of a served dataset.
• Read a dataset: Read a served dataset's data package and full version history.
• List a dataset's fields: List a served dataset's fields, with their types, descriptions, ranges and values, before querying it.
• List partition files: List the download files that split a served dataset's newest version by one field, such as one file per year.
• Query rows: Read individual rows of a served dataset, filtered across the whole table.
• Count and sum rows: Count, sum, average, minimum or maximum rows of a served dataset across the whole table, grouped by up to three fields.
• Compare versions: Compare two consecutive versions of a served dataset row by row on its key fields, to see what a publisher changed between releases.
• Search government portals: Search every dataset listed on Australia's government portals, including the many publicdata.au does not serve yet.
• List the build backlog: List the datasets people have asked publicdata.au to build, most votes first.
• Vote for a dataset: Add one anonymous vote for a government dataset that publicdata.au does not serve yet, so it is built sooner.

The fields of one dataset by slug: types, the publisher's descriptions, ranges and the values each field holds. Find slugs with search_datasets or resources/list.

The MCP server records nothing about who calls it or what they ask. To keep the rate limit, it counts row tool calls per address in Cloudflare's cache for 10 seconds.