Mackerel Mackerel is a SaaS platform for infrastructure and application monitoring. It's used by DevOps engineers and SREs to visualize server metrics, detect anomalies, and automate incident response. Official docs: https://mackerel.io/docs/entry/api Mackerel Overview - Service - Metric - Host - Check Report - AWS Integration - Dashboard - Alert Group - Alert Use action names and parameters as needed. Working with Mackerel This skill uses the Membrane CLI to interact with Mackerel. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration log…