Amazon's Nova 2 announcement at AWS re:Invent 2025 is exactly the type of AI offering we expected from AWS and, frankly, exactly what should make thoughtful architects nervous. Nova 2 is positioned as a frontier-grade model, tightly integrated with Amazon Bedrock. It's part of a growing ecosystem of "frontier agents" and the AgentCore framework unveiled at re:Invent 2025. The story is compelling: better models, better tools, and a single platform to build, deploy, and scale agentic AI.
Agents can dynamically discover and invoke external tools or data servers exposed over MCP. Agents can collaborate across runtimes using structured, A2A protocol-driven messaging. Any REST API with an OpenAPI specification can be imported as a callable tool instantly. Agents can run in containers, on-premises, or across multiple clouds, making them portable across environments. The Agent Framework supports a wide