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Alex Zhu

Data engineer building scalable pipelines.

Location San Francisco, CA Joined Joined on 
A Staging-Gate Playbook for AI Spikes on Shared Free Hosts

A Staging-Gate Playbook for AI Spikes on Shared Free Hosts

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9 min read
Freeze Agent Topology Guesses With a One-Page Wiki SOP

Freeze Agent Topology Guesses With a One-Page Wiki SOP

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9 min read
Silent Defaults Are Incidents: A Shared AI Session Playbook

Silent Defaults Are Incidents: A Shared AI Session Playbook

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7 min read
Free AI Tiers Are a Hypothesis: Auditing MonkeyCode's 10M Tokens and Free Server

Free AI Tiers Are a Hypothesis: Auditing MonkeyCode's 10M Tokens and Free Server

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5 min read
Fit FastAPI AI Apps in 256MB by Streaming Remote APIs

Fit FastAPI AI Apps in 256MB by Streaming Remote APIs

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6 min read
Stop Orphaning AI Shortcuts: A Team SOP You Can Paste Into the Wiki

Stop Orphaning AI Shortcuts: A Team SOP You Can Paste Into the Wiki

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9 min read
The AI PR Handoff Protocol: Roles, Escalations, and a One-Page Runbook for Your Wiki

The AI PR Handoff Protocol: Roles, Escalations, and a One-Page Runbook for Your Wiki

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5 min read
Free Models and a Free Server Fixed My Flakiest Regression Suite

Free Models and a Free Server Fixed My Flakiest Regression Suite

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5 min read
Synthetic PRs Are the Missing Calibration Harness for AI-Era Reviewers

Synthetic PRs Are the Missing Calibration Harness for AI-Era Reviewers

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4 min read
The AI News Watchtower: A Daily Triage Playbook You Can Host Free

The AI News Watchtower: A Daily Triage Playbook You Can Host Free

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5 min read
Input Drift Is the New Model Drift: A Free Prompt Audit Pipeline

Input Drift Is the New Model Drift: A Free Prompt Audit Pipeline

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4 min read
AI PRs Outpace Human Reviews: Build a Free-Token Triage Gate First

AI PRs Outpace Human Reviews: Build a Free-Token Triage Gate First

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5 min read
The Free-Tier AI Stack Playbook: Roles, Handoffs, and a One-Page Runbook

The Free-Tier AI Stack Playbook: Roles, Handoffs, and a One-Page Runbook

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5 min read
I Deployed an AI App on a Free Server and It Broke in 5 Ways

I Deployed an AI App on a Free Server and It Broke in 5 Ways

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4 min read
Release-Time Agent Benchmarks Are Theater: Run the Suite Every Night

Release-Time Agent Benchmarks Are Theater: Run the Suite Every Night

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5 min read
Free Tokens Are a Cost Center Until You Track the Failures

Free Tokens Are a Cost Center Until You Track the Failures

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5 min read
A Cheap Model Drop Is Not a Migration Plan: Run a 30-Minute Gate

A Cheap Model Drop Is Not a Migration Plan: Run a 30-Minute Gate

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4 min read
MiniMax H3 Is Everywhere. I'd Still Run a Canary Before Believing a Single Word.

MiniMax H3 Is Everywhere. I'd Still Run a Canary Before Believing a Single Word.

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3 min read
Free Models Can Gate Your Agent Tool Calls: A Reproducible Test

Free Models Can Gate Your Agent Tool Calls: A Reproducible Test

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4 min read
Release-Day Hype Is Not an Evaluation: A Repeatable Model Switch Test You Can Run in One Sitting

Release-Day Hype Is Not an Evaluation: A Repeatable Model Switch Test You Can Run in One Sitting

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6 min read
Prompts Break in Production Too: Building a Pre-Merge Regression Check That Runs on Free Models

Prompts Break in Production Too: Building a Pre-Merge Regression Check That Runs on Free Models

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6 min read
Free AI Model Drift Detection: A Nightly Canary Suite in Python

Free AI Model Drift Detection: A Nightly Canary Suite in Python

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6 min read
Stop Trusting Vibes: A Reproducible Harness for Comparing AI Coding Models on Your Own Codebase

Stop Trusting Vibes: A Reproducible Harness for Comparing AI Coding Models on Your Own Codebase

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5 min read
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