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Essays on AI agents, LLM systems, and the engineering realities behind building them — by Chuan Liu, Founding AI Engineer at Metix AI.

Your Process Will Die. The Task Shouldn't.

Long-running agents quietly entrust their execution state to the process — which is the least reliable thing in the whole system. The fix is older than agents.

Jun 5, 2026

The Six Bugs That Decided Whether agentcon Worked

agentcon is about 1000 lines of Python. Its design fits on a napkin. But six implementation details — most of them invisible from the README — decide whether it actually survives production.

Jun 1, 2026