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Sam Chen

Backend developer who loves Rust and distributed systems.

Location Austin, TX Joined Joined on 
Your Agent Called the Tool. The Contract Still Failed

Your Agent Called the Tool. The Contract Still Failed

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6 min read
Five Workspace Anti-Patterns That Fake Agent Skill

Five Workspace Anti-Patterns That Fake Agent Skill

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6 min read
Your Agent Assumed the Schema. That Was the Bug

Your Agent Assumed the Schema. That Was the Bug

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6 min read
Green CI, Bad Patch: Five Oracle Anti-Patterns

Green CI, Bad Patch: Five Oracle Anti-Patterns

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6 min read
Debug the Context Pack Before You Debug the Model

Debug the Context Pack Before You Debug the Model

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7 min read
Six Harness Anti-Patterns That Fake Model Failure

Six Harness Anti-Patterns That Fake Model Failure

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6 min read
Your Agent Did Not Hang. You Shipped an Anti-Pattern

Your Agent Did Not Hang. You Shipped an Anti-Pattern

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7 min read
Seven Agent-Loop Anti-Patterns (and What to Run Instead)

Seven Agent-Loop Anti-Patterns (and What to Run Instead)

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8 min read
The Prompt Injection Playbook: Red-Teaming a Free Model Server

The Prompt Injection Playbook: Red-Teaming a Free Model Server

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4 min read
Free Models Fail in Patterns: A Reproducible Error Taxonomy for Coding Tasks

Free Models Fail in Patterns: A Reproducible Error Taxonomy for Coding Tasks

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3 min read
Five Silent Assumptions That Turn AI Code Into Debt

Five Silent Assumptions That Turn AI Code Into Debt

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7 min read
Stop Merging AI Patches Blind: A 6-Step Acceptance Protocol on Free Models

Stop Merging AI Patches Blind: A 6-Step Acceptance Protocol on Free Models

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5 min read
Your Free AI Server Is a Lab, Not a Factory: 5 Anti-Patterns That Crash Demos

Your Free AI Server Is a Lab, Not a Factory: 5 Anti-Patterns That Crash Demos

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3 min read
Build a Local AI Code Review Bot on MonkeyCode's Free Models and Free Server

Build a Local AI Code Review Bot on MonkeyCode's Free Models and Free Server

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5 min read
The Human Eye Is the Worst AI Code Reviewer: Run a Behavior Gate Instead

The Human Eye Is the Worst AI Code Reviewer: Run a Behavior Gate Instead

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5 min read
Do Not Ask a Free Coding Model for a Patch. Ask It for Candidate Tests Instead.

Do Not Ask a Free Coding Model for a Patch. Ask It for Candidate Tests Instead.

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6 min read
Free AI Coding Endpoints: 5 Anti-Patterns That Break Your Workflow

Free AI Coding Endpoints: 5 Anti-Patterns That Break Your Workflow

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4 min read
AI Coding Anti-Patterns: Symptoms, Root Causes, and Replacement Patterns

AI Coding Anti-Patterns: Symptoms, Root Causes, and Replacement Patterns

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4 min read
Poisoning My Own Codebase: A Reproducible Prompt Injection Test for AI Coding

Poisoning My Own Codebase: A Reproducible Prompt Injection Test for AI Coding

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4 min read
Testing MonkeyCode's Free Server Before You Trust It: A $0 Reproducible Probe

Testing MonkeyCode's Free Server Before You Trust It: A $0 Reproducible Probe

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5 min read
Testing MiniMax H3 Without Buying the Hype: A $0 Reproducible Eval

Testing MiniMax H3 Without Buying the Hype: A $0 Reproducible Eval

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4 min read
A Cost-Aware Router for AI Coding Tasks: Free Models First, Frontier Models Only When They Earn It

A Cost-Aware Router for AI Coding Tasks: Free Models First, Frontier Models Only When They Earn It

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4 min read
Testing the Walls, Not the Demo: A Reproducible Harness for AI Coding Agent Boundaries

Testing the Walls, Not the Demo: A Reproducible Harness for AI Coding Agent Boundaries

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4 min read
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