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Building Tools for LLMs Series' Articles

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Johnny

Dec 3 '25

Why AI Can't Write Good Playwright Tests (And How To Fix It)

#mcp #playwright #testing #ai

31 min read

Johnny

Dec 3 '25

Building LLM Tools That Don't Drown in Context: Lazy Traversal for Unknown Structures

#algorithms #llm #architecture #performance

16 min read

Johnny

Dec 10 '25

Why Verdex Uses CDP Directly

#playwright #ai #mcp #testing

11 min read

Johnny

Dec 10 '25

Return Facts, Not Interpretations: Why LLM Tools Should Be Dumber Than You Think

#ai #mcp #architecture

10 min read

Johnny

Dec 12 '25

Why Your API's Error Messages Fail When Called by an LLM (And How to Fix Them)

#systemdesign #agents #llm #api

9 min read

Johnny

Dec 12 '25

How Verdex Sees Inside Iframes: Event-Driven Multi-Frame Support

#tooling #testing #javascript #architecture

12 min read

Johnny

Dec 12 '25

Why I Ditched toString() and Moved to a Pre-Bundled Bridge with Event-Driven CDP Injection

#architecture #javascript #webdev

7 min read