KRR helps Kubernetes users optimize resource allocation by analyzing Prometheus metrics and generating actionable recommendations. This Python tool integrates with kube-prometheus-stack or Robusta’s embedded Prometheus.
OpenCost provides real-time Kubernetes cost allocation across multi-cloud environments, exposing data via MCP server for AI agents. Helm-only install on K8s 1.20+.
x509-certificate-exporter uses Kubernetes informers to watch X.509 certificates at scale, avoiding polling overhead and integrating with Prometheus for alerting on renewal and expiration.
macmon is a Rust CLI tool that monitors Apple Silicon power consumption without root, using private macOS APIs. It offers TUI, JSON, and HTTP server modes, plus Prometheus integration.
Updo is a Go CLI tool for uptime monitoring that runs distributed checks across 13 AWS Lambda regions. It supports multi-target, concurrent HTTP checks with Prometheus integration and flexible output modes.