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Dakota Wu

Data engineer building scalable pipelines.

Location Sydney, Australia Joined Joined on 
Freeze the Blast Radius Before an Agent Rewrites a Messy Module

Freeze the Blast Radius Before an Agent Rewrites a Messy Module

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8 min read
Stop Rerunning Flaky Tests. Build an Evidence Log Instead.

Stop Rerunning Flaky Tests. Build an Evidence Log Instead.

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5 min read
Check an AI Patch in 10 Minutes: A Free-Model and Free-Server Recipe

Check an AI Patch in 10 Minutes: A Free-Model and Free-Server Recipe

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4 min read
A Free-Tier Safety Net for Refactoring Ugly Legacy Code

A Free-Tier Safety Net for Refactoring Ugly Legacy Code

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5 min read
Your AI Refactor Needs a Behavioral Fingerprint, Not Just a Diff

Your AI Refactor Needs a Behavioral Fingerprint, Not Just a Diff

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5 min read
Let an Agent Write Your Characterization Tests Before You Refactor Legacy Code

Let an Agent Write Your Characterization Tests Before You Refactor Legacy Code

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4 min read
Refactor a Messy Repo Without Breaking It: Characterization Tests, Then the Smallest Safe Change

Refactor a Messy Repo Without Breaking It: Characterization Tests, Then the Smallest Safe Change

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5 min read
Mutation Testing on a Budget: Free Models, Free Server, Real Test Quality

Mutation Testing on a Budget: Free Models, Free Server, Real Test Quality

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4 min read
Stop Blaming the Model When Your Agent Repeats the Same Mistake

Stop Blaming the Model When Your Agent Repeats the Same Mistake

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5 min read
Treat Your Agent's Free Server Like a Compromised Machine

Treat Your Agent's Free Server Like a Compromised Machine

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4 min read
Your Coding Agent Doesn't Need a Smarter Model. It Needs a Tighter Loop.

Your Coding Agent Doesn't Need a Smarter Model. It Needs a Tighter Loop.

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5 min read
Free Tokens Are Better Spent Fuzzing Your Own Code Than Benchmarking Someone Else's

Free Tokens Are Better Spent Fuzzing Your Own Code Than Benchmarking Someone Else's

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4 min read
Why the Most Honest Coding-Agent Evaluation Runs on Free Infrastructure

Why the Most Honest Coding-Agent Evaluation Runs on Free Infrastructure

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5 min read
Don't Trust a New Model's Benchmarks Until You Run Your Own 30-Minute Smoke Test

Don't Trust a New Model's Benchmarks Until You Run Your Own 30-Minute Smoke Test

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5 min read
A Boundary-Failure Test Plan for Coding Agents You Can Run on Free Model Tiers

A Boundary-Failure Test Plan for Coding Agents You Can Run on Free Model Tiers

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5 min read
A Prompt Regression Pack You Can Run Against Free Model Tiers Before Paying for Anything

A Prompt Regression Pack You Can Run Against Free Model Tiers Before Paying for Anything

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6 min read
A Reproducible Harness for Comparing Coding Agents Before You Trust Their Numbers

A Reproducible Harness for Comparing Coding Agents Before You Trust Their Numbers

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4 min read
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