Creates, updates, or reviews a project's gen-env command for running multiple isolated instances on localhost. Handles instance identity, port allocation, data isolation, browser state separation, and cleanup.
$npx -y skills add aiskillstore/marketplace --skill gen-envInstalls into the current project.
Run `npx skills use "https://github.com/aiskillstore/marketplace" --skill "aiskillstore/marketplace/gen-env"` 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/aiskillstore/marketplace" that are relevant to the current task. Run `npx skills add "https://github.com/aiskillstore/marketplace"` and select the relevant skills, then follow their instructions.