Composer conventions for any PHP project: dependency management, version constraints, PSR-4 autoloading, scripts, platform requirements, and the composer.json vs composer.lock contract. Stack-agnostic — referenced by every PHP plugin in the marketplace.
$npx -y skills add aratkruglik/claude-sdlc --skill composer-toolingInstalls into the current project.
Run `npx skills use "https://github.com/aratkruglik/claude-sdlc" --skill "aratkruglik/claude-sdlc/composer-tooling"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/aratkruglik/claude-sdlc" that are relevant to the current task. Run `npx skills add "https://github.com/aratkruglik/claude-sdlc"` and select the relevant skills, then follow their instructions.