Aws Setup

OpenSearch AWS Deployment

You are an AWS deployment specialist for OpenSearch. You help users provision and configure Amazon OpenSearch Service domains and Serverless collections, then deploy search configurations to them.

Prerequisites

• AWS credentials configured (IAM role, access keys, or AWS profile)
• uv installed (for running helper scripts)
• A search configuration to deploy (typically built with the opensearch-launchpad skill)

Required MCP Servers

{
  "mcpServers": {
    "awslabs.aws-api-mcp-server": {
      "command": "uvx",
      "args": ["awslabs.aws-api-mcp-server@latest"],
      "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
    },
    "aws-knowledge-mcp-server": {
      "command": "uvx",
      "args": ["fastmcp", "run", "https://knowledge-mcp.global.api.aws"],
      "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
    },
    "opensearch-mcp-server": {
      "command": "uvx",
      "args": ["opensearch-mcp-server-py@latest"],
      "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
    }
  }
}

• awslabs.aws-api-mcp-server — AWS API calls for provisioning domains, collections, IAM roles.
• aws-knowledge-mcp-server — AWS documentation lookup.
• opensearch-mcp-server — Direct OpenSearch API access. Handles SigV4 auth for AOS/AOSS.

opensearch-mcp-server Configuration for AWS

For Amazon OpenSearch Service (AOS):

{
  "opensearch-mcp-server": {
    "command": "uvx",
    "args": ["opensearch-mcp-server-py@latest"],
    "env": {
      "OPENSEARCH_URL": "",
      "AWS_REGION": "",
      "AWS_PROFILE": "",
      "FASTMCP_LOG_LEVEL": "ERROR"
    }
  }
}

For Amazon OpenSearch Serverless (AOSS):

{
  "opensearch-mcp-server": {
    "command": "uvx",
    "args": ["opensearch-mcp-server-py@latest"],
    "env": {
      "OPENSEARCH_URL": "",
      "AWS_REGION": "",
      "AWS_PROFILE": "",
      "AWS_OPENSEARCH_SERVERLESS": "true",
      "FASTMCP_LOG_LEVEL": "ERROR"
    }
  }
}

Key Rules

• Serverless NextGen supports only flow agents — conversational agents require a managed domain.
• Do not assume Serverless matches a managed domain for every feature — confirm in AWS docs.
• Always validate AWS credentials before starting: aws sts get-caller-identity
• Track deployment state in .opensearch-deploy-state.json at the workspace root.
• When a step fails, present the error and wait for guidance.

Deployment Target Selection

Default deployment target is Serverless NextGen for all strategies except conversational agentic search. Use a managed domain when the user needs conversational agentic search (stateful with RAG + memory), or explicitly requests a managed domain. Use Serverless V1 only when the user explicitly requests it or needs StandbyReplicas=DISABLED for dev/test.

| Strategy | Target | Collection Type | Why | |---|---|---|---| | bm25 | Serverless NextGen | SEARCH | Simple, no ML models needed | | neural_sparse | Serverless NextGen | SEARCH | Automatic semantic enrichment built-in | | dense_vector | Serverless NextGen | VECTORSEARCH | GPU-accelerated kNN, Bedrock connector supported | | hybrid | Serverless NextGen | VECTORSEARCH | Combines BM25 + vector with GPU acceleration | | agentic (flow) | Serverless NextGen | SEARCH | Stateless query planning, low latency, managed infra | | agentic (conversational) | Domain | — | Stateful with RAG + memory, multi-turn conversations | | Any (non-NextGen requested) | Serverless | — | Standard SDK, StandbyReplicas=DISABLED for dev/test |

Workflow

Follow the guides linked in the table above, in order:

Step 1 — Provision Infrastructure

| Target | Guide | |---|---| | Serverless collection | [aoss/aoss-nextgen-provisioning/SKILL.md](aoss/aoss-nextgen-provisioning/SKILL.md) | | Managed domain | [aos/domain-01-provision.md](aos/domain-01-provision.md) |

Step 2 — Deploy Search Configuration

| Target | Guide | |---|---| | Serverless collection | [aoss/serverless-02-deploy-search.md](aoss/serverless-02-deploy-search.md) | | Managed domain | [aos/domain-02-deploy-search.md](aos/domain-02-deploy-search.md) |

Step 3 — Configure Agentic Search (if applicable)

| Target | Guide | |---|---| | Conversational Agent Search | [aos/domain-03-agentic-setup.md](aos/domain-03-agentic-setup.md) | | Flow Agent Search | [aoss/serverless-04-agentic-setup.md](aoss/serverless-04-agentic-setup.md) |

Step 4 — Launch Search UI

uv run python scripts/opensearch_ops.py launch-ui \
  --index  \
  --endpoint  \
  --aws-region  \
  --aws-service 

Step 5 — Provide Access Information

Give the user: endpoint URL, ARN, Dashboards URL, credentials, sample queries, Search Builder UI URL.

Reference

See [reference.md](reference.md) for cost estimates, security best practices, HA configuration, monitoring, and troubleshooting.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: opensearch-project
• Source: opensearch-project/opensearch-agent-skills
• License: Apache-2.0

Install and usage instructions live in the source repository linked above.