ECHO™ Role Libraryby ECHO Consulting

Limit · LM-03 · v1.0

Repeat the Rule Before Acting

Puts the rule that matters right next to the action it governs.

The ECHO line

Put the rule on the door, where the action happens.

Add it to any role that sends, books, charges, deletes or searches; it asks the agent to re-read the line that governs each of those steps right before taking it. The article cites Anthropic's review published September 9, 2026: in re-runs of one incident, a scope reminder stopped the behavior 90% of the time when it was the last thing in context, and 40% when it came three turns earlier; Anthropic suspects a "momentum effect". Anything that must never happen still needs a setting that blocks it.

TO BE TESTED — RESULTS WILL BE SHAREDFrom our article "Who gave the agent the keys?"5 of 5 free opens left
Adds to

③ Constraint ★

When to add it

Any role that can send, book, charge, delete or search, and any long-running chat.

Repeat the Rule Before Acting · LM-03

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Adds to ③ Constraint ★

These are samples. Fill in the [INSERT] blanks and adapt each one to your business.

A pasted role guides the agent. Your tool's settings are what stop an action.

© 2026 Restrained Depth AI LLC. ECHO™ and ECHO Role Library™ are trademarks of Restrained Depth AI LLC.

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