PROHIBITS placeholder code, default values that mask missing data, and silent failures. Enforces fail-fast with loud errors. Use when implementing ANY function or data structure.
Install
npx skills add mkreyman/bmad-elixir --skill elixir-no-placeholdersnpx skills add mkreyman/bmad-elixir --skill elixir-no-placeholders -a claude-code -gnpx skills add mkreyman/bmad-elixir --skill elixir-no-placeholders -a codex -ggemini skills install https://github.com/mkreyman/bmad-elixir.git --path priv/skills/elixir-no-placeholdersgh skill install mkreyman/bmad-elixir elixir-no-placeholdersgit clone --depth 1 https://github.com/mkreyman/bmad-elixir /tmp/mkreyman__bmad-elixir
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mkreyman__bmad-elixir/priv/skills/elixir-no-placeholders ~/.claude/skills/elixir-no-placeholders # Claude Code
cp -R /tmp/mkreyman__bmad-elixir/priv/skills/elixir-no-placeholders ~/.agents/skills/elixir-no-placeholders # Codex, Cursor, Gemini CLI, Copilot, OpenCode