Harper Xu

Harper Xu

Sep 9

Don't Wire the Model Straight to SSH

#architecture #ai #devops #security

6 min read

Harper Xu

Sep 8

Treat Generated Infra as Untrusted Input

#architecture #ai #devops #testing

7 min read

Harper Xu

Sep 8

Don't Promote the Sketch to Topology

#architecture #ai #devops #testing

6 min read

Harper Xu

Sep 7

The Model Never Owns the Contract

#architecture #ai #testing #git

7 min read

Harper Xu

Sep 7

Review the Generation Path Like a Service

#architecture #ai #testing #git

7 min read

Harper Xu

Sep 6

Freeze the Ports Before Generation

#architecture #python #ai #testing

5 min read

Harper Xu

Sep 4

Draw the Failure Domains Before You Generate

#architecture #ai #testing #git

6 min read

Harper Xu

Sep 4

Keep Canonical State Off the Free Host

#git #ai #architecture #security

6 min read

Harper Xu

Sep 3

Give the Remote Critique Zero Merge Rights

#architecture #security #git #ai

6 min read

Harper Xu

Sep 3

Assume the Remote Tree Already Drifted

#architecture #ai #git #testing

8 min read

Harper Xu

Sep 2

Cheap AI Code Carries an Architecture Tax

#ai #architecture #webdev #programming

3 min read

Harper Xu

Aug 31

You Got 10M Free Tokens. Now Design the Pipeline.

#ai #architecture #testing #productivity

4 min read

Harper Xu

Aug 30

Your Review Bot's Retry Loop Is a Token Furnace. Test the Amplifier.

#ai #architecture #opensource #programming

3 min read

Harper Xu

Aug 29

A Free AI Request Crosses Four Failure Domains. Map Them.

#architecture #ai #server #systemdesign

4 min read

Harper Xu

Aug 28

Free Tokens Flow Through a Pipe. Find the Leaks.

#ai #architecture #opensource #devtools

4 min read

Harper Xu

Aug 27

Your Free AI Tier Is Shared. Build the Gate.

#ai #architecture #opensource #webdev

4 min read

Harper Xu

Aug 26

A Free AI Tier Is an Architecture. Review It Like One.

#ai #architecture #opensource #programming

4 min read

Harper Xu

Aug 24

Your Free AI Server Has a Load Ceiling. Probe It.

#ai #testing #devops #opensource

4 min read

Harper Xu

Aug 23

Your Free AI Will Forget, Stall, or Queue. Probe All Three.

#ai #testing #python #opensource

3 min read

Harper Xu

Aug 22

A 10M Token Budget Is a Constraint. Measure It First.

#ai #testing #productivity #opensource

4 min read

Harper Xu

Aug 21

Free AI Tiers Need a Stress Test. Here's the Harness

#ai #llm #testing #opensource

5 min read

Harper Xu

Aug 13

A New 'Cheap and Good' Model Dropped. Here's How I Decide If It Earns a Place in My Stack

#ai #productivity #testing #devtools

5 min read

Harper Xu

Aug 10

Judge New Models With the Bugs That Already Burned You

#ai #testing #productivity #opensource

7 min read

Harper Xu

Aug 10

Give Your AI Coding Agent a Sandbox Before You Give It Your Shell

#ai #security #devops #tutorial

5 min read

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Don't Wire the Model Straight to SSH

Treat Generated Infra as Untrusted Input

Don't Promote the Sketch to Topology

The Model Never Owns the Contract

Review the Generation Path Like a Service

Freeze the Ports Before Generation

Draw the Failure Domains Before You Generate

Keep Canonical State Off the Free Host

Give the Remote Critique Zero Merge Rights

Assume the Remote Tree Already Drifted

Cheap AI Code Carries an Architecture Tax

You Got 10M Free Tokens. Now Design the Pipeline.

Your Review Bot's Retry Loop Is a Token Furnace. Test the Amplifier.

A Free AI Request Crosses Four Failure Domains. Map Them.

Free Tokens Flow Through a Pipe. Find the Leaks.

Your Free AI Tier Is Shared. Build the Gate.

A Free AI Tier Is an Architecture. Review It Like One.

Your Free AI Server Has a Load Ceiling. Probe It.

Your Free AI Will Forget, Stall, or Queue. Probe All Three.

A 10M Token Budget Is a Constraint. Measure It First.

Free AI Tiers Need a Stress Test. Here's the Harness

A New 'Cheap and Good' Model Dropped. Here's How I Decide If It Earns a Place in My Stack

Judge New Models With the Bugs That Already Burned You

Give Your AI Coding Agent a Sandbox Before You Give It Your Shell