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monitoring-skill

@pluginagentmarketplace/custom-plugin-devops
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Monitoring and observability with Prometheus, Grafana, ELK Stack, and distributed tracing.

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1Download skill
2Enable skills in Claude

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Note: Please verify skill by going through its instructions before using it.

SKILL.md

name monitoring-skill
description Monitoring and observability with Prometheus, Grafana, ELK Stack, and distributed tracing.
sasmp_version 1.3.0
bonded_agent 06-monitoring-observability
bond_type PRIMARY_BOND
parameters [object Object], [object Object]
retry_config [object Object]
observability [object Object]

Monitoring & Observability Skill

Overview

Master the three pillars of observability: metrics, logs, and traces.

Parameters

Name Type Required Default Description
pillar string No all Observability pillar
tool string No prometheus Tool focus

Core Topics

MANDATORY

  • Prometheus metrics and PromQL
  • Grafana dashboards
  • ELK Stack basics
  • SLIs, SLOs, error budgets
  • Alerting rules

OPTIONAL

  • Distributed tracing
  • OpenTelemetry
  • Custom exporters
  • Log correlation

ADVANCED

  • High cardinality handling
  • Recording rules
  • Federation
  • Continuous profiling

Quick Reference

# PromQL
sum(rate(http_requests_total[5m])) by (service)
histogram_quantile(0.99, rate(http_request_duration_seconds_bucket[5m]))
100 * sum(rate(http_requests_total{status=~"5.."}[5m])) / sum(rate(http_requests_total[5m]))

# Prometheus API
curl http://localhost:9090/api/v1/targets
curl 'http://localhost:9090/api/v1/query?query=up'
curl -X POST http://localhost:9090/-/reload

# Alertmanager
amtool silence add alertname="HighLatency" --duration=2h
amtool alert

SRE Golden Signals

Signal Metric
Latency histogram_quantile(0.99, ...)
Traffic sum(rate(requests_total[5m]))
Errors rate(errors_total[5m])
Saturation node_memory_MemAvailable_bytes

Troubleshooting

Common Failures

Symptom Root Cause Solution
No data Scrape failing Check targets page
Alert not firing PromQL error Test in UI
High cardinality Too many labels Reduce labels
Slow queries Too much data Add aggregation

Debug Checklist

  1. Check targets: /targets
  2. Test query in UI
  3. Check logs: journalctl -u prometheus
  4. Verify time sync (NTP)

Recovery Procedures

Prometheus OOM

  1. Check cardinality
  2. Reduce retention
  3. Add federation

Resources