Deyi Zou
Blog Doodle

Why Your RAG Pipeline Is Lying to You

Retrieval is not understanding.

March 10, 2026 · 8 min read

Building Agents That Actually Work

Less autonomy, more reliability.

February 24, 2026 · 12 min read

The MCP Server I Use Every Day

A love letter to tool-use protocols.

December 15, 2025 · 6 min read

Context Windows Are the New Memory

What happens when your AI forgets.

October 2, 2025 · 10 min read

From Railway Engineer to AI Engineer

A career pivot story.

July 12, 2024 · 15 min read

LangChain Considered Harmful (Sometimes)

When abstractions fight back.

April 5, 2024 · 9 min read


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