B2c mrt
Skill SalesforceCommerceCloud/b2c-developer-tooling/skills/b2c-cli/skills/b2c-mrt
B2C CLI, VSCode Extension, Skills+MCP, and Tooling SDK for Salesforce Agentforce Commerce B2CFrom the repository description
npx -y skills add SalesforceCommerceCloud/b2c-developer-tooling --skill b2c-mrtAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.