open-source

Quarto authoring skill from Posit, extending Claude with specialized knowledge for creating Quarto documents, presentations, and scientific publications.

A skill for conducting rigorous, adversarial code reviews that identify security holes, lazy patterns, edge case failures, and bad practices across Python, R, JavaScript/TypeScript, SQL, and front-end code.

A collection of Claude Skills for Posit development teams, and open-source users including tools for tidyverse workflows.

A skill for creating and using brand.yml files for consistent branding across Shiny apps and Quarto documents, covering colors, fonts, logos, and corporate identity integration.

A shiny bslib skill from Posit's skills collection for R, Python, and data science development.

A Claude skill from Posit providing best practices for writing R package tests using testthat 3+, including test structure, expectations, fixtures, snapshots, mocking, and BDD-style testing patterns.

A Claude skill from Posit providing comprehensive guidance for using the cli R package, covering command-line interface styling, semantic messaging, user communication with inline markup, progress indicators, and theming.

A skill for researching codebases and creating architectural documentation with Mermaid diagrams and stable code references, from Posit's Claude Skills collection which includes code review, PR creation, and release management skills.

Part of Posit's Claude Skills collection, providing guidance for Shiny app theming with bslib including design system patterns and theme customization for R and Python Shiny applications.

A skill from Posit's Claude Skills collection for creating pull requests, part of a developer-focused skill set that includes critical code review, spec-driven development, and PR workflows.