uv pip install 'crewai[tools]'

BEDROCK_KB_ID=your-knowledge-base-id  # Alternative to passing knowledge_base_id
AWS_REGION=your-aws-region            # Defaults to us-east-1
AWS_ACCESS_KEY_ID=your-access-key     # Required for AWS authentication
AWS_SECRET_ACCESS_KEY=your-secret-key # Required for AWS authentication

{
  "results": [
    {
      "content": "Retrieved text content",
      "content_type": "text",
      "source_type": "S3",
      "source_uri": "s3://bucket/document.pdf",
      "score": 0.95,
      "metadata": {
        "additional": "metadata"
      }
    }
  ],
  "nextToken": "pagination-token",
  "guardrailAction": "NONE"
}

kb_tool = BedrockKBRetrieverTool(
    knowledge_base_id="your-kb-id",
    retrieval_configuration={
        "vectorSearchConfiguration": {
            "numberOfResults": 10,
            "overrideSearchType": "HYBRID"
        }
    }
)

policy_expert = Agent(
    role='Policy Expert',
    goal='Analyze company policies in detail',
    backstory='I am an expert in corporate policy analysis with deep knowledge of regulatory requirements.',
    tools=[kb_tool]
)