Draw business diagrams as real .svg files — process flows, client onboarding journeys, swimlanes, decision trees, org charts, timelines, journey maps, quadrants — in your brand colors, sized so the text actually fits its box, with every step taken from what you said and anything you did not say left as a marked placeholder instead of invented.
Install
npx skills add b12io/b12-plugins --skill diagram-buildernpx skills add b12io/b12-plugins --skill diagram-builder -a claude-code -gnpx skills add b12io/b12-plugins --skill diagram-builder -a codex -ggemini skills install https://github.com/b12io/b12-plugins.git --path plugins/diagram-builder/skills/diagram-buildergh skill install b12io/b12-plugins diagram-buildergit clone --depth 1 https://github.com/b12io/b12-plugins /tmp/b12io__b12-plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/b12io__b12-plugins/plugins/diagram-builder/skills/diagram-builder ~/.claude/skills/diagram-builder # Claude Code
cp -R /tmp/b12io__b12-plugins/plugins/diagram-builder/skills/diagram-builder ~/.agents/skills/diagram-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode