What problem does it solve? Brazilian social security (previdenciário) calculations involve overlapping legal regimes, five EC 103/2019 transition rules, and shifting monetary correction indexes, making manual computation error-prone and hard to defend in court. This Skill structures the entire calculation workflow so lawyers produce auditable, legally grounded results. ## Core Features & Use Cases - Contribution Time & Carencia Analysis: Computes gross time, special-time conversion (Tema 1041 STJ), concurrent employment, rural time, and carencia separately per Lei 8.213/91. - RMI (Initial Benefit Amount) Calculation: Applies the correct rule across pre-Lei 9.876/99, Lei 13.846/2019, EC 103/2019 permanent rule, and all five transition rules, selecting the most beneficial option for the insured. - Judgment Liquidation: Computes overdue installments with IPCA-E correction through 12/2021 and SELIC afterward (Lei 14.439/2022), attorney fees per Sumula 111 STJ, and RPV vs. precatorio routing. - Use Case: A lawyer receives a client's CNIS extract and needs to determine the best retirement rule under EC 103/2019; the Skill walks through regime mapping, time counting, all five transition rules, and produces a detailed calculation report with a self-attack audit. ## Quick Start Ask the assistant to calculate the contribution time and RMI for a client using their CNIS data, specifying the benefit type and filing date.