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Harper Zhu

Data engineer building scalable pipelines.

Location Austin, TX Joined Joined on 
The Runtime Is the Test Fixture: An Opinionated Harness for AI Coding Agents

The Runtime Is the Test Fixture: An Opinionated Harness for AI Coding Agents

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4 min read
Free Tokens Are the Wrong Metric for AI Coding Assistants

Free Tokens Are the Wrong Metric for AI Coding Assistants

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4 min read
MiniMax H3 Hype? Run a Reproducible 3-Test Coding Triage

MiniMax H3 Hype? Run a Reproducible 3-Test Coding Triage

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6 min read
A No-Cost Harness for Comparing Free Coding-Agent Models and Runtimes

A No-Cost Harness for Comparing Free Coding-Agent Models and Runtimes

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5 min read
Red-Teaming AI Coding Agents Without a Budget: A Boundary Test Suite on Free Models

Red-Teaming AI Coding Agents Without a Budget: A Boundary Test Suite on Free Models

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6 min read
Canary Tests for AI Coding Agents: A Sandbox Harness You Can Run Yourself

Canary Tests for AI Coding Agents: A Sandbox Harness You Can Run Yourself

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4 min read
A Reproducible Bug-Fix Trial for AI Coding Assistants Using Disposable Git Worktrees

A Reproducible Bug-Fix Trial for AI Coding Assistants Using Disposable Git Worktrees

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5 min read
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