naftiko: 1.0.0-alpha2
info:
  label: Etherscan API — Contracts
  description: 'Etherscan API — Contracts. 1 operations. Lead operation: Unified API endpoint. Self-contained Naftiko capability
    covering one Etherscan business surface.'
  tags:
  - Etherscan
  - Contracts
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    ETHERSCAN_API_KEY: ETHERSCAN_API_KEY
capability:
  consumes:
  - type: http
    namespace: etherscan-contracts
    baseUri: https://api.etherscan.io/v2/api
    description: Etherscan API — Contracts business capability. Self-contained, no shared references.
    resources:
    - name: root
      path: /
      operations:
      - name: callapi
        method: GET
        description: Unified API endpoint
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: chainid
          in: query
          type: integer
          description: Numeric chain ID (e.g. 1 for Ethereum mainnet, 56 for BNB Smart Chain, 8453 for Base).
          required: true
        - name: module
          in: query
          type: string
          description: API module (account, contract, transaction, block, stats, gastracker, token).
          required: true
        - name: action
          in: query
          type: string
          description: Action within the module (e.g. balance, txlist, tokenbalance, getabi).
          required: true
        - name: address
          in: query
          type: string
          description: Ethereum address for account or token operations.
        - name: contractaddress
          in: query
          type: string
          description: Smart contract address for token or contract operations.
        - name: startblock
          in: query
          type: integer
        - name: endblock
          in: query
          type: integer
        - name: page
          in: query
          type: integer
        - name: offset
          in: query
          type: integer
        - name: sort
          in: query
          type: string
        - name: tag
          in: query
          type: string
          description: Block tag (latest, earliest, pending) or block number.
    authentication:
      type: apikey
      key: apikey
      value: '{{env.ETHERSCAN_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: etherscan-contracts-rest
    port: 8080
    description: REST adapter for Etherscan API — Contracts. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1
      name: root
      description: REST surface for root.
      operations:
      - method: GET
        name: callapi
        description: Unified API endpoint
        call: etherscan-contracts.callapi
        with:
          chainid: rest.chainid
          module: rest.module
          action: rest.action
          address: rest.address
          contractaddress: rest.contractaddress
          startblock: rest.startblock
          endblock: rest.endblock
          page: rest.page
          offset: rest.offset
          sort: rest.sort
          tag: rest.tag
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: etherscan-contracts-mcp
    port: 9090
    transport: http
    description: MCP adapter for Etherscan API — Contracts. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: unified-api-endpoint
      description: Unified API endpoint
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: etherscan-contracts.callapi
      with:
        chainid: tools.chainid
        module: tools.module
        action: tools.action
        address: tools.address
        contractaddress: tools.contractaddress
        startblock: tools.startblock
        endblock: tools.endblock
        page: tools.page
        offset: tools.offset
        sort: tools.sort
        tag: tools.tag
      outputParameters:
      - type: object
        mapping: $.