Leonid M's articles
- 6 days agoProgramming
Playwright 1.64: WebMCP, Locator.within(), and Smarter Runs
Playwright 1.64 adds WebMCP tool testing, locator.within(), video fps/VP9, project defaults, --shuffle, and breaking visibility rules. What to adopt first in a real suite.
- 9 days agoProgramming
The Repo Rules That Matter Say Do Not Refactor
An agent handed a style guide applies it everywhere and hands back an unreviewable diff. The instruction files that work encode restraint and mechanics, not standards.
- 12 days agoAI Coding
Your Next User Cannot Be Annoyed, Only Blocked
Designing for agents means swapping the sentiment curve for a reliability curve. Every stage of the journey turns into a pass rate, which makes the map testable.
- 15 days agoAI Coding
Wrong Tool Calls Are a Retrieval Problem
Agents do not reason over a menu of tools. They match against descriptions competing for attention, which means the fixes are indexing fixes and not prompt fixes.
