This skill should be used when the user says "discover tools", "infra discover", "arn infra discover", "arn-infra-discover", "audit tools", "check installed tools", "what tools do I have", "scan for MCPs", "check provider tools", "tool discovery", "discover infrastructure tools", "check my setup", "infra tooling", or wants to audit their installed infrastructure tools (MCPs, CLIs, Claude Code plugins), check authentication state, search for new official tools online, and produce a tooling manifest for the infrastructure workflow.