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SKILL.md
Human-in-the-Loop Design Skill
The failure mode of agent oversight isn't too little review — it's review that decays into a rubber stamp. Forty approval prompts a day trains the human to click yes; then the one that mattered goes through with the rest. This skill designs the loop so human attention lands exactly where it changes the outcome, and nowhere else.
What This Skill Produces
An action-tier policy: every agent action classified auto / notify / approve / forbidden
An approval UX spec: what the human sees, batching rules, and the anti-rubber-stamp mechanics
Audit-trail requirements: what gets recorded so any decision is reconstructable
Required Inputs
Ask for (if not already provided):
The agent and its action inventory — everything it can do (from its tool list, not its marketing)
Blast radius per action: reversible? outward-facing? money/data/permissions involved?
Volume estimates: how many times per day each action fires (approval load is a design constraint, not an afterthought)
Who approves — role, how many people, what else competes for their attention
Design Method
Tier every action by consequence, not by feel. Two axes decide the tier: reversibility (undo in one step ↔ irreversible) and reach (internal draft ↔ external/financial/permanent). Then:
Notify — reversible + modest reach (filed a ticket, updated a record). Do it, tell the human, easy undo.
Approve — hard to reverse OR outward-facing (send, publish, pay, delete, grant). Blocks until a human decides.
Forbidden — irreversible + high reach where the org has decided no automation belongs (auth changes, legal commitments). Not gated — absent from the toolset.
Budget the approvals. Multiply approve-tier actions by daily volume. If the number exceeds ~10-15 meaningful decisions per approver per day, the design is broken before launch: move volume down-tier by adding reversibility (drafts, holds, delayed sends) rather than by lowering the bar.
Design the approval moment against rubber-stamping.
Show the decision, not the transcript: what will happen, to whom, why the agent believes it's right, and what's unusual about this one.
Surface anomaly, hide routine: same-as-last-50 approvals batch into one digest; the outlier renders differently and alone.
Require typed engagement for the highest stakes (type the amount, name the recipient) — friction proportional to consequence.
Track approval latency and edit rate per approver: 100% instant approvals is a broken loop, not a good agent — say so in the metrics section.
Write the escalation rules. Approver silent for [X]: action expires safely (never auto-proceeds). Approver rejects: agent gets the reason as context, may revise once, then stops. Two approvers disagree: named tiebreaker. After-hours urgent: the on-call path, or an honest "waits until morning".
Spec the audit trail. Per gated action: what the agent proposed (verbatim), the evidence it showed, who decided, what shipped (diff vs proposal), timestamps. The reconstruction test: six months later, "why did this go out?" is answerable from the trail alone.
Plan the tier reviews. Tiers loosen with evidence, not with comfort: an action moves down a tier after [N] consecutive approvals with zero edits and a human review of a sample. Tightening is immediate on any incident.
Output Format
HITL Design: [agent system]
Action-tier policy
Action
Reversibility
Reach
Tier
Volume/day
Notes
Approval load: [decisions/day/approver at launch — and the redesign applied if it exceeded budget]
