app.doubletaxation/doubletaxation · v1.0.0 · finance-and-payments
DoubleTaxation is healthy: it completed an MCP handshake in 1129 ms and exposes 4 tools.
Tax residence between two countries: treaty tie-breaker, taxes, legal sources, per-income rules.
Endpoint: https://doubletaxation.app/api/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 4 |
| Latency | 1129 ms |
| Last checked (UTC) | 2026-11-05T02:50:43.805Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-11-05T02:50:43.805Z | Healthy | 1129 |
list_versions | Lists the 12 versions of DoubleTaxation. Each version is written for taxpayers of one home state (in its language) and compares it with 20 other countries. Call this first if you are not sure which version fits the user. |
list_countries | Lists the countries that can be checked against the home state of a version: whether a tax treaty is in force (title, dates, link), whether per-income treaty rules and tax burden data exist, plus the allowed citizenship options and years for check_residency. |
check_residency | Determines the person's tax residence between the version's home state and another country, step by step. Without all answers it returns status "needs_answer" and the next question (id, text, options); ask the user and call again with all answers collected so far. When complete it returns status "do |
tax_burden | Income tax and social contributions on an annual salary in one or more countries (OECD Taxing Wages method: single person, no children, full-year employee). Returns net pay, personal rate, tax wedge and marginal rate, sorted from lowest to highest personal rate. For up to 3 countries also the line-b |