Claude Skills by elderengineer

Organizes and processes personal tax documents to generate accurate, tax reports and drafts. Use when user uploads or describes tax forms (W-2, 1099s, K-1s, 1098), mentions rental properties, royalties, partnerships/S-corps, business expenses, donations, or needs Schedule E drafts. Handles complex income sources, expense matching, per diem optimization, and charitable receipt identification.

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas