Analyze cluster health
Agent capability that loads only when the task needs it. The Skills layer of QA Veritas.
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Turn a cluster health snapshot into a verdict, degraded components, and the next checks worth running. Use for health questions and pre/post-change checks.
SKILL.md
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analyze_cluster_health
Purpose
A health endpoint returns a wall of JSON. Convert it into a single verdict (healthy / degraded / down), name the components that are actually broken, and point at the next check — don't recite every field.
Inputs
health_snapshot_json— overall status, per-node status, replica / shard / quorum counts, pending tasks.node_list(optional) — expected membership, to catch a node that silently dropped out.
Outputs
overall_verdict, quorum status, degraded_components (with the
specific issue and how long), next_checks, and a confidence level.
Prompt template
State the verdict in one word and justify it. Check quorum / control-plane availability first — a degraded data plane with intact quorum is recoverable; lost quorum is an emergency. List only genuinely degraded components. A node missing from the snapshot entirely is worse than one reporting unhealthy. Recommend the next 1-3 localizing checks. Diagnose only; do not remediate here.
Examples
- One node NotReady, replicas unassigned, quorum intact → degraded, not down; next check is the node, then allocation.
- Two of three control-plane nodes unreachable → down, quorum lost; escalate.