# Create rubrics

URL: https://docs.hanzo.ai/docs/openapi/eval/post-eval-rubrics

> Defines the shape of one score name for the caller's org and answers 201 with it.

`POST /v1/eval/rubrics`

> [Eval →](https://docs.hanzo.ai/docs/openapi/eval) · [All API references →](https://docs.hanzo.ai/docs/openapi) · [Get started →](https://docs.hanzo.ai/docs/guides)

|               |                                        |
| ------------- | -------------------------------------- |
| **Address**   | `https://api.hanzo.ai/v1/eval/rubrics` |
| **Method**    | `POST`                                 |
| **Operation** | `post_eval_rubrics`                    |
| **Auth**      | `Authorization: Bearer $HANZO_API_KEY` |

Defines the shape of one score name for the caller's org and
answers 201 with it.

This is the integrity contract, not documentation: once a rubric exists for a
name, every score recorded under that name is checked against it and the
rubric's data type is AUTHORITATIVE — a caller cannot claim a different one.
Out-of-range values, unlisted labels and non-finite numbers are refused at
write time.

A CATEGORICAL rubric with no categories is 400, as is a non-finite bound or a
minValue above maxValue. Requires a validated principal; 401 without one.

## Request

5 fields, body `application/json` (required).

| Field        | In   | Type            | Required | Description                                                                                |
| ------------ | ---- | --------------- | -------- | ------------------------------------------------------------------------------------------ |
| `categories` | body | string\[]       | —        | Categories is the closed set of labels a CATEGORICAL score may carry.                      |
| `dataType`   | body | string          | —        | DataType is NUMERIC (the default), CATEGORICAL or BOOLEAN.                                 |
| `maxValue`   | body | number (double) | —        | MaxValue is the inclusive ceiling a NUMERIC score must stay under, finite.                 |
| `minValue`   | body | number (double) | —        | MinValue is the inclusive floor a NUMERIC score must clear.                                |
| `name`       | body | string          | yes      | Name is the score name this rubric governs, matching ^\[A-Za-z0-9]\[A-Za-z0-9.\_-]{0,63}$. |

## Response

| Status    | Body                 | Meaning |
| --------- | -------------------- | ------- |
| `201`     | eval.scoreConfigView | created |
| `default` | problem-details      | refused |

`201` body — 7 fields.

| Field        | In   | Type            | Always | Description                                                                                                                        |
| ------------ | ---- | --------------- | ------ | ---------------------------------------------------------------------------------------------------------------------------------- |
| `categories` | body | string\[]       | —      | Categories is the closed set of labels a CATEGORICAL score may carry.                                                              |
| `createdAt`  | body | string          | —      | CreatedAt is when the rubric was first declared.                                                                                   |
| `dataType`   | body | string          | —      | DataType is NUMERIC, CATEGORICAL or BOOLEAN, and is authoritative — a score recorded under this name cannot claim a different one. |
| `maxValue`   | body | number (double) | —      | MaxValue is the inclusive ceiling a NUMERIC score must stay under, absent when unbounded.                                          |
| `minValue`   | body | number (double) | —      | MinValue is the inclusive floor a NUMERIC score must clear, absent when unbounded.                                                 |
| `name`       | body | string          | —      | Name is the score name this rubric governs.                                                                                        |
| `updatedAt`  | body | string          | —      | UpdatedAt is when it last changed.                                                                                                 |

Failure carries the platform error shape — see [Errors](https://docs.hanzo.ai/docs/errors).

## Examples

**CLI**

```bash
hanzo eval rubrics create --name <name>
```

**SDK**

**.ts**

```ts
import { Configuration, EvalApi } from 'hanzoai';

const api = new EvalApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.postEvalRubrics({ name: "<name>" });
```

**.py**

```python
from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import EvalApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = EvalApi(client).post_eval_rubrics(name="<name>")
```

**.go**

```go
cfg := hanzoai.NewConfiguration()
cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY"))
client := hanzoai.NewAPIClient(cfg)

resp, _, err := client.EvalAPI.PostEvalRubrics(context.Background()).Execute()
if err != nil {
	return err
}
```

**.rs**

```rust
use hanzo_client::apis::{configuration::Configuration, eval_api};

let mut cfg = Configuration::new();
cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok();

let result = eval_api::post_eval_rubrics(&cfg, Default::default()).await?;
```

**.java**

```java
import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.EvalApi;

ApiClient client = new ApiClient();
client.setBearerToken(System.getenv("HANZO_API_KEY"));

var result = new EvalApi(client).postEvalRubrics();
```

**HTTP**

```bash
curl -X POST https://api.hanzo.ai/v1/eval/rubrics \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "name": "<name>"
     }'
```

**MCP**

MCP reaches **eval** through the `eval` tool, which names its 16 operations with its own verbs — this one among them, under a name only MCP declares. `describe` explains any of them:

```bash
curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "describe",
         "arguments": {
           "op": "list_eval_datasets"
         }
       }
     }'
```

---

[Eval API](https://docs.hanzo.ai/docs/openapi/eval) · [All Hanzo APIs](https://docs.hanzo.ai/docs/openapi) · [Interactive reference](https://docs.hanzo.ai/docs/openapi/reference)