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
npx skills add https://github.com/appautomaton/document-skills/tree/main/skills/xlsxComprehensive 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
This repo contains 1 individual skill — each has its own dedicated page.
Fellow: experimentation engine — runs controlled benchmark experiments to validate skill improvements.
Turn a scientific paper PDF into a presentation slide deck. An Antigravity / Claude Code agent skill.
Cell-cell communication analysis skill for AI coding agents — LIANA+, CellPhoneDB, CellChat, NicheNet, COMMOT
Apply structured scientific reasoning to AI agents to decompose questions, verify claim provenance, and rank explanations by evidence strength.
Local quality-gate workflow for AI-assisted coding on Claude Code, with optional Codex CLI compatibility.
Lattice-based cryptanalysis playbook. Use when attacking RSA via Coppersmith small roots, recovering DSA/ECDSA nonces from bias, solving knapsack problems, or applying LLL/BKZ reduction to cryptographic constructions.