# material.measure

> Talos next · Since next

Mean linear albedo, roughness, metallic, emission in nits, checked against a class (grass, rock, plaster, brick, clay-tile, timber, stone, cobble, iron...).

With a mesh: tileSizeM and texelsPerMetre.

| | |
|---|---|
| Title | Measure a material |
| Mode | `disk` |
| Token cost | about 140 tokens (listed only when its toolset is enabled) |
| Toolset | `materials` |

## Arguments

| Argument | Type | Required | Default | Allowed values | Description |
|---|---|---|---|---|---|
| `class` | `string` | no |  |  |  |
| `material` | `string` | yes |  |  | .material.json path |
| `mesh` | `string` | no |  |  | .glb or .gltf path |
| `meshName` | `string` | no |  |  |  |

## Example

An MCP `tools/call` with the required arguments (placeholders in angle brackets).

```json
{
  "name": "material.measure",
  "arguments": {
    "material": "<material>"
  }
}
```