Writing agent instructions: spell out judgment calls and boundaries like you would for a new teammate

JosephJacks_ · x · 2026-10-20

Part 3/7 of the Plane Agents series argues that a task like "triage new tickets" leaves the important decisions open: what makes a ticket urgent? What if impact is unclear? Which fields stay untouched? The rules you'd explain to a new teammate are what the agent needs too. The example agent config spells these out: only set Urgent when the customer can't work and has no workaround; ask the reporter instead of guessing when impact is unclear; never change the assignee or state. The takeaway: make implicit judgment criteria, boundaries, and non-actions explicit in agent instructions.

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