Blog
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12 articlesRBAC Is Not Enough for AI Agents: A Practical Authorization Model
Apr 1911 min
Reasoning Model Economics: When Chain-of-Thought Earns Its Cost
Apr 199 min
The Reranker Gap: Why Most RAG Pipelines Skip the Most Important Layer
Apr 198 min
Sequential Tool Call Waterfalls: The Hidden Latency Tax in Agent Loops
Apr 199 min
Shadow to Autopilot: A Readiness Framework for AI Feature Autonomy
Apr 1911 min
The Share-Nothing Agent: Designing AI Agents for Horizontal Scalability
Apr 1911 min
The Six-Month Cliff: Why Production AI Systems Degrade Without a Single Code Change
Apr 199 min
What 99.9% Uptime Means When Your Model Is Occasionally Wrong
Apr 1910 min
Structured Output Reliability in Production: Why JSON Mode Is Not a Contract
Apr 198 min
Subgroup Fairness Testing in Production AI: Why Aggregate Accuracy Lies
Apr 1911 min
The Sycophancy Trap: Why AI Validation Tools Agree When They Should Push Back
Apr 1912 min
Synthetic Eval Bootstrapping: How to Build Ground-Truth Datasets When You Have No Labeled Data
Apr 1910 min
About Tian Pan
I'm Tian Pan, an engineer-founder focused on agentic engineering — building autonomous AI systems and scaling engineering teams. I write practical guides on system design, technical leadership, and shipping with AI agents. Previously an early engineer at Uber, Brex, and IoTeX.
