The open rules layer
Browse the open tax and accounting skills that power OpenAccountants workflows. Each skill is designed to be cited, inspectable, machine-readable, and usable by AI agents. Some are source-cited drafts. Some have named accountant review. All are part of the open rules layer.
The rules are open. The trust layer shows who reviewed them.
1754 skills · 674 matching · 242 jurisdictions
Licensed accountant? Help build your country's tax rules.
1754 open skills across 242 jurisdictions. Verified by a licensed accountant in 20 countries. Download your country's workbook, review in Excel, get named on the site and in our MCP integrations.
20 jurisdictions with a lead verifier · 222 open for contributors
| Cameroon Income Tax -- IRPP |
| Gabon Corporate Income Tax |
| Eswatini Corporate Income Tax |
| Timor-Leste Tax Overview |
| Timor-Leste Corporate Income Tax |
| pk-freelance-intake |
| Sao Tome and Principe Personal Income Tax |
| Chad Tax Overview |
| nc-corporate-tax |
| Seychelles Corporate Income Tax |
| San Marino Personal Income Tax |
| Gambia Tax Overview |
| br-freelance-intake |
| eg-freelance-intake |
| Gambia Personal Income Tax |
| Mali Tax Overview |
| Mauritania Personal Income Tax |
| Namibia Personal Income Tax |
| San Marino Corporate Income Tax |
| Mauritania Corporate Income Tax |
| Gambia Corporate Income Tax |
| Mali Personal Income Tax |
| Malawi Tax Overview |
| Guyana Corporate Income Tax |
| az-transaction-privilege-tax |
| Guinea Tax Overview |
| Equatorial Guinea Corporate Income Tax |
| Kyrgyzstan Tax Overview |
| Guinea-Bissau Tax Overview |
| Kyrgyzstan Personal Income Tax |
| Liberia Personal Income Tax |
| Liberia Tax Overview |
| Lesotho Corporate Income Tax |
| Libya Tax Overview |
| Madagascar Corporate Income Tax |
| Mali Corporate Income Tax |
| Macau Tax Overview |
| Malawi Personal Income Tax |
| pl-capital-gains |
| nd-corporate-tax |
| Lesotho Personal Income Tax |
| Madagascar Personal Income Tax |
| Somalia Personal Income Tax |
| sri-lanka-income-tax |
| Libya Corporate Income Tax |
| Madagascar Tax Overview |
| Niger Corporate Income Tax |
| Somalia Tax Overview |
| us-state-estimated-tax-safe-harbors-matrix |