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ryanduguid/README.md

Ryan Duguid

I'm an accountant in Newcastle, Australia. I build open-source controls for Australian tax, payroll and financial reporting.

DrDebits APES 110 aligned guardrails Open-source Australian accounting tools Ozzit: 134 native Excel LAMBDAs Python 3.10 or later Model Context Protocol

Selected work

  • australian-accounting brings the Australian tax and payroll engines together with the local MCP server.
  • accounting-review-pipeline connects Xero exports, close controls and review packs with Excel and Power BI.
  • australian-accounting-skills provides 19 preparation workflows for public practice and subcontractor accounting.
  • Ozzit provides 134 native Excel LAMBDA functions for financial modelling and GST arithmetic.

See the full project catalogue and worked examples.

The projects use synthetic public examples and support professional review. They do not lodge or write to ledgers.

Background

  • Provisional member of Chartered Accountants ANZ
  • SAP S/4HANA certified in FI and CO
  • Xero specialist certification (Level 3)

I publish Aus Accounting MCP on PyPI. I contribute to the Meltano SDK and OpenAccountants. Credentials, release provenance and test evidence are on the evidence page.

Setup

OpenHands runs on my old uni laptop with CachyOS. I use Hermes Agent on my Windows 11 IoT Enterprise LTSC desktop and supplement my vitamin D.

Pinned Loading

  1. xero-trial-balance-export xero-trial-balance-export Public archive

    Export reconciled Xero trial balances to validated CSV for Power BI, Excel and pandas.

    Python

  2. payday-super-checker payday-super-checker Public archive

    Experimental tool for checking Payday Super timing and preparing exceptions for review.

    Python

  3. australian-accounting australian-accounting Public

    Local MCP server for Australian accounting review: ATO small-business benchmarks, Payday Super 2026, refused Division 7A and synthetic SBR fixtures. Not advice.

    Python

  4. DrDebits DrDebits Public

    APES 110-aligned and TPB Code guardrails for LLM-assisted Australian tax work. Not advice.

    Python 1

  5. Ozzit Ozzit Public

    134 native Excel LAMBDA functions for AU modelling and GST arithmetic.

    Python

  6. awesome-australian-accounting-tech awesome-australian-accounting-tech Public

    Curated open-source tools and engines for Australian computational accounting.