---
title: "tool si.read.estimate"
description: "an estimator, the case: the estimate with its interval, its evidence and its familiarity, or withheld."
section: reference
address: /reference/tools/si-read-estimate
contract: 0476e35e6e275db5
---

# tool si.read.estimate

an estimator, the case: the estimate with its interval, its evidence and its familiarity, or withheld.

[figure: Over MCP, si.read.estimate takes EstimateInput and returns a card whose body is Estimate.]

the estimate with its interval, its evidence and its familiarity, or withheld. The call needs the read grant at the strategy rung.



| | |
|---|---|
| input | [EstimateInput](/concepts/estimateinput) |
| result | a card whose body is [Estimate](/concepts/estimate) |
| read-only | yes |
| destructive | no |
| card address | `ui://scale-intelligence/cards/Estimate` |
| HTTP route | [`/v1/read/estimate`](/reference/read/estimate) |





| field | type | required | note |
|---|---|---|---|
| `model` | [Model](/concepts/model) | yes |  |
| `case` | [UnitRef](/concepts/unitref) | yes |  |