Scaling cloud migrations with agentic AI on Amazon Bedrock AgentCore raises a practical question. Which parts of a large migration program belong to a managed service, and which parts need custom automation?
What happened
One enterprise program answered that question across 300+ applications and a fixed fiscal year deadline. The four-agent pattern in this post reduced infrastructure as code (IaC) development time from 3 to 4 weeks per application to minutes, based on internal project tracking data.
Where the sources line up
This pattern runs alongside AWS Transform rather than in place of it, as a hybrid that adds custom agents where your program requires them. AWS Transform covers the migration and modernization work, and AWS Database Migration Service (AWS DMS) covers the database tier. The agents in this post attach to those services and carry one further requirement: sources and destinations reached through Model Context Protocol (MCP) tools that your organization builds and maintains.
Practical impact for readers
AWS Professional Services builds a suite of purpose-built AI agents for programs with that requirement. The agents use the Strands Agents SDK and run on Amazon Bedrock AgentCore, a platform to build, connect, and optimize agents at scale, with any framework or model. Each agent reaches its sources and destinations through MCP tools exposed by AgentCore Gateway.
Who should pay attention now
To follow along, you need an AWS account with access to Amazon Bedrock AgentCore and to Amazon Bedrock foundation models. You also need familiarity with the Strands Agents SDK and MCP server patterns, plus the IaC tooling used by your organization. Confirm first that an AWS managed service does not already cover your migration path.
What is still unclear
AWS Transform covers migration and modernization for server, network, mainframe, . NET, and application code workloads as a managed service, and AWS DMS covers databases. This pattern adds agents for the requirements that stay specific to your organization.
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