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amazon-opensearch-service

Guides migration, provisioning, search, log-analytics, trace-analytics, and Agentic AI Assistant workflows for Amazon OpenSearch Service and Serverless across six capabilities — migration (Solr/ES/self-managed into AOS/AOSS, schema/query translation, sizing, cutover); provisioning (domain + AOSS lifecycle, upgrades, FGAC, monitoring); search (vector / semantic / hybrid / RAG with Bedrock); log-analytics (PPL, OSI, anomaly detection, Dashboards); trace-analytics (OTel spans, service maps, Data Prepper); ai-assistant (natural language data exploration, incident investigation, root cause analysis). Triggers on OpenSearch, AOS, AOSS, Elasticsearch, Solr, vector/k-NN/semantic/hybrid search, RAG, log analytics, PPL, trace analytics, ISM, FAISS, HNSW, Migration Assistant, UltraWarm, OR1, query my data, analyze logs, investigate errors, root cause analysis.

plugins/aws-data-analytics/skills/amazon-opensearch-service/SKILL.md

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# Amazon OpenSearch Service — the unified skill

This skill answers anything about Amazon OpenSearch Service or Serverless across six capabilities. **Step 0 below routes the question to ONE capability** and points at that capability's entry-point reference. Everything else — when to dispatch, sub-references, capability-specific facts, cross-capability links — lives in the entry-point reference for that capability.

> **AWS MCP server is recommended, not required.** Capability references show standard AWS CLI commands as the primary syntax (e.g., `aws opensearch describe-domain`, `aws opensearchserverless create-collection`). Where the AWS MCP server is available, its `call_aws` tool offers a streamlined alternative — but every operation in this skill MUST work via the AWS CLI alone. Data-plane HTTP calls against AOS / AOSS use `awscurl` for SigV4-signed requests; this works in both contexts.

## Step 0: detect the capability — first thing you do

Pick **one** of the six capabilities below. State the detected capability in your first sentence (e.g., *"Detected capability: SEARCH — semantic search setup with Bedrock embeddings."*). Then load the entry-point reference; that file describes when to dispatch, indexes the rest of the capability's files, and routes you to the next step.

| Capability | Entry-point reference |
|---|---|
| **migration** — Solr / Elasticsearch / self-managed OpenSearch into AOS or AOSS. Schema/query translation, sizing, cutover. | [`references/assessment-workflow.md`](references/assessment-workflow.md) |
| **provisioning** — Provisioning and managing AOS domains and AOSS collections. Lifecycle, upgrades, storage tiers, FGAC, monitoring. | [`references/provisioning-reference.md`](references/provisioning-reference.md) |