Generate and improve accessible alt text for data visualizations and images in R packages and Quarto documents. Use when the user wants to add, improve, or audit alt text for figures in a pkgdown site or .qmd files. Activate for requests that mention fig-alt, fig.alt, figure descriptions, or alt text in the context of an R package or Quarto document.
Install
npx skills add posit-dev/skills --skill alt-textnpx skills add posit-dev/skills --skill alt-text -a claude-code -gnpx skills add posit-dev/skills --skill alt-text -a codex -ggemini skills install https://github.com/posit-dev/skills.git --path alt-textgh skill install posit-dev/skills alt-textgit clone --depth 1 https://github.com/posit-dev/skills /tmp/posit-dev__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/posit-dev__skills/alt-text ~/.claude/skills/alt-text # Claude Code
cp -R /tmp/posit-dev__skills/alt-text ~/.agents/skills/alt-text # Codex, Cursor, Gemini CLI, Copilot, OpenCode