
Open-source tax computation rules, verified by accountants, for AI agents and developers.

Product memo
Provides verified, open-source tax computation rules for AI agents and professionals. It helps individuals with accurate AI tax filing and gives developers drop-in skills for their products. Licensed accountants can verify rules, gain credibility, and earn from professional reviews, establishing a universal standard for AI-driven tax compliance across jurisdictions.
For who
AI agents, developers, accountants, and individuals
Solves what
Provides verified, open-source tax computation rules for AI agents and professionals.
- Open-source tax computation skills
- Verified by licensed accountants
- Works with any AI agent
In their own words
AI is computing the world's tax returns. Who checks the rules it follows?
OpenAccountants is an open library of tax-computation skills that AI agents follow instead of guessing — rates, thresholds, and law references written out and checked by licensed practitioners. Use a skill for your own taxes, build it into your product, or verify your jurisdiction and put your name on it.
Verified tax rules by country — checked by licensed accountants, jurisdiction by jurisdiction.
Commercial cues
Model
subscription
Free tier
No
Trial
No
Pricing Strategy
OpenAccountants uses contact-sales pricing through its Accountant Verification tier.
- • MCP integration ensures direct use for AI agents on a per-request basis.
- • Accountant Verification handles custom requirements.
- • Public prices are not listed.
Operator context
Operating setup
Founded
Apr 2026
Platform
API
Audience
Developers
Social footprint
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About Open Accountants Expand
OpenAccountants provides a library of open-source tax computation rules, or 'skills,' that are verified by licensed accountants. This ensures AI agents can accurately calculate taxes across various jurisdictions.
The platform serves individuals seeking accurate AI tax filing, developers needing reliable tax logic for their products, and accountants who verify rules and earn from professional reviews. This collaborative model aims to establish a universal standard for AI-driven tax compliance, leveraging real law references and jurisdiction-specific expertise to build trust and accuracy in automated tax processes.



