Leonid M's articles
- about 2 months agoAI Coding
The Tool Description You Did Not Write Goes Into Your Prompt
MCP moves your tool registry across a process boundary. Four things a foreign server can do to a client that trusts what it declares, and what stays yours.
- about 2 months agoAI Coding
The Test Pyramid Did Not Go Away When Agents Started Coding
Coding agents cannot verify their own work, for three specific reasons. The fix is an old idea at a new scale — plus one constraint that genuinely is new.
- about 2 months agoAI Coding
The Agent Bug That Breaks Nothing and Costs the Most
A supervisor loop with no counter raises no exception, logs no error and times out never. The only signal arrives on the invoice, four weeks later.
- about 2 months agoAI Coding
Near-Zero Hallucination Costs Half Your Answers
A RAG build that cut hallucination to 2% also stopped answering 54% of the questions it could have answered. The trade, the judge that enforces it, and what actually scales.
