Context-Engineering

Editorial illustration of an AI memory architecture with folders, graphs, vectors, and timelines

Agent Memory Systems in 2026: What Actually Matters

Agent memory is no longer one feature. It has split into several design camps: raw recall, profile memory, context filesystems, reflective memory, coding-agent memory, and enterprise context APIs. This guide maps the trade-offs, the real architectures, and the hype gap.

Editorial illustration showing a model operating inside a rich context environment with memory, retrieval, tools, and state

Prompt engineering is getting demoted. Context engineering is the real job now.

Prompt engineering tunes a single interaction. Context engineering designs the information environment across interactions. If you’re building serious AI systems, that’s the difference that matters.