with one click
useful
useful contains 2 collected skills from jaredlander, with repository-level occupation coverage and site-owned skill detail pages.
Skills in this repository
Review code written by Claude Code or humans across multiple languages. Use when asked to review, audit, critique, or analyze code quality. Supports R, Python, SQL, C++, Rust, Go, Ansible, Kustomize/Kubernetes, Dockerfiles, Docker Compose, and Bash. Covers correctness, security, performance, testing, documentation, and architecture. Produces actionable output for Claude Code to fix issues plus human-readable REVIEW.md summaries.
R-first data science and statistical analysis with SQL as secondary language. Use when the user asks to analyze data in R, write R scripts, create tidyverse pipelines, build statistical models, work with time series (fable/tsibble), run machine learning workflows (tidymodels), query databases from R (DuckDB, dbplyr), build reproducible pipelines (targets), or parallelize computations (crew/mirai). Triggers on R, tidyverse, dplyr, ggplot2, targets, tidymodels, DuckDB, time series forecasting, or statistical modeling requests.