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AWS opensearch-service documentation change

Service: opensearch-service · 2026-07-10 · Documentation low

File: opensearch-service/latest/developerguide/aws-mcp-server.md

Summary

Updated code examples and installation instructions for AWS MCP Server integration

Security assessment

Changes involve code refactoring and dependency updates without security-specific modifications. The updates improve clarity but don't address security vulnerabilities or document security features.

Diff

diff --git a/opensearch-service/latest/developerguide/aws-mcp-server.md b/opensearch-service/latest/developerguide/aws-mcp-server.md
index cdbca31a0..9c926d88e 100644
--- a//opensearch-service/latest/developerguide/aws-mcp-server.md
+++ b//opensearch-service/latest/developerguide/aws-mcp-server.md
@@ -116,2 +115,0 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-    import boto3
-    import os
@@ -120 +118 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-    from mcp.client.streamable_http import streamablehttp_client
+    from mcp_proxy_for_aws.client import aws_iam_streamablehttp_client
@@ -122,3 +120,2 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-    # Get credentials for signing
-    session = boto3.Session()
-    credentials = session.get_credentials().get_frozen_credentials()
+    ENDPOINT = "https://aws-mcp.us-east-1.api.aws/mcp"
+    AWS_REGION = "us-east-1"
@@ -127,5 +124,4 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-        lambda: streamablehttp_client(
-            "https://aws-mcp.us-east-1.api.aws/mcp",
-            headers={
-                "AWS_REGION": os.environ.get("AWS_REGION", "us-east-1"),
-            }
+        lambda: aws_iam_streamablehttp_client(
+            endpoint=ENDPOINT,
+            aws_service="aws-mcp",
+            aws_region=AWS_REGION,
@@ -137 +133 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-        response = agent("List all OpenSearch Service domains and show the cluster health for each")
+        response = agent("What OpenSearch Service domains do I have?")
@@ -139,0 +136,5 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
+Install the required packages:
+    
+    
+    pip install strands-agents mcp-proxy-for-aws
+
@@ -142 +143 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-[LangGraph](https://github.com/langchain-ai/langgraph) is a low-level orchestration framework for building stateful agents. The following example uses `langchain-mcp-adapters` to load AWS MCP tools into a LangGraph ReAct agent backed by Amazon Bedrock.
+[LangGraph](https://github.com/langchain-ai/langgraph) is a low-level orchestration framework for building stateful agents. The following example uses `mcp-proxy-for-aws` to provide an authenticated transport and `langchain-mcp-adapters` to load the AWS MCP tools into a LangChain agent backed by Amazon Bedrock.
@@ -146 +147,3 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-    import os
+    from mcp import ClientSession
+    from mcp_proxy_for_aws.client import aws_iam_streamablehttp_client
+    from langchain_mcp_adapters.tools import load_mcp_tools
@@ -148,2 +151,4 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-    from langchain_mcp_adapters.client import MultiServerMCPClient
-    from langgraph.prebuilt import create_react_agent
+    from langchain.agents import create_agent
+    
+    ENDPOINT = "https://aws-mcp.us-east-1.api.aws/mcp"
+    AWS_REGION = "us-east-1"
@@ -152,12 +157,8 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-        async with MultiServerMCPClient(
-            {
-                "aws-mcp": {
-                    "url": "https://aws-mcp.us-east-1.api.aws/mcp",
-                    "transport": "streamable_http",
-                    "headers": {
-                        "AWS_REGION": os.environ.get("AWS_REGION", "us-east-1"),
-                    },
-                }
-            }
-        ) as mcp_client:
-            tools = mcp_client.get_tools()
+        async with aws_iam_streamablehttp_client(
+            endpoint=ENDPOINT,
+            aws_service="aws-mcp",
+            aws_region=AWS_REGION,
+        ) as (read_stream, write_stream, _get_session_id):
+            async with ClientSession(read_stream, write_stream) as session:
+                await session.initialize()
+                tools = await load_mcp_tools(session)
@@ -165,2 +166,2 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-                model_id="anthropic.claude-3-5-sonnet-20241022-v2:0",
-                region_name=os.environ["AWS_REGION"],
+                    model_id="us.anthropic.claude-opus-4-8",
+                    region_name=AWS_REGION,
@@ -168 +169 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-            agent = create_react_agent(model, tools)
+                agent = create_agent(model, tools)
@@ -170 +171 @@ You can integrate the AWS MCP Server into Python agent frameworks for programmat
-                {"messages": [{"role": "user", "content": "Check cluster health and list all OpenSearch indexes"}]}
+                    {"messages": [{"role": "user", "content": "What OpenSearch Service domains do I have?"}]}
@@ -179 +180 @@ Install the required packages:
-    pip install langchain-aws langchain-mcp-adapters langgraph
+    pip install mcp-proxy-for-aws langchain langchain-aws langchain-mcp-adapters langgraph