Label Studio · Capability

API Reference — subpackage_ml

API Reference — subpackage_ml. 9 operations. Lead operation: List ML backends. Self-contained Naftiko capability covering one Label Studio business surface.

Run with Naftiko Label Studiosubpackage_ml

What You Can Do

GET
List — List ML backends
/v1/api/ml
POST
Create — Add ML Backend
/v1/api/ml
GET
Get — Get ML Backend
/v1/api/ml/{id}
DELETE
Delete — Remove ML Backend
/v1/api/ml/{id}
PATCH
Update — Update ML Backend
/v1/api/ml/{id}
POST
Predictinteractive — Request Interactive Annotation
/v1/api/ml/{id}/interactive-annotating
POST
Predictalltasks — ✨ Create predictions for all tasks
/v1/api/ml/{id}/predict
POST
Train — Train
/v1/api/ml/{id}/train
GET
Listmodelversions — Get model versions
/v1/api/ml/{id}/versions

MCP Tools

list-ml-backends

List ML backends

read-only idempotent
add-ml-backend

Add ML Backend

get-ml-backend

Get ML Backend

read-only idempotent
remove-ml-backend

Remove ML Backend

idempotent
update-ml-backend

Update ML Backend

idempotent
request-interactive-annotation

Request Interactive Annotation

create-predictions-all-tasks

✨ Create predictions for all tasks

train

Train

get-model-versions

Get model versions

read-only idempotent

Capability Spec

label-studio-subpackage-ml.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: API Reference — subpackage_ml
  description: 'API Reference — subpackage_ml. 9 operations. Lead operation: List ML backends. Self-contained Naftiko capability
    covering one Label Studio business surface.'
  tags:
  - Label Studio
  - subpackage_ml
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    LABEL_STUDIO_API_KEY: LABEL_STUDIO_API_KEY
capability:
  consumes:
  - type: http
    namespace: label-studio-subpackage-ml
    baseUri: http://localhost:8000
    description: API Reference — subpackage_ml business capability. Self-contained, no shared references.
    resources:
    - name: api-ml
      path: /api/ml/
      operations:
      - name: list
        method: GET
        description: List ML backends
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: project
          in: query
          type: integer
          description: Project ID
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
      - name: create
        method: POST
        description: Add ML Backend
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-ml-id
      path: /api/ml/{id}
      operations:
      - name: get
        method: GET
        description: Get ML Backend
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
      - name: delete
        method: DELETE
        description: Remove ML Backend
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
      - name: update
        method: PATCH
        description: Update ML Backend
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-ml-id-interactive-annotating
      path: /api/ml/{id}/interactive-annotating
      operations:
      - name: predictinteractive
        method: POST
        description: Request Interactive Annotation
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          description: A unique integer value identifying this ML backend.
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-ml-id-predict
      path: /api/ml/{id}/predict
      operations:
      - name: predictalltasks
        method: POST
        description: ✨ Create predictions for all tasks
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          description: A unique integer value identifying this ML backend.
          required: true
        - name: batch_size
          in: query
          type: integer
          description: Computed number of tasks without predictions that the ML backend needs to predict.
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
    - name: api-ml-id-train
      path: /api/ml/{id}/train
      operations:
      - name: train
        method: POST
        description: Train
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          description: A unique integer value identifying this ML backend.
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-ml-id-versions
      path: /api/ml/{id}/versions
      operations:
      - name: listmodelversions
        method: GET
        description: Get model versions
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: integer
          required: true
        - name: Authorization
          in: header
          type: string
          description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
            Account page in Label Studio. Example: <br><pre><code class='
          required: true
    authentication:
      type: apikey
      key: Authorization
      value: '{{env.LABEL_STUDIO_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: label-studio-subpackage-ml-rest
    port: 8080
    description: REST adapter for API Reference — subpackage_ml. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/api/ml
      name: api-ml
      description: REST surface for api-ml.
      operations:
      - method: GET
        name: list
        description: List ML backends
        call: label-studio-subpackage-ml.list
        with:
          project: rest.project
          Authorization: rest.Authorization
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: create
        description: Add ML Backend
        call: label-studio-subpackage-ml.create
        with:
          Authorization: rest.Authorization
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/ml/{id}
      name: api-ml-id
      description: REST surface for api-ml-id.
      operations:
      - method: GET
        name: get
        description: Get ML Backend
        call: label-studio-subpackage-ml.get
        with:
          id: rest.id
          Authorization: rest.Authorization
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: delete
        description: Remove ML Backend
        call: label-studio-subpackage-ml.delete
        with:
          id: rest.id
          Authorization: rest.Authorization
        outputParameters:
        - type: object
          mapping: $.
      - method: PATCH
        name: update
        description: Update ML Backend
        call: label-studio-subpackage-ml.update
        with:
          id: rest.id
          Authorization: rest.Authorization
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/ml/{id}/interactive-annotating
      name: api-ml-id-interactive-annotating
      description: REST surface for api-ml-id-interactive-annotating.
      operations:
      - method: POST
        name: predictinteractive
        description: Request Interactive Annotation
        call: label-studio-subpackage-ml.predictinteractive
        with:
          id: rest.id
          Authorization: rest.Authorization
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/ml/{id}/predict
      name: api-ml-id-predict
      description: REST surface for api-ml-id-predict.
      operations:
      - method: POST
        name: predictalltasks
        description: ✨ Create predictions for all tasks
        call: label-studio-subpackage-ml.predictalltasks
        with:
          id: rest.id
          batch_size: rest.batch_size
          Authorization: rest.Authorization
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/ml/{id}/train
      name: api-ml-id-train
      description: REST surface for api-ml-id-train.
      operations:
      - method: POST
        name: train
        description: Train
        call: label-studio-subpackage-ml.train
        with:
          id: rest.id
          Authorization: rest.Authorization
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/ml/{id}/versions
      name: api-ml-id-versions
      description: REST surface for api-ml-id-versions.
      operations:
      - method: GET
        name: listmodelversions
        description: Get model versions
        call: label-studio-subpackage-ml.listmodelversions
        with:
          id: rest.id
          Authorization: rest.Authorization
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: label-studio-subpackage-ml-mcp
    port: 9090
    transport: http
    description: MCP adapter for API Reference — subpackage_ml. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: list-ml-backends
      description: List ML backends
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: label-studio-subpackage-ml.list
      with:
        project: tools.project
        Authorization: tools.Authorization
      outputParameters:
      - type: object
        mapping: $.
    - name: add-ml-backend
      description: Add ML Backend
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: label-studio-subpackage-ml.create
      with:
        Authorization: tools.Authorization
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: get-ml-backend
      description: Get ML Backend
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: label-studio-subpackage-ml.get
      with:
        id: tools.id
        Authorization: tools.Authorization
      outputParameters:
      - type: object
        mapping: $.
    - name: remove-ml-backend
      description: Remove ML Backend
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: label-studio-subpackage-ml.delete
      with:
        id: tools.id
        Authorization: tools.Authorization
      outputParameters:
      - type: object
        mapping: $.
    - name: update-ml-backend
      description: Update ML Backend
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: label-studio-subpackage-ml.update
      with:
        id: tools.id
        Authorization: tools.Authorization
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: request-interactive-annotation
      description: Request Interactive Annotation
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: label-studio-subpackage-ml.predictinteractive
      with:
        id: tools.id
        Authorization: tools.Authorization
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: create-predictions-all-tasks
      description: ✨ Create predictions for all tasks
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: label-studio-subpackage-ml.predictalltasks
      with:
        id: tools.id
        batch_size: tools.batch_size
        Authorization: tools.Authorization
      outputParameters:
      - type: object
        mapping: $.
    - name: train
      description: Train
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: label-studio-subpackage-ml.train
      with:
        id: tools.id
        Authorization: tools.Authorization
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: get-model-versions
      description: Get model versions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: label-studio-subpackage-ml.listmodelversions
      with:
        id: tools.id
        Authorization: tools.Authorization
      outputParameters:
      - type: object
        mapping: $.