Blockfrost.io ~ API Documentation — Cardano » Blocks

naftiko: 1.0.0-alpha2
info:
  label: Blockfrost.io ~ API Documentation — Cardano » Blocks
  description: 'Blockfrost.io ~ API Documentation — Cardano » Blocks. 11 operations. Lead operation: Blockfrost Specific Block
    in a Slot in an Epoch. Self-contained Naftiko capability covering one Blockfrost business surface.'
  tags:
  - Blockfrost
  - Cardano » Blocks
  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-blocks
    baseUri: https://cardano-mainnet.blockfrost.io/api/v0
    description: Blockfrost.io ~ API Documentation — Cardano » Blocks business capability. Self-contained, no shared references.
    resources:
    - name: blocks-epoch-epoch_number-slot-slot_number
      path: /blocks/epoch/{epoch_number}/slot/{slot_number}
      operations:
      - name: get
        method: GET
        description: Blockfrost Specific Block in a Slot in an Epoch
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: epoch_number
          in: path
          type: integer
          description: Epoch for specific epoch slot.
          required: true
        - name: slot_number
          in: path
          type: integer
          description: Slot position for requested block.
          required: true
    - name: blocks-latest
      path: /blocks/latest
      operations:
      - name: get
        method: GET
        description: Blockfrost Latest Block
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: blocks-latest-txs
      path: /blocks/latest/txs
      operations:
      - name: get
        method: GET
        description: Blockfrost Latest Block Transactions
        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: Ordered by tx index in the block.
    - name: blocks-latest-txs-cbor
      path: /blocks/latest/txs/cbor
      operations:
      - name: get
        method: GET
        description: Blockfrost Latest Block Transactions with CBOR Data
        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: Ordered by tx index in the block.
    - name: blocks-slot-slot_number
      path: /blocks/slot/{slot_number}
      operations:
      - name: get
        method: GET
        description: Blockfrost Specific Block in a Slot
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: slot_number
          in: path
          type: integer
          description: Slot position for requested block.
          required: true
    - name: blocks-hash_or_number
      path: /blocks/{hash_or_number}
      operations:
      - name: get
        method: GET
        description: Blockfrost Specific Block
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash or number of the requested block.
          required: true
    - name: blocks-hash_or_number-addresses
      path: /blocks/{hash_or_number}/addresses
      operations:
      - name: get
        method: GET
        description: Blockfrost Addresses Affected in a Specific Block
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash of the requested block.
          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: blocks-hash_or_number-next
      path: /blocks/{hash_or_number}/next
      operations:
      - name: get
        method: GET
        description: Blockfrost Listing of Next Blocks
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash of the requested block.
          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: blocks-hash_or_number-previous
      path: /blocks/{hash_or_number}/previous
      operations:
      - name: get
        method: GET
        description: Blockfrost Listing of Previous Blocks
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash of the requested block
          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: blocks-hash_or_number-txs
      path: /blocks/{hash_or_number}/txs
      operations:
      - name: get
        method: GET
        description: Blockfrost Block Transactions
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash of the requested block.
          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: Ordered by tx index in the block.
    - name: blocks-hash_or_number-txs-cbor
      path: /blocks/{hash_or_number}/txs/cbor
      operations:
      - name: get
        method: GET
        description: Blockfrost Block Transactions with CBOR Data
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: hash_or_number
          in: path
          type: string
          description: Hash of the requested block.
          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: Ordered by tx index in the block.
    authentication:
      type: apikey
      key: project_id
      value: '{{env.BLOCKFROST_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: blockfrost-cardano-blocks-rest
    port: 8080
    description: REST adapter for Blockfrost.io ~ API Documentation — Cardano » Blocks. One Spectral-compliant resource per
      consumed operation, prefixed with /v1.
    resources:
    - path: /v1/blocks/epoch/{epoch-number}/slot/{slot-number}
      name: blocks-epoch-epoch-number-slot-slot-number
      description: REST surface for blocks-epoch-epoch_number-slot-slot_number.
      operations:
      - method: GET
        name: get
        description: Blockfrost Specific Block in a Slot in an Epoch
        call: blockfrost-cardano-blocks.get
        with:
          epoch_number: rest.epoch_number
          slot_number: rest.slot_number
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/latest
      name: blocks-latest
      description: REST surface for blocks-latest.
      operations:
      - method: GET
        name: get
        description: Blockfrost Latest Block
        call: blockfrost-cardano-blocks.get
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/latest/txs
      name: blocks-latest-txs
      description: REST surface for blocks-latest-txs.
      operations:
      - method: GET
        name: get
        description: Blockfrost Latest Block Transactions
        call: blockfrost-cardano-blocks.get
        with:
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/latest/txs/cbor
      name: blocks-latest-txs-cbor
      description: REST surface for blocks-latest-txs-cbor.
      operations:
      - method: GET
        name: get
        description: Blockfrost Latest Block Transactions with CBOR Data
        call: blockfrost-cardano-blocks.get
        with:
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/slot/{slot-number}
      name: blocks-slot-slot-number
      description: REST surface for blocks-slot-slot_number.
      operations:
      - method: GET
        name: get
        description: Blockfrost Specific Block in a Slot
        call: blockfrost-cardano-blocks.get
        with:
          slot_number: rest.slot_number
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}
      name: blocks-hash-or-number
      description: REST surface for blocks-hash_or_number.
      operations:
      - method: GET
        name: get
        description: Blockfrost Specific Block
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}/addresses
      name: blocks-hash-or-number-addresses
      description: REST surface for blocks-hash_or_number-addresses.
      operations:
      - method: GET
        name: get
        description: Blockfrost Addresses Affected in a Specific Block
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
          count: rest.count
          page: rest.page
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}/next
      name: blocks-hash-or-number-next
      description: REST surface for blocks-hash_or_number-next.
      operations:
      - method: GET
        name: get
        description: Blockfrost Listing of Next Blocks
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
          count: rest.count
          page: rest.page
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}/previous
      name: blocks-hash-or-number-previous
      description: REST surface for blocks-hash_or_number-previous.
      operations:
      - method: GET
        name: get
        description: Blockfrost Listing of Previous Blocks
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
          count: rest.count
          page: rest.page
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}/txs
      name: blocks-hash-or-number-txs
      description: REST surface for blocks-hash_or_number-txs.
      operations:
      - method: GET
        name: get
        description: Blockfrost Block Transactions
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/blocks/{hash-or-number}/txs/cbor
      name: blocks-hash-or-number-txs-cbor
      description: REST surface for blocks-hash_or_number-txs-cbor.
      operations:
      - method: GET
        name: get
        description: Blockfrost Block Transactions with CBOR Data
        call: blockfrost-cardano-blocks.get
        with:
          hash_or_number: rest.hash_or_number
          count: rest.count
          page: rest.page
          order: rest.order
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: blockfrost-cardano-blocks-mcp
    port: 9090
    transport: http
    description: MCP adapter for Blockfrost.io ~ API Documentation — Cardano » Blocks. One tool per consumed operation, routed
      inline through this capability's consumes block.
    tools:
    - name: blockfrost-specific-block-slot-epoch
      description: Blockfrost Specific Block in a Slot in an Epoch
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        epoch_number: tools.epoch_number
        slot_number: tools.slot_number
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-latest-block
      description: Blockfrost Latest Block
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-latest-block-transactions
      description: Blockfrost Latest Block Transactions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-latest-block-transactions-cbor
      description: Blockfrost Latest Block Transactions with CBOR Data
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-specific-block-slot
      description: Blockfrost Specific Block in a Slot
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        slot_number: tools.slot_number
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-specific-block
      description: Blockfrost Specific Block
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-addresses-affected-specific-block
      description: Blockfrost Addresses Affected in a Specific Block
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
        count: tools.count
        page: tools.page
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-listing-next-blocks
      description: Blockfrost Listing of Next Blocks
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
        count: tools.count
        page: tools.page
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-listing-previous-blocks
      description: Blockfrost Listing of Previous Blocks
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
        count: tools.count
        page: tools.page
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-block-transactions
      description: Blockfrost Block Transactions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.
    - name: blockfrost-block-transactions-cbor-data
      description: Blockfrost Block Transactions with CBOR Data
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: blockfrost-cardano-blocks.get
      with:
        hash_or_number: tools.hash_or_number
        count: tools.count
        page: tools.page
        order: tools.order
      outputParameters:
      - type: object
        mapping: $.