4 posts
Three genuinely different engineering problems hide behind one word. An agent that confuses them either forgets things mid-task or loses them on restart.
A working MCP server in about 80 lines: two real tools, a resource, a prompt template, and the one design mistake that turns it into a security hole.
Not another 'agents are the future' piece. One real request, traced stage by stage through planning, memory, tool calls, MCP, evaluation, and back.
'Application plus LLM' was never the architecture, it was the demo. Here's the eight-layer stack a real AI system actually needs, and a map to every layer.
