Excel spreadsheet creation and editing with formulas, formatting, and data analysis.
/plugin marketplace add dev-jelly/jelly-dotclaude/plugin install jelly-xlsx@jelly-skillsPayload Development plugin - covers collections, fields, hooks, access control, plugins, and database adapters.
ETL pipeline construction, data warehouse design, batch processing workflows, and data-driven feature development
Business metrics analysis, KPI tracking, financial reporting, and data-driven decision making
Database migration automation, observability, and cross-database migration strategies