The source material is empty, so I can only work from the name. This appears to handle monitoring and diagnostics for Azure infrastructure. You'd reach for it when you need to set up Application Insights, query Log Analytics workspaces, or configure alerts and metrics across your Azure resources. The reality of Azure observability is that it's fragmented across multiple services, so having a skill that knows the terrain could save you from clicking through the portal or writing repetitive Azure CLI commands. Whether it integrates well with existing monitoring workflows or just automates the basics is unclear without more details, but the premise is solid for anyone running production workloads on Azure.
npx skills add https://github.com/microsoft/github-copilot-for-azure --skill azure-observability