| What it does | Read-only SQL over Australian electricity and gas market data for organisations serving many clients from their own software and AI agents
| Free Australian tax API and MCP server for AI agents
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| Stage | Not given
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| Founded | Not given
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| Based in | AU
| AU
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| Pricing model | Free trial
| Open source
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| Pricing | Free 30-day trial with 10 hours of query time. AUD 467.50 a month including GST, or AUD 4,990 a year including GST.
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| Key features | - Read-only DuckDB SQL queries over HTTPS
- OAuth client credentials for API authentication
- Multiple credential sets per organisation
- Five-minute interval electricity dispatch data since January 2019
- Public OpenAPI description and table schemas
- Daily refreshed market data from AEMO
- Statements limited to 300 seconds maximum runtime
| - Take-home pay calculator for Australian salaries and hourly rates
- PAYG withholding calculation using ATO Schedule 1 formulas
- Bonus and commission withholding calculation
- Annual tax estimate with offsets and Medicare levy
- Superannuation guarantee calculation at 12%
- ABN, ACN and TFN validation using check-digit algorithms
- MCP server integration for Claude, ChatGPT and Cursor
- JSON API accessible without sign-up or API key
- Open-source JavaScript npm library with no dependencies
- Tax rates and thresholds for 2025–26, 2026–27 and 2027–28
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| What makes it different | - No infrastructure to host or pipeline to maintain
- AI agents can write SQL autonomously using public schemas and descriptions
- Built for organisations serving multiple clients and systems from one account
- Five-minute interval data with deep historical coverage since 2019
- Separate revocable credentials per system within an organisation
| - Uses ATO's own published formulas, not model memory
- Tested against all 432 ATO sample rows for each tax year
- No sign-up, API key or authentication required
- Open-source code available on GitHub
- Free for reasonable use with no storage of amounts entered
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 0 |
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| Referring domains (Majestic) | 0 | 0 |
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