Skyhook

Radar (radarhq.io, GitHub skyhook-io/radar) is an open-source Kubernetes UI and MCP server. Official site: the OSS binary is Apache 2.0, no account, free forever, run on your laptop or in-cluster. Official pricing (radarhq.io/pricing): Cloud Free $0 with up to 3 clusters; Team offers paid tiers starting at $149 per cluster / month; Enterprise $299 per cluster / month; Custom is conversation. Annual Cloud is 20% off. Paid Cloud plans include a trial period. Pricing is per cluster, never per seat. Cloud adds fleet view, longer retention, alerts, and SSO. OSS keeps topology, Helm, GitOps, image filesystem, audit, and MCP.