Institutional-grade Business Analysis skills for Claude. Methodology-grade outputs grounded in BABOK and real delivery experience. Includes four plugins: Capability Mapping (MECE 4-level hierarchy), Concept Model (Capsicum Triad classification), Value Stream Analysis (staged delivery mapping), and a full PlausibleBA orchestrator that runs all three in one guided session. Every skill produces a professional XLSX artefact and interactive HTML visualisation.