A2a protocol
Skill mckinsey/agents-at-scale-ark/.claude/skills/a2a-protocol
Provider-agnostic operations for agentic resources. ARK codifies patterns and practices developed across dozens of agentic application projects.From the repository description
npx -y skills add mckinsey/agents-at-scale-ark --skill a2a-protocolAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.