List scores

Lists eval scores and human-feedback signals attached to traces and observations, newest first.

GET /v1/o11y/llm/scores

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Address	`https://api.hanzo.ai/v1/o11y/llm/scores`
Method	`GET`
Operation	`ListLLMScores`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Lists eval scores and human-feedback signals attached to traces and observations, newest first.

Callers need the viewer role; the runtime's own gate enforces it.

Request

6 fields.

Field	In	Type	Required	Description
`traceId`	query	string	—	TraceID narrows to scores on one trace.
`observationId`	query	string	—	ObservationID narrows to scores on one observation.
`name`	query	string	—	Name narrows to scores of one name.
`source`	query	string	—	Source narrows to scores from one source, e.g. API, EVAL.
`offset`	query	integer	—	Offset is how many rows to skip, for paging.
`limit`	query	integer	—	Limit caps how many rows come back.

Response

Status	Body	Meaning
`200`	o11y.O11yLLMScoresOut	ok
`202`	Approval	held for approval
`default`	problem-details	refused

200 body — 19 fields.

Field	In	Type	Always	Description
`data`	body	o11y.O11yLLMScoresPage	—
`data.items`	body	o11y.O11yLLMScore[]	—	Items are the scores, newest first.
`data.items[].comment`	body	string	—	Comment is a free-text note.
`data.items[].createdAt`	body	string (date-time)	—	CreatedAt is when the score was stored.
`data.items[].createdBy`	body	string	—	CreatedBy is who created the score.
`data.items[].dataType`	body	string	—	DataType is the score's kind — NUMERIC or CATEGORICAL.
`data.items[].id`	body	string	—	ID is the score's id.
`data.items[].name`	body	string	—	Name is the score's name.
`data.items[].observationId`	body	string	—	ObservationID is the observation the score attaches to, when narrowed.
`data.items[].source`	body	string	—	Source is where the score came from, e.g. API, EVAL.
`data.items[].stringValue`	body	string	—	StringValue is the categorical score, when the score is categorical.
`data.items[].timestamp`	body	string (date-time)	—	Timestamp is the score's own event time.
`data.items[].traceId`	body	string	—	TraceID is the trace the score attaches to.
`data.items[].updatedAt`	body	string (date-time)	—	UpdatedAt is when the score last changed.
`data.items[].value`	body	number (double)	—	Value is the numeric score.
`data.limit`	body	integer (int64)	—	Limit is the page cap the read ran with.
`data.offset`	body	integer (int64)	—	Offset is the row offset this page started at.
`data.total`	body	integer (int64)	—	Total is how many scores match, across all pages.
`status`	body	string	—	Status is "success".

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo o11y llm scores get

.ts

.py

.go

.rs

.java

import { Configuration, O11yApi } from 'hanzoai';

const api = new O11yApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.listLLMScores();

from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import O11yApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = O11yApi(client).list_llm_scores()

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

resp, _, err := client.O11yAPI.ListLLMScores(context.Background()).Execute()
if err != nil {
	return err
}

use hanzo_client::apis::{configuration::Configuration, o11y_api};

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

let result = o11y_api::list_llm_scores(&cfg, Default::default()).await?;

import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.O11yApi;

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

var result = new O11yApi(client).listLLMScores();

curl https://api.hanzo.ai/v1/o11y/llm/scores \
  -H "Authorization: Bearer $HANZO_API_KEY"

Tool o11y, op ListLLMScores — POST the JSON-RPC envelope to https://api.hanzo.ai/v1/mcp.

curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "o11y",
         "arguments": {
           "op": "ListLLMScores",
           "input": {}
         }
       }
     }'

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