langfuse — Scores

naftiko: 1.0.0-alpha2
info:
  label: langfuse — Scores
  description: 'langfuse — Scores. 2 operations. Lead operation: Scores. Self-contained Naftiko capability covering one Langfuse
    business surface.'
  tags:
  - Langfuse
  - Scores
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    LANGFUSE_API_KEY: LANGFUSE_API_KEY
capability:
  consumes:
  - type: http
    namespace: langfuse-scores
    baseUri: ''
    description: langfuse — Scores business capability. Self-contained, no shared references.
    resources:
    - name: api-public-v2-scores
      path: /api/public/v2/scores
      operations:
      - name: scoresgetmany
        method: GET
        description: Get a list of scores (supports both trace and session scores)
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: page
          in: query
          type: integer
          description: Page number, starts at 1.
        - name: limit
          in: query
          type: integer
          description: Limit of items per page. If you encounter api issues due to too large page sizes, try to reduce the
            limit.
        - name: userId
          in: query
          type: string
          description: Retrieve only scores with this userId associated to the trace.
        - name: name
          in: query
          type: string
          description: Retrieve only scores with this name.
        - name: fromTimestamp
          in: query
          type: string
          description: Optional filter to only include scores created on or after a certain datetime (ISO 8601)
        - name: toTimestamp
          in: query
          type: string
          description: Optional filter to only include scores created before a certain datetime (ISO 8601)
        - name: environment
          in: query
          type: array
          description: Optional filter for scores where the environment is one of the provided values.
        - name: source
          in: query
          type: string
          description: Retrieve only scores from a specific source.
        - name: operator
          in: query
          type: string
          description: Retrieve only scores with <operator> value.
        - name: value
          in: query
          type: number
          description: Retrieve only scores with <operator> value.
        - name: scoreIds
          in: query
          type: string
          description: Comma-separated list of score IDs to limit the results to.
        - name: configId
          in: query
          type: string
          description: Retrieve only scores with a specific configId.
        - name: sessionId
          in: query
          type: string
          description: Retrieve only scores with a specific sessionId.
        - name: datasetRunId
          in: query
          type: string
          description: Retrieve only scores with a specific datasetRunId.
        - name: traceId
          in: query
          type: string
          description: Retrieve only scores with a specific traceId.
        - name: observationId
          in: query
          type: string
          description: Comma-separated list of observation IDs to filter scores by.
        - name: queueId
          in: query
          type: string
          description: Retrieve only scores with a specific annotation queueId.
        - name: dataType
          in: query
          type: string
          description: Retrieve only scores with a specific dataType.
        - name: traceTags
          in: query
          type: array
          description: Only scores linked to traces that include all of these tags will be returned.
        - name: fields
          in: query
          type: string
          description: 'Comma-separated list of field groups to include in the response. Available field groups: ''score''
            (core score fields), ''trace'' (trace properties: userId, tags, e'
        - name: filter
          in: query
          type: string
          description: 'A JSON stringified array of filter objects. Each object requires type, column, operator, and value.
            Supports filtering by score metadata using the stringObject '
    - name: api-public-v2-scores-scoreId
      path: /api/public/v2/scores/{scoreId}
      operations:
      - name: scoresgetbyid
        method: GET
        description: Get a score (supports both trace and session scores)
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: scoreId
          in: path
          type: string
          description: The unique langfuse identifier of a score
          required: true
    authentication:
      type: basic
      username: '{{env.LANGFUSE_USER}}'
      password: '{{env.LANGFUSE_PASS}}'
  exposes:
  - type: rest
    namespace: langfuse-scores-rest
    port: 8080
    description: REST adapter for langfuse — Scores. One Spectral-compliant resource per consumed operation, prefixed with
      /v1.
    resources:
    - path: /v1/api/public/v2/scores
      name: api-public-v2-scores
      description: REST surface for api-public-v2-scores.
      operations:
      - method: GET
        name: scoresgetmany
        description: Get a list of scores (supports both trace and session scores)
        call: langfuse-scores.scoresgetmany
        with:
          page: rest.page
          limit: rest.limit
          userId: rest.userId
          name: rest.name
          fromTimestamp: rest.fromTimestamp
          toTimestamp: rest.toTimestamp
          environment: rest.environment
          source: rest.source
          operator: rest.operator
          value: rest.value
          scoreIds: rest.scoreIds
          configId: rest.configId
          sessionId: rest.sessionId
          datasetRunId: rest.datasetRunId
          traceId: rest.traceId
          observationId: rest.observationId
          queueId: rest.queueId
          dataType: rest.dataType
          traceTags: rest.traceTags
          fields: rest.fields
          filter: rest.filter
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/public/v2/scores/{scoreid}
      name: api-public-v2-scores-scoreid
      description: REST surface for api-public-v2-scores-scoreId.
      operations:
      - method: GET
        name: scoresgetbyid
        description: Get a score (supports both trace and session scores)
        call: langfuse-scores.scoresgetbyid
        with:
          scoreId: rest.scoreId
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: langfuse-scores-mcp
    port: 9090
    transport: http
    description: MCP adapter for langfuse — Scores. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: get-list-scores-supports-both
      description: Get a list of scores (supports both trace and session scores)
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: langfuse-scores.scoresgetmany
      with:
        page: tools.page
        limit: tools.limit
        userId: tools.userId
        name: tools.name
        fromTimestamp: tools.fromTimestamp
        toTimestamp: tools.toTimestamp
        environment: tools.environment
        source: tools.source
        operator: tools.operator
        value: tools.value
        scoreIds: tools.scoreIds
        configId: tools.configId
        sessionId: tools.sessionId
        datasetRunId: tools.datasetRunId
        traceId: tools.traceId
        observationId: tools.observationId
        queueId: tools.queueId
        dataType: tools.dataType
        traceTags: tools.traceTags
        fields: tools.fields
        filter: tools.filter
      outputParameters:
      - type: object
        mapping: $.
    - name: get-score-supports-both-trace
      description: Get a score (supports both trace and session scores)
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: langfuse-scores.scoresgetbyid
      with:
        scoreId: tools.scoreId
      outputParameters:
      - type: object
        mapping: $.