Everything Is Green and Nothing Works: Network Reachability in Radar
Pods Ready, Service green, curl times out. Radar's Reachability tab traces the declared network path and live-probes it, naming the first hop that breaks.
Radar Blog9 min read
Radar
455 stories
Kubernetes Events Expire in an Hour. Your Incidents Don't.
Kubernetes events expire after one hour by default, and many of the changes that cause incidents never become events at all. How to keep history that survives.
Radar Blog11 min read
Read-Only Is Not a Safety Boundary
Two sentences get said in every meeting where a team wires an AI agent into a cluster: it's read-only, and just use the service account. Both are wrong later.
Radar Blog15 min read
We Build a Kubernetes Dashboard. AI Agents Might Make It Obsolete.
The honest bear case against our own product: if agents operate the cluster, who needs the UI? Here's what actually dies, and the job that gets bigger.
Radar Blog13 min read
Radar MCP vs kubectl: A Kubernetes Agent Benchmark on 50 Faults
The same model diagnosed 50 live Kubernetes faults 3x faster on average through Radar's MCP server than through raw kubectl, with slightly higher accuracy. What we measured, why it happens, and where Radar still loses.
Radar Blog9 min read
The 3am Test: Autonomy Levels for AI Agents in Kubernetes Operations
Kubernetes already fixes things at 3am without asking. Six levels for deciding what an AI agent gets to do in your cluster - and what should still wake you.
Radar Blog15 min read
Radar v1.8: Applications, Rebuilt Navigation, and Helm Upgrade Tracking
Radar v1.8 adds an Applications view, rebuilt navigation and search, richer Helm operations, large-cluster performance improvements, and Prometheus over MCP.
Radar Blog3 min read
MCP for Kubernetes: Live Cluster Context for AI Tools
Pointing an AI at raw kubectl works, badly. Radar's built-in MCP server gives Claude, Cursor, and friends a token-optimized, RBAC-aware view of your cluster.
Radar Blog9 min read
Migrating from Lens and OpenLens in 2026
A practical migration guide for Lens and OpenLens users: what changed, when to move, and how to switch to Freelens, Headlamp, k9s, or Radar.
Radar Blog7 min read
The Best Kubernetes Dashboards in 2026 (Including Our Competitors)
Seven Kubernetes UIs ranked by use case, plus a sourced capability matrix covering sixteen - by a team that builds one of them. Every claim dated and linked.
Radar Blog14 min read
SSO and RBAC Without Passing Around Kubeconfigs
A contractor needs read-only access to one staging cluster by Monday. Without SSO and scoped RBAC, that ticket bounces for a week. Here's how Radar Cloud collapses it.
Radar Blog7 min read
Why We Priced Radar Per Cluster, Not Per Seat
Per-seat pricing punishes a visibility tool's whole point: more eyes. The five pricing models we compared, why per-cluster won, where it's a worse deal.
Radar Blog8 min read
Why Radar Cloud Doesn't Cache Your Cluster State
Most multi-cluster dashboards copy your cluster state into a backend cache. Radar Cloud doesn't. Here's why the reverse-proxy model is the right call.
Radar Blog8 min read
Agents, UIs, and CLIs: The False Choice in Kubernetes Operations
Kubernetes ops spans three surfaces: CLI, UI, and AI agent. kubectl is fine, but a live cluster graph deserves better than raw YAML - for humans and agents alike.
Radar Blog11 min readRadar's In-Cluster Architecture: Outbound-Only, Scoped, Live by Default
How Radar's in-cluster install works: outbound-only TLS, read-only RBAC by default, ~32MB RSS. The five questions every platform team asks, answered.
Radar Blog12 min read
Radar OSS or Radar Cloud? An Honest Take on When to Use Each
The most common question in our GitHub issues: do I need Radar Cloud, or is OSS enough? Here's the honest answer, with the five questions that actually decide it.
Radar Blog8 min read
Introducing Radar Cloud: Multi-Cluster Kubernetes Visibility for Teams
Radar Cloud is the team layer on top of Radar OSS: fleet views, Google and GitHub sign-in on every plan, K8s-native RBAC via impersonation. Current cluster state is read live, not replicated.
Radar Blog13 min read
Five Questions You Can't Answer With kubectl
kubectl hands you one object at a time, as raw YAML. Here are five questions - relationships, isolation, image contents, history, posture - where that runs out of road.
Radar Blog9 min read
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