The 5 Hardest Problems in Context Engineering Right Now (opens in new tab)

Context engineering is not prompt engineering. It is an emerging discipline focused on optimizing context windows for AI agents, translating upstream APIs and MCP servers into efficient tool interfaces, and building evaluation frameworks for agent-API interaction quality. If you are working with agents and MCP tools, you are probably running into these problems already. Here are the five we keep seeing. 1. No agent evaluation framework You need to know whether your agent called the right API ...