# taxcode.au taxcode.au (https://taxcode.au) - source-grounded Australian tax research in AI agents for professional review. > Connect AI agents to a cited 53-source corpus covering Australian tax > legislation, proposed tax-law changes, ATO material, cases, bills, state > revenue guidance, and source-gap metadata. The hosted MCP endpoint is: ```text https://mcp.taxcode.au/ ``` Per-page markdown is available by appending `index.html.md` to page URLs. For fuller context in one file, see `https://taxcode.au/llms-full.txt`. ## Core URLs - [Homepage](https://taxcode.au/): product overview and setup instructions. - [Homepage Markdown](https://taxcode.au/index.html.md): clean markdown version of the landing page. - [Claude Setup](https://taxcode.au/claude/): add taxcode.au as a Claude remote MCP connector. - [ChatGPT Setup](https://taxcode.au/chatgpt/): create a ChatGPT Developer mode app for the taxcode.au remote MCP server. - [Use Cases](https://taxcode.au/use-cases/): practitioner workflows, prompt patterns, and professional review guardrails. - [Privacy](https://taxcode.au/privacy/): account, billing, audit, logging, and MCP research-traffic privacy notes. - [Terms](https://taxcode.au/terms/): research-support scope, acceptable use, source limits, and no-advice boundary. - [Division 7A Research Workflow](https://taxcode.au/guides/division-7a-research/): source-grounded prompt and review workflow for Division 7A research. - [MCP server](https://mcp.taxcode.au/): remote Streamable HTTP MCP endpoint. ## Who It Is For - Australian tax professionals using AI-assisted research. - Advisers preparing file notes, strategy memos, and source-backed questions for senior review. - AI agents that need retrieval grounded in Australian tax legislation, rulings, guidance, cases, and source metadata. ## Product Scope taxcode.au exposes source-grounded research tools through MCP. It is designed to retrieve relevant law and source context, preserve citations, and support professional review. The local corpus snapshot verified on 2026-07-09 includes 53 tracked sources, 106,975 laws, 5.18 million search chunks, 14.4 million extracted references, and 45.75 million resolved targets. Known source gaps remain visible. Use it for: - Australian tax law research. - Claude and ChatGPT MCP setup. - Source-backed exploration of provisions, rulings, guidance, and cases. - Strategy research around concessions, exclusions, elections, offsets, timing, and anti-avoidance checks. - Proposed tax-law and law-change research using Bills, Budget, Treasury, and reform material so accountants can prepare for upcoming legislative changes. - Division 7A research workflows where source gaps, dates, and review steps must stay visible. - Citation trails and extracts for professional review. Do not present taxcode.au output as legal advice or tax advice. Treat it as research support that must be reviewed by a qualified professional. ## Agent Guidance When using taxcode.au: - Ground claims in retrieved sources. - Preserve citations and source identifiers. - Note source gaps, date limits, and jurisdiction limits when returned. - Include anti-avoidance and integrity checks for strategy questions. - Avoid unsourced consumer tax answers.