Hugging Face · Capability

Hugging Face Inference API — Natural Language Processing

Hugging Face Inference API — Natural Language Processing. 11 operations. Lead operation: Run Inference on a Model. Self-contained Naftiko capability covering one Hugging Face business surface.

Run with Naftiko Hugging FaceNatural Language Processing

What You Can Do

POST
Runinference — Run Inference on a Model
/v1/models/{model-id}
POST
Featureextraction — Feature Extraction Inference
/v1/models/{model-id}/feature-extraction
POST
Fillmask — Fill Mask Inference
/v1/models/{model-id}/fill-mask
POST
Questionanswering — Question Answering Inference
/v1/models/{model-id}/question-answering
POST
Sentencesimilarity — Sentence Similarity Inference
/v1/models/{model-id}/sentence-similarity
POST
Summarization — Text Summarization Inference
/v1/models/{model-id}/summarization
POST
Textclassification — Text Classification Inference
/v1/models/{model-id}/text-classification
POST
Textgeneration — Text Generation Inference
/v1/models/{model-id}/text-generation
POST
Translation — Translation Inference
/v1/models/{model-id}/translation
POST
Zeroshotclassification — Zero-shot Classification Inference
/v1/models/{model-id}/zero-shot-classification
POST
Runpipelineinference — Run Inference by Task Pipeline
/v1/pipeline/{task}

MCP Tools

run-inference-model

Run Inference on a Model

feature-extraction-inference

Feature Extraction Inference

fill-mask-inference

Fill Mask Inference

question-answering-inference

Question Answering Inference

sentence-similarity-inference

Sentence Similarity Inference

text-summarization-inference

Text Summarization Inference

text-classification-inference

Text Classification Inference

text-generation-inference

Text Generation Inference

translation-inference

Translation Inference

zero-shot-classification-inference

Zero-shot Classification Inference

run-inference-task-pipeline

Run Inference by Task Pipeline

Capability Spec

inference-natural-language-processing.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: Hugging Face Inference API — Natural Language Processing
  description: 'Hugging Face Inference API — Natural Language Processing. 11 operations. Lead operation: Run Inference on
    a Model. Self-contained Naftiko capability covering one Hugging Face business surface.'
  tags:
  - Hugging Face
  - Natural Language Processing
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    HUGGING_FACE_API_KEY: HUGGING_FACE_API_KEY
capability:
  consumes:
  - type: http
    namespace: inference-natural-language-processing
    baseUri: https://api-inference.huggingface.co
    description: Hugging Face Inference API — Natural Language Processing business capability. Self-contained, no shared references.
    resources:
    - name: models-model_id
      path: /models/{model_id}
      operations:
      - name: runinference
        method: POST
        description: Run Inference on a Model
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          description: The model ID on the Hugging Face Hub (e.g., gpt2, bert-base-uncased)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-feature-extraction
      path: /models/{model_id}/feature-extraction
      operations:
      - name: featureextraction
        method: POST
        description: Feature Extraction Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-fill-mask
      path: /models/{model_id}/fill-mask
      operations:
      - name: fillmask
        method: POST
        description: Fill Mask Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-question-answering
      path: /models/{model_id}/question-answering
      operations:
      - name: questionanswering
        method: POST
        description: Question Answering Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-sentence-similarity
      path: /models/{model_id}/sentence-similarity
      operations:
      - name: sentencesimilarity
        method: POST
        description: Sentence Similarity Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-summarization
      path: /models/{model_id}/summarization
      operations:
      - name: summarization
        method: POST
        description: Text Summarization Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-text-classification
      path: /models/{model_id}/text-classification
      operations:
      - name: textclassification
        method: POST
        description: Text Classification Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-text-generation
      path: /models/{model_id}/text-generation
      operations:
      - name: textgeneration
        method: POST
        description: Text Generation Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-translation
      path: /models/{model_id}/translation
      operations:
      - name: translation
        method: POST
        description: Translation Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: models-model_id-zero-shot-classification
      path: /models/{model_id}/zero-shot-classification
      operations:
      - name: zeroshotclassification
        method: POST
        description: Zero-shot Classification Inference
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: model_id
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: pipeline-task
      path: /pipeline/{task}
      operations:
      - name: runpipelineinference
        method: POST
        description: Run Inference by Task Pipeline
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: task
          in: path
          type: string
          description: The pipeline task type (e.g., text-generation, text-classification, summarization)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.HUGGING_FACE_API_KEY}}'
  exposes:
  - type: rest
    namespace: inference-natural-language-processing-rest
    port: 8080
    description: REST adapter for Hugging Face Inference API — Natural Language Processing. One Spectral-compliant resource
      per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/models/{model-id}
      name: models-model-id
      description: REST surface for models-model_id.
      operations:
      - method: POST
        name: runinference
        description: Run Inference on a Model
        call: inference-natural-language-processing.runinference
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/feature-extraction
      name: models-model-id-feature-extraction
      description: REST surface for models-model_id-feature-extraction.
      operations:
      - method: POST
        name: featureextraction
        description: Feature Extraction Inference
        call: inference-natural-language-processing.featureextraction
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/fill-mask
      name: models-model-id-fill-mask
      description: REST surface for models-model_id-fill-mask.
      operations:
      - method: POST
        name: fillmask
        description: Fill Mask Inference
        call: inference-natural-language-processing.fillmask
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/question-answering
      name: models-model-id-question-answering
      description: REST surface for models-model_id-question-answering.
      operations:
      - method: POST
        name: questionanswering
        description: Question Answering Inference
        call: inference-natural-language-processing.questionanswering
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/sentence-similarity
      name: models-model-id-sentence-similarity
      description: REST surface for models-model_id-sentence-similarity.
      operations:
      - method: POST
        name: sentencesimilarity
        description: Sentence Similarity Inference
        call: inference-natural-language-processing.sentencesimilarity
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/summarization
      name: models-model-id-summarization
      description: REST surface for models-model_id-summarization.
      operations:
      - method: POST
        name: summarization
        description: Text Summarization Inference
        call: inference-natural-language-processing.summarization
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/text-classification
      name: models-model-id-text-classification
      description: REST surface for models-model_id-text-classification.
      operations:
      - method: POST
        name: textclassification
        description: Text Classification Inference
        call: inference-natural-language-processing.textclassification
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/text-generation
      name: models-model-id-text-generation
      description: REST surface for models-model_id-text-generation.
      operations:
      - method: POST
        name: textgeneration
        description: Text Generation Inference
        call: inference-natural-language-processing.textgeneration
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/translation
      name: models-model-id-translation
      description: REST surface for models-model_id-translation.
      operations:
      - method: POST
        name: translation
        description: Translation Inference
        call: inference-natural-language-processing.translation
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/models/{model-id}/zero-shot-classification
      name: models-model-id-zero-shot-classification
      description: REST surface for models-model_id-zero-shot-classification.
      operations:
      - method: POST
        name: zeroshotclassification
        description: Zero-shot Classification Inference
        call: inference-natural-language-processing.zeroshotclassification
        with:
          model_id: rest.model_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/pipeline/{task}
      name: pipeline-task
      description: REST surface for pipeline-task.
      operations:
      - method: POST
        name: runpipelineinference
        description: Run Inference by Task Pipeline
        call: inference-natural-language-processing.runpipelineinference
        with:
          task: rest.task
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: inference-natural-language-processing-mcp
    port: 9090
    transport: http
    description: MCP adapter for Hugging Face Inference API — Natural Language Processing. One tool per consumed operation,
      routed inline through this capability's consumes block.
    tools:
    - name: run-inference-model
      description: Run Inference on a Model
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.runinference
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: feature-extraction-inference
      description: Feature Extraction Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.featureextraction
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: fill-mask-inference
      description: Fill Mask Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.fillmask
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: question-answering-inference
      description: Question Answering Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.questionanswering
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: sentence-similarity-inference
      description: Sentence Similarity Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.sentencesimilarity
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: text-summarization-inference
      description: Text Summarization Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.summarization
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: text-classification-inference
      description: Text Classification Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.textclassification
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: text-generation-inference
      description: Text Generation Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.textgeneration
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: translation-inference
      description: Translation Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.translation
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: zero-shot-classification-inference
      description: Zero-shot Classification Inference
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.zeroshotclassification
      with:
        model_id: tools.model_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: run-inference-task-pipeline
      description: Run Inference by Task Pipeline
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: inference-natural-language-processing.runpipelineinference
      with:
        task: tools.task
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.