Chart master
Skill yennanliu/InvestSkill/plugins/us-stock-analysis/skills/chart-master
US stock analysis skills for LLMs (Claude code, Gemini ...) | #AIFrom the repository description
npx -y skills add yennanliu/InvestSkill --skill chart-masterAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.