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AWS bedrock-agentcore documentation change

Service: bedrock-agentcore · 2025-08-10 · Documentation low

File: bedrock-agentcore/latest/devguide/gateway-building-smithy-targets.md

Summary

Removed custom Smithy model support and updated model type documentation

Security assessment

Feature removal of custom model support. No evidence this is security-related - appears to be product capability change.

Diff

diff --git a/bedrock-agentcore/latest/devguide/gateway-building-smithy-targets.md b/bedrock-agentcore/latest/devguide/gateway-building-smithy-targets.md
index 30f4e122b..9def4e1f7 100644
--- a//bedrock-agentcore/latest/devguide/gateway-building-smithy-targets.md
+++ b//bedrock-agentcore/latest/devguide/gateway-building-smithy-targets.md
@@ -47,0 +48,6 @@ For Smithy model targets that access AWS services, your Gateway's execution role
+JSON
+    
+
+****
+    
+    
@@ -68,3 +73,0 @@ For Smithy model targets that access AWS services, your Gateway's execution role
-## Smithy Model Types
-
-AgentCore Gateway supports two main types of Smithy models: built-in AWS service models and custom Smithy models. You can choose the approach that best fits your needs.
@@ -72 +75 @@ AgentCore Gateway supports two main types of Smithy models: built-in AWS service
-Built-in AWS Service Models
+## Smithy Model Types
@@ -73,0 +77 @@ Built-in AWS Service Models
+AgentCore Gateway supports built-in AWS service models. Custom Smithy models are not currently supported.
@@ -93,33 +96,0 @@ With this target, your Gateway will expose DynamoDB operations as tools that can
-Custom Smithy Models
-    
-
-You can also use custom Smithy models to define your own service APIs. To use a custom Smithy model:
-
-  * **Create a Smithy model** that defines your service API
-
-  * **Convert the Smithy model** to JSON format
-
-  * **Upload the JSON model** to an Amazon S3 bucket
-
-  * **Reference the S3 location** when creating your Smithy model target
-
-
-
-
-Here's an example of creating a Smithy model target with a custom model:
-    
-    
-    # Create a Smithy model target with a custom model
-    custom_smithy_target = gateway_client.create_mcp_gateway_target(
-        gateway=gateway,
-        target_type="smithyModel",
-        target_name="CustomServiceTarget",
-        target_description="Target for custom service API",
-        target_payload={
-            "s3": {
-                "uri": "s3://your-bucket/path/to/custom-smithy-model.json"
-            }
-        }
-    )
-                  
-