Write and test DAX queries against Power BI semantic models. Covers DAX syntax rules, query patterns, time intelligence, and an iterative test workflow using the Fabric CLI query command.
Install
npx skills add microsoft/rayfin --skill dax-authoringnpx skills add microsoft/rayfin --skill dax-authoring -a claude-code -gnpx skills add microsoft/rayfin --skill dax-authoring -a codex -ggemini skills install https://github.com/microsoft/rayfin.git --path samples/data-app/.agents/skills/dax-authoringgh skill install microsoft/rayfin dax-authoringgit clone --depth 1 https://github.com/microsoft/rayfin /tmp/microsoft__rayfin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__rayfin/samples/data-app/.agents/skills/dax-authoring ~/.claude/skills/dax-authoring # Claude Code
cp -R /tmp/microsoft__rayfin/samples/data-app/.agents/skills/dax-authoring ~/.agents/skills/dax-authoring # Codex, Cursor, Gemini CLI, Copilot, OpenCode