Developers share the hard rules they added to agents after a single bad experience
Luvena21 · reddit · 2026-10-26
A Reddit agent developer started a discussion on rules born from single failures: after an agent once sent a reply with the wrong recipient name, they mandated pulling names from the source every time instead of trusting memory; after another agent retried a failing call endlessly, they capped retries at two and required delivering partial results.
Their thesis: good guardrails rarely come from planning — they come from getting burned once and deciding never again, and the most specific war stories make the best learning material.
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