Individual skill

aws-observability

Investigates root causes on the Omni context graph (service dependencies) and Intelligence insights; builds, configures, debugs, tunes AWS observability - operator-symptom questions, detecting Omni vs classic CloudWatch. CloudWatch on a reporting service: fleet health views, Log Insights, metric/composite/anomaly alarms, custom metrics/EMF, dashboards, X-Ray/ADOT tracing, canaries, CloudTrail, Dynamic Instrumentation (live breakpoints), and Application Signals service map. CloudWatch Omni on an existing Space: SQL over logs/traces, PromQL, Omni dashboards, alerts and Slack notifications, programmatic/IaC access (API/SDK/CLI/CFN), driving Omni from a coding agent or skills, AI agent quality from traces - on-demand and online evaluation of live traffic, incl. setting it up, readback, evaluators. For first-time setup - creating an Omni Space, granting access, ingestion, or ADOT instrumentation for Application Signals or Omni - use setting-up-cloudwatch-observability. Not for app logging or threat detection.

plugins/aws-core/skills/aws-observability/SKILL.md

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# AWS Observability

## Overview

Domain expertise for AWS observability across metrics, logs, and traces, for **two
products** that share the CloudWatch name but are separate services with separate
control planes, data models, and APIs:

| | CloudWatch | CloudWatch Omni |
|---|---|---|
| **What it is** | Log groups, metric namespaces, alarms, Log Insights, X-Ray, Application Signals | Application Observability / Agent Observability. A **Space** per account per Region is the access boundary over the account's CloudWatch **Dataset** (OpenTelemetry logs, traces, and metrics); the Dataset is a CloudWatch resource the Space reads, not something the Space contains |
| **Control plane** | `aws cloudwatch`, `aws logs`, `aws xray`, `aws application-signals` | `aws cloudwatchomni` (endpoint prefix `cloudwatch-omni`, signing name `cloudwatch`) |
| **Query** | Log Insights query language; GetMetricData | SQL over `logs.default` / `traces.default`; PromQL over metrics; named views |
| **Notify** | Alarms (metric, composite, anomaly) | **Alerts** (SQL/PromQL rule, contributors, OK/WARNING/CRITICAL/NODATA) |