Blockfrost.io ~ API Documentation — Cardano » Metadata

naftiko: 1.0.0-alpha2
info:
  label: Blockfrost.io ~ API Documentation — Cardano » Metadata
  description: 'Blockfrost.io ~ API Documentation — Cardano » Metadata. 3 operations. Lead operation: Blockfrost Transaction
    Metadata Labels. Self-contained Naftiko capability covering one Blockfrost business surface.'
  tags:
  - Blockfrost
  - Cardano » Metadata
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    BLOCKFROST_API_KEY: BLOCKFROST_API_KEY
capability:
  consumes:
  - type: http
    namespace: blockfrost-cardano-metadata
    baseUri: https://cardano-mainnet.blockfrost.io/api/v0
    description: Blockfrost.io ~ API Documentation — Cardano » Metadata business capability. Self-contained, no shared references.
    resources:
    - name: metadata-txs-labels
      path: /metadata/txs/labels
      operations:
      - name: get
        method: GET
        description: Blockfrost Transaction Metadata Labels
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: count
          in: query
          type: integer
          description: The number of results displayed on one page.
        - name: page
          in: query
          type: integer
          description: The page number for listing the results.
        - name: order
          in: query
          type: string
          description: The ordering of items from the point of view of the blockchain,
    - name: metadata-txs-labels-label
      path: /metadata/txs/labels/{label}
      operations:
      - name: get
        method: GET
        description: Blockfrost Transaction Metadata Content in JSON
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: label
          in: path
          type: string
          description: Metadata label
          required: true
        - name: count
          in: query
          type: integer
          description: The number of results displayed on one page.
        - name: page
          in: query
          type: integer
          description: The page number for listing the results.
        - name: order
          in: query
          type: string
          description: The ordering of items from the point of view of the blockchain,
    - name: metadata-txs-labels-label-cbor
      path: /metadata/txs/labels/{label}/cbor
      operations:
      - name: get
        method: GET
        description: Blockfrost Transaction Metadata Content in CBOR
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: label
          in: path
          type: string
          description: Metadata label
          required: true
        - name: count
          in: query
          type: integer
          description: The number of results displayed on one page.
        - name: page
          in: query
          type: integer
          description: The page number for listing the results.
        - name: order
          in: query
          type: string
          description: The ordering of items from the point of view of the blockchain,
    authentication:
      type: apikey
      key: project_id
      value: '{{env.BLOCKFROST_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: blockfrost-cardano-metadata-rest
    port: 8080
    description: REST adapter for Blockfrost.io ~ API Documentation — Cardano » Metadata. One Spectral-compliant resource
      per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/metadata/txs/labels
      name: metadata-txs-labels
      description: REST surface for metadata-txs-labels.
      operations:
      - method: GET
        name: get
        description: Blockfrost Transaction Metadata Labels
        call: blockfrost-cardano-metadata.get
        with:
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/metadata/txs/labels/{label}
      name: metadata-txs-labels-label
      description: REST surface for metadata-txs-labels-label.
      operations:
      - method: GET
        name: get
        description: Blockfrost Transaction Metadata Content in JSON
        call: blockfrost-cardano-metadata.get
        with:
          label: rest.label
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/metadata/txs/labels/{label}/cbor
      name: metadata-txs-labels-label-cbor
      description: REST surface for metadata-txs-labels-label-cbor.
      operations:
      - method: GET
        name: get
        description: Blockfrost Transaction Metadata Content in CBOR
        call: blockfrost-cardano-metadata.get
        with:
          label: rest.label
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: blockfrost-cardano-metadata-mcp
    port: 9090
    transport: http
    description: MCP adapter for Blockfrost.io ~ API Documentation — Cardano » Metadata. One tool per consumed operation,
      routed inline through this capability's consumes block.
    tools:
    - name: blockfrost-transaction-metadata-labels
      description: Blockfrost Transaction Metadata Labels
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-metadata.get
      with:
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-transaction-metadata-content-json
      description: Blockfrost Transaction Metadata Content in JSON
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-metadata.get
      with:
        label: tools.label
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-transaction-metadata-content-cbor
      description: Blockfrost Transaction Metadata Content in CBOR
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-metadata.get
      with:
        label: tools.label
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.