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estimate

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Estimate how many points and how many hours a task, a feature, or a screen takes: size each item with a stated basis, mark the confidence, and add the risk buffer as a visible line, so the numbers can be argued with in planning. Use for story points, hour or man-day estimates, and re-estimation after scope change. Triggers on: "estimate", "estimation", "story point", "man-day", "how long will this take", "ước lượng", "bao nhiêu point", "mất bao lâu", "見積", "工数", "何時間かかる", "/atk:estimate".

plugins/atk/skills/estimate/SKILL.md

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Nov 9, 2026
License
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# Estimation (`atk:estimate`)

Produces an estimate whose numbers can be argued with, because every number carries the basis it
came from: a comparable past item, a decomposition, or a stated unknown. It answers how much each
item costs, in points and in hours; which items go into a sprint is the PM's call in sprint
planning, made from these numbers and the team's resources.

## Scope

Handles: sizing backlog items, recording the estimation basis and confidence, adding a risk buffer,
and flagging items too large or too vague to estimate.

Does NOT handle: writing the requirement (`atk:intake`), splitting work into tasks
(`atk:breakdown`), or the team's capacity and the sprint commitment, which the PM works out in