Blockfrost.io ~ API Documentation — Cardano » Utilities

naftiko: 1.0.0-alpha2
info:
  label: Blockfrost.io ~ API Documentation — Cardano » Utilities
  description: 'Blockfrost.io ~ API Documentation — Cardano » Utilities. 3 operations. Lead operation: Blockfrost Derive an
    Address. Self-contained Naftiko capability covering one Blockfrost business surface.'
  tags:
  - Blockfrost
  - Cardano » Utilities
  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-utilities
    baseUri: https://cardano-mainnet.blockfrost.io/api/v0
    description: Blockfrost.io ~ API Documentation — Cardano » Utilities business capability. Self-contained, no shared references.
    resources:
    - name: utils-addresses-xpub-xpub-role-index
      path: /utils/addresses/xpub/{xpub}/{role}/{index}
      operations:
      - name: get
        method: GET
        description: Blockfrost Derive an Address
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: xpub
          in: path
          type: string
          description: Hex xpub
          required: true
        - name: role
          in: path
          type: integer
          description: Account role
          required: true
        - name: index
          in: path
          type: integer
          description: Address index
          required: true
    - name: utils-txs-evaluate
      path: /utils/txs/evaluate
      operations:
      - name: post
        method: POST
        description: Blockfrost Submit a Transaction for Execution Units Evaluation
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
          required: true
        - name: version
          in: query
          type: number
          description: Optional parameter to specify the version of the Ogmios service to use. Default is `5`. Set to `6`
            to use Ogmios version 6.
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: utils-txs-evaluate-utxos
      path: /utils/txs/evaluate/utxos
      operations:
      - name: post
        method: POST
        description: Blockfrost Submit a Transaction for Execution Units Evaluation (additional UTXO Set)
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
          required: true
        - name: version
          in: query
          type: number
          description: Optional parameter to specify the version of the Ogmios service to use. Default is `5`. Set to `6`
            to use Ogmios version 6.
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: apikey
      key: project_id
      value: '{{env.BLOCKFROST_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: blockfrost-cardano-utilities-rest
    port: 8080
    description: REST adapter for Blockfrost.io ~ API Documentation — Cardano » Utilities. One Spectral-compliant resource
      per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/utils/addresses/xpub/{xpub}/{role}/{index}
      name: utils-addresses-xpub-xpub-role-index
      description: REST surface for utils-addresses-xpub-xpub-role-index.
      operations:
      - method: GET
        name: get
        description: Blockfrost Derive an Address
        call: blockfrost-cardano-utilities.get
        with:
          xpub: rest.xpub
          role: rest.role
          index: rest.index
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/utils/txs/evaluate
      name: utils-txs-evaluate
      description: REST surface for utils-txs-evaluate.
      operations:
      - method: POST
        name: post
        description: Blockfrost Submit a Transaction for Execution Units Evaluation
        call: blockfrost-cardano-utilities.post
        with:
          Content-Type: rest.Content-Type
          version: rest.version
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/utils/txs/evaluate/utxos
      name: utils-txs-evaluate-utxos
      description: REST surface for utils-txs-evaluate-utxos.
      operations:
      - method: POST
        name: post
        description: Blockfrost Submit a Transaction for Execution Units Evaluation (additional UTXO Set)
        call: blockfrost-cardano-utilities.post
        with:
          Content-Type: rest.Content-Type
          version: rest.version
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: blockfrost-cardano-utilities-mcp
    port: 9090
    transport: http
    description: MCP adapter for Blockfrost.io ~ API Documentation — Cardano » Utilities. One tool per consumed operation,
      routed inline through this capability's consumes block.
    tools:
    - name: blockfrost-derive-address
      description: Blockfrost Derive an Address
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-utilities.get
      with:
        xpub: tools.xpub
        role: tools.role
        index: tools.index
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-submit-transaction-execution-units
      description: Blockfrost Submit a Transaction for Execution Units Evaluation
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: blockfrost-cardano-utilities.post
      with:
        Content-Type: tools.Content-Type
        version: tools.version
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-submit-transaction-execution-units-2
      description: Blockfrost Submit a Transaction for Execution Units Evaluation (additional UTXO Set)
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: blockfrost-cardano-utilities.post
      with:
        Content-Type: tools.Content-Type
        version: tools.version
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.