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Langfuse ACTION

List Scores

Retrieve a paginated list of scores from Langfuse with optional filters. See the documentation.
  • Action
  • Read only
  • API key
  • SDK
  • MCP

IMPLEMENTATION

Call this tool

Connect a user's Langfuse account once, then configure and run List Scores from your backend or agent.

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "langfuse-list-scores",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    langfuse: { authProvisionId: "apn_xxxxxxx" },
    traceId: "Trace ID",
    userId: "User ID",
  },
})

console.log(result)

SCHEMA

Inputs

Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.

List Scores inputs
Property Type Description
traceId Trace ID string
The ID of a trace, for example trace-cm123abc456def789. Use the List Observations action to discover valid trace IDs.
Optional
userId User ID string
Filter scores by the external user identifier.
Optional
name Name string
Filter scores by name (e.g. quality).
Optional
dataType Data Type string
Filter scores by data type. Accepted values include NUMERIC, BOOLEAN, and CATEGORICAL.
Optional
source Source string
Filter scores by source. Accepted values include ANNOTATION, API, and EVAL.
Optional
fromTimestamp From Timestamp string
Return scores created at or after this timestamp. Use ISO 8601 format (e.g. 2024-01-01T00:00:00Z).
Optional
toTimestamp To Timestamp string
Return scores created before this timestamp. Use ISO 8601 format (e.g. 2024-12-31T23:59:59Z).
Optional
page Page integer
The page number to retrieve (1-based). Defaults to the first page.
Optional
limit Limit integer
The number of items to return per page. Min: 1, Max: 100.
Optional

REFERENCE

Tool details

Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.

Registry key
langfuse-list-scores
Version
0.0.2
App
Langfuse
Authentication
API key
Read-only
Yes
Destructive
No
Open world
Yes