StrandsEvalsAgentCoreEvaluator uses invalid boto3 service name 'agentcore-evaluation-dataplane'

[icoxfog417]

Bug Description

StrandsEvalsAgentCoreEvaluator.__init__() creates a boto3 client with service name agentcore-evaluation-dataplane, which does not exist in botocore. The Evaluate API lives on the bedrock-agentcore service.

File: bedrock_agentcore/evaluation/integrations/strands_agents_evals/evaluator.py, line 101

self.client = boto3.client("agentcore-evaluation-dataplane", region_name=region, config=client_config)

Expected Behavior

Should use bedrock-agentcore:

self.client = boto3.client("bedrock-agentcore", region_name=region, config=client_config)

Steps to Reproduce

from bedrock_agentcore.evaluation.integrations.strands_agents_evals import create_strands_evaluator

evaluator = create_strands_evaluator("Builtin.Correctness")
# Raises: botocore.exceptions.UnknownServiceError: Unknown service: 'agentcore-evaluation-dataplane'

Environment

• bedrock-agentcore==1.3.0 (latest)
• botocore==1.42.47
• boto3==1.42.47

Related

The same bug exists in the agentcore-samples repo and is being fixed in awslabs/amazon-bedrock-agentcore-samples#784.

Suggested Fix

Change "agentcore-evaluation-dataplane" to "bedrock-agentcore" in evaluator.py line 101. Alternatively, allow users to inject a pre-built boto3 client (like the samples' EvaluationClient does with its boto_client parameter).