Observability Designer

Design production-ready observability strategies that combine the three pillars (metrics, logs, traces) with SLI/SLO frameworks, golden-signals monitoring, multi-window burn-rate alerting, and alert-noise optimization.

Core Capabilities

• SLI/SLO frameworks — select SLIs from the golden signals, map them to Prometheus expressions, set SLO targets by criticality tier, and compute error budgets.
• Burn-rate alerting — multi-window burn-rate rules with severity routing, hysteresis, suppression, and grouping to keep alert noise below 10%.
• Dashboard design — Grafana specs following the Overview > Service > Component > Instance hierarchy, ≤7 panels per screen, role-based views (SRE/Dev/Exec/Ops).
• Structured logging & tracing — JSON log format with correlation IDs, log-level discipline, and head/tail/adaptive trace sampling strategies.
• Runbooks & validation — runbook template per critical alert; coverage validation that every T1 service has metrics, logs, traces, and a runbook.
• Cost optimization — metric/log/trace retention tiers and cardinality management.

When to Use

• Instrumenting a new or existing production service.
• Defining SLOs and error budgets for a service tier.
• Tuning alert rules or reducing alert fatigue / alert storms.
• Designing Grafana dashboards or role-based views.
• Choosing a trace sampling strategy or structured log schema.

Clarify First

Before designing the observability strategy, confirm these inputs. If any is unknown or vague, ASK — do not assume:

• Service type & criticality tier — api / pipeline / storage / ML and T1–T3 (sets SLO targets, error-budget math, and slo_designer flags)
• User-facing vs internal — determines which golden signals become SLIs and how alert severity is routed
• Primary pain: alert noise vs coverage gaps — decides whether to optimize existing alerts or design new burn-rate rules
• Dashboard audience — SRE / Dev / Exec / Ops sets the role-based panel layout and hierarchy

Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.

Tools

Tool	Purpose	Command
slo_designer.py	Generate SLI/SLO framework, error budgets, and burn-rate alerts from a service definition	python scripts/slo_designer.py --service-type api --criticality high --user-facing true
alert_optimizer.py	Analyze alert configs for noise, coverage gaps, and duplicates; emit an optimization report	python scripts/alert_optimizer.py --input alerts.json --analyze-only
dashboard_generator.py	Produce Grafana-compatible dashboard JSON with golden signals and role-based views	python scripts/dashboard_generator.py --service-type api --name "Payment Service"

References

Load the reference that matches the task — keep this file lean and pull detail on demand:

• references/slo-and-alerting.md — the 8-step workflow, SLI/SLO quick reference, error-budget math, burn-rate alert windows, alert classification, alert-fatigue prevention, and golden signals. Read when designing SLOs or alerts.
• references/dashboards-logs-traces.md — dashboard design rules, structured log format, trace sampling strategies, the runbook template, a complete worked payment-service spec, and cost optimization. Read when building dashboards, logs, traces, or runbooks.
• references/tools-integration-and-troubleshooting.md — full per-script flag/output reference, the systems integration table (Prometheus/Grafana/Jaeger/PagerDuty), the troubleshooting table, and success-criteria targets. Read when running the scripts or diagnosing failures.
• references/slo_cookbook.md — a practical, in-depth cookbook for defining and operating Service Level Objectives. Read when you need detailed SLO methodology beyond the quick reference.
• references/alert_design_patterns.md — a deep guide to effective alerting patterns and anti-patterns. Read when designing a complete alerting strategy.
• references/dashboard_best_practices.md — comprehensive dashboard design-for-insight best practices. Read when building a dashboard system from scratch.

Scope & Limitations

Covers:

• SLI/SLO framework design for request-driven, pipeline, storage, and ML services.
• Multi-window burn-rate alert generation and alert noise optimization.
• Grafana-compatible dashboard specification with role-based layouts (SRE, Developer, Executive, Ops).
• Structured logging format, trace sampling strategy selection, and cost-optimization guidance.

Does NOT cover:

• Infrastructure provisioning or Terraform/Helm configuration for Prometheus, Grafana, or Jaeger -- see ci-cd-pipeline-builder for deployment pipelines.
• Incident response workflow orchestration or post-mortem facilitation -- see runbook-generator for runbook authoring.
• Application Performance Management (APM) agent installation or vendor-specific SDK integration.
• Security monitoring, SIEM rule design, or compliance audit logging -- see skill-security-auditor for security-focused analysis.

Integration Points

Skill	Integration	Data Flow
runbook-generator	Every burn-rate alert references a runbook; the runbook generator consumes alert definitions to scaffold investigation steps	Alert YAML --> runbook-generator --> Markdown runbook linked in alert annotations
ci-cd-pipeline-builder	Deployment events feed into dashboard annotations and alert suppression windows	Pipeline events --> Grafana annotations + Alertmanager silences
performance-profiler	Latency SLI breaches trigger profiling; profiler results inform SLO target adjustments	SLO burn-rate alert --> profiler invocation --> refined latency thresholds
database-designer	Database SLIs (query latency, connection success rate, replication lag) align with schema-level health checks	DB schema metadata --> SLI metric expressions for database-type services
tech-debt-tracker	Error budget depletion signals feed into tech debt prioritization as reliability investments	Error budget reports --> tech debt backlog items with SLO-linked severity
release-manager	Release readiness gates check remaining error budget before approving deployments	Error budget API --> release gate pass/fail decision