diff --git a/AGENTS.md b/AGENTS.md
index 6f56cb5..0414562 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -22,6 +22,8 @@ Don't ask permission. Just do it.
 ### 🔍 MANDATORY: Search Before Speaking
 Before responding to ANY message that references a person, project, server, past event, or anything that sounds like "you should know this" — run `memory_search` FIRST. No exceptions. No "I think I remember." Search, confirm, then respond. This is not optional. The cost is ~500 tokens. The cost of asking "who's Shannon?" is trust.
 
+Obvious exceptions: math, general knowledge, coding help, anything where context from our history is clearly irrelevant. Use judgment — the rule exists to prevent amnesia, not to slow down every reply.
+
 You wake up fresh each session. These files are your continuity:
 - **Daily notes:** `memory/YYYY-MM-DD.md` (create `memory/` if needed) — raw logs of what happened
 - **Long-term:** `MEMORY.md` — your curated memories, like a human's long-term memory