Skill Claude CodeCodex
Use when the user is explicitly working with Quarto, .qmd files, quarto.yml, Quarto projects, or Quarto features such as callouts, cross-references, citations, Mermaid diagrams, extensions, websites, books, presentations, and reports. Also use for explicit migration from or comparison with R Markdown, bookdown…
Skill Claude CodeCodex
Comprehensive R package for command-line interface styling, semantic messaging, and user communication. Use this skill when working with R code that needs to: (1) Format console output with inline markup and colors, (2) Display errors, warnings, or messages with cliabort/cliwarn/cliinform, (3) Show progress indicators…
Skill Claude CodeCodex
Prepare R packages for CRAN submission by checking for common ad-hoc requirements not caught by devtools::check(). Use when: (1) Preparing a package for first CRAN release, (2) Preparing a package update for CRAN resubmission, (3) Reviewing a package to ensure CRAN compliance, (4) Responding to CRAN reviewer feedback.…
Skill Claude CodeCodex
Guidance for managing R package lifecycle according to tidyverse principles using the lifecycle package. Use when: (1) Setting up lifecycle infrastructure in a package, (2) Deprecating functions or arguments, (3) Renaming functions or arguments, (4) Superseding functions, (5) Marking functions as experimental, (6)…
Skill Claude CodeCodex
Help users write correct R code for async, parallel, and distributed computing using mirai. Use when users need to run R code asynchronously or in parallel, write mirai code with correct dependency passing, set up parallel workers, convert from future or parallel, use miraimap, integrate with Shiny or promises, or…
Skill Claude CodeCodex
Build command-line apps in R using the Rapp package. Use when creating a CLI tool in R, adding argument parsing to an R script, turning an R script into a command-line app, shipping CLIs in an R package, or using Rapp (the alternative Rscript front-end). Also use for shebang scripts, exec/ directory in R packages, or…
Skill Claude CodeCodex
R package development with devtools, testthat, and roxygen2. Use when the user is working on an R package, running tests, writing documentation, or building package infrastructure.
Skill Claude CodeCodex
Best practices for writing R package tests using testthat version 3+. Use when writing, organizing, or improving tests for R packages. Covers test structure, expectations, fixtures, snapshots, mocking, and modern testthat 3 patterns including self-sufficient tests, proper cleanup with withr, and snapshot testing.
Skill Claude CodeCodex
Advanced theming for Shiny apps using bslib and Bootstrap 5. Use when customizing app appearance with bstheme(), Bootswatch themes, custom colors, typography, brand.yml integration, Bootstrap Sass variables, custom Sass/CSS rules, dark mode and color modes, dynamic theme switching, real-time theming, theme inspection…
Skill Claude CodeCodex
Build modern Shiny dashboards and applications using bslib (Bootstrap 5). Use when creating new Shiny apps, modernizing legacy apps (fluidPage, fluidRow/column, tabsetPanel, wellPanel, shinythemes), or working with bslib page layouts, grid systems, cards, value boxes, navigation, sidebars, filling layouts, theming…
Instructions file CodexOpenCode
AGENTS.md instructions for posit-dev/mcptools, a project described as: Model Context Protocol For R.
Instructions file
Claude Code instructions for posit-dev/mcptools, a project described as: Model Context Protocol For R.
Instructions file CodexOpenCode
AGENTS.md instructions for posit-dev/btw, covering btw, quick reference, purpose and design philosophy, key design decisions and how it works.
Skill Claude CodeCodex
Use the btw CLI to access R documentation, manage R package development, query CRAN, inspect the R environment, and discover or fetch skills from the command line. Use when you need to: (1) read R help pages or vignettes, (2) run R CMD check, tests, or devtools::document(), (3) search CRAN for packages, (4) check…
Skill Claude CodeCodex
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Skill Claude CodeCodex
Validate blog post frontmatter and placement.
Skill Claude CodeCodex
Scaffold a new blog post with inferred frontmatter, branch, and optional environment setup.
Skill Claude CodeCodex
Review a blog post's content against its frontmatter and the authoring guide.
Instructions file
Instructions for posit-dev/open-source-website, covering posit open source website and content areas.
Skill Claude CodeCodex
Use when adding Playwright tests that verify a component's example apps under components/ actually run and behave — covers the shared components/conftest.py smoketest fixture, createexamplefixture, per-component test .py layout, and py-shiny controller interaction tests. Reuses py-shiny's public testing API; no custom…
Skill Claude CodeCodex
Use when adding or editing a component documentation page under components/ in py-shiny-site (inputs, outputs, display-messages, layout) — covers the directory layout, index.qmd front matter, app-.py preview/example files, shinylive link generation, and sidebar registration.
Instructions file
Instructions for posit-dev/py-shiny-site, covering claude.md, project overview, commits and pull requests, development commands and initial setup.