Qotien — French tax & retirement
**Qotien** — sourced, dated calculation API for French personal **tax** and **retirement**, over MCP. The engine never guesses: every result carries a confidence level, its legal sources (CGI / BOFiP) and the fiscal year. **Fiscal** (deterministic): income tax (2026 barème, quotient familial, décote), IFI, capital gains, PER deductibility, CEHR/CDHR, prélèvements sociaux. **Retraite** (framed estimate): pension by scheme in points across 30+ funds — Agirc-Arrco, Ircantec, R
Qotien — French tax & retirement
**Qotien** — sourced, dated calculation API for French personal **tax** and **retirement**, over MCP. The engine never guesses: every result carries a confidence level, its legal sources (CGI / BOFiP) and the fiscal year. **Fiscal** (deterministic): income tax (2026 barème, quotient familial, décote), IFI, capital gains, PER deductibility, CEHR/CDHR, prélèvements sociaux. **Retraite** (framed estimate): pension by scheme in points across 30+ funds — Agirc-Arrco, Ircantec, RCI, RAFP, the CNAVPL libéral bases and the complementary/ASV schemes (CARMF, CIPAV, CARPIMKO, CARCDSF, CAVEC…), gross → net. 10 tools (fiscal_* + retraite_*). Remote, Streamable HTTP, no auth, no secret.
Installation
Specs
| Type | MCP server |
| Section | MCP servers |
| Pricing | free |
| Platform | Command line |
| Systems | cli, api |
| Hosting | cloud |
| Install | mcp |
| Protocols | mcp |
| Site language | en |
| Vendor | herve-59d0 |
