PART 3: Customize Your Development Guidelines
Install
npx skills add mindfold-ai/Trellis --skill onboardnpx skills add mindfold-ai/Trellis --skill onboard -a claude-code -gnpx skills add mindfold-ai/Trellis --skill onboard -a codex -ggemini skills install https://github.com/mindfold-ai/Trellis.git --path src/templates/codex/skills/onboardgh skill install mindfold-ai/Trellis onboardgit clone --depth 1 https://github.com/mindfold-ai/Trellis /tmp/mindfold-ai__Trellis
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mindfold-ai__Trellis/src/templates/codex/skills/onboard ~/.claude/skills/onboard # Claude Code
cp -R /tmp/mindfold-ai__Trellis/src/templates/codex/skills/onboard ~/.agents/skills/onboard # Codex, Cursor, Gemini CLI, Copilot, OpenCode