Google Gmail API — Messages

naftiko: 1.0.0-alpha2
info:
  label: Google Gmail API — Messages
  description: 'Google Gmail API — Messages. 8 operations. Lead operation: Google List Messages. Self-contained Naftiko capability
    covering one Google business surface.'
  tags:
  - Google
  - Messages
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    GOOGLE_API_KEY: GOOGLE_API_KEY
capability:
  consumes:
  - type: http
    namespace: gmail-messages
    baseUri: https://gmail.googleapis.com
    description: Google Gmail API — Messages business capability. Self-contained, no shared references.
    resources:
    - name: gmail-v1-users-userId-messages
      path: /gmail/v1/users/{userId}/messages
      operations:
      - name: get
        method: GET
        description: Google List Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Accept
          in: header
          type: string
        - name: maxResults
          in: query
          type: string
        - name: pageToken
          in: query
          type: string
        - name: q
          in: query
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
      - name: post
        method: POST
        description: Google Insert Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: gmail-v1-users-userId-messages-import
      path: /gmail/v1/users/{userId}/messages/import
      operations:
      - name: post
        method: POST
        description: Google Import Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: gmail-v1-users-userId-messages-send
      path: /gmail/v1/users/{userId}/messages/send
      operations:
      - name: post
        method: POST
        description: Google Send Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: gmail-v1-users-userId-messages-id
      path: /gmail/v1/users/{userId}/messages/{id}
      operations:
      - name: get
        method: GET
        description: Google Get Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: id
          in: path
          type: string
          description: (Required)
          required: true
      - name: delete
        method: DELETE
        description: Google Delete Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: id
          in: path
          type: string
          description: (Required)
          required: true
    - name: gmail-v1-users-userId-messages-id-modify
      path: /gmail/v1/users/{userId}/messages/{id}/modify
      operations:
      - name: post
        method: POST
        description: Google Modify Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Content-Type
          in: header
          type: string
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: id
          in: path
          type: string
          description: (Required)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: gmail-v1-users-userId-messages-id-untrash
      path: /gmail/v1/users/{userId}/messages/{id}/untrash
      operations:
      - name: post
        method: POST
        description: Google Untrash Messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Accept
          in: header
          type: string
        - name: userId
          in: path
          type: string
          description: (Required)
          required: true
        - name: id
          in: path
          type: string
          description: (Required)
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
  exposes:
  - type: rest
    namespace: gmail-messages-rest
    port: 8080
    description: REST adapter for Google Gmail API — Messages. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/gmail/v1/users/{userid}/messages
      name: gmail-v1-users-userid-messages
      description: REST surface for gmail-v1-users-userId-messages.
      operations:
      - method: GET
        name: get
        description: Google List Messages
        call: gmail-messages.get
        with:
          Accept: rest.Accept
          maxResults: rest.maxResults
          pageToken: rest.pageToken
          q: rest.q
          userId: rest.userId
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: post
        description: Google Insert Messages
        call: gmail-messages.post
        with:
          Content-Type: rest.Content-Type
          Accept: rest.Accept
          userId: rest.userId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/gmail/v1/users/{userid}/messages/import
      name: gmail-v1-users-userid-messages-import
      description: REST surface for gmail-v1-users-userId-messages-import.
      operations:
      - method: POST
        name: post
        description: Google Import Messages
        call: gmail-messages.post
        with:
          Content-Type: rest.Content-Type
          Accept: rest.Accept
          userId: rest.userId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/gmail/v1/users/{userid}/messages/send
      name: gmail-v1-users-userid-messages-send
      description: REST surface for gmail-v1-users-userId-messages-send.
      operations:
      - method: POST
        name: post
        description: Google Send Messages
        call: gmail-messages.post
        with:
          Content-Type: rest.Content-Type
          Accept: rest.Accept
          userId: rest.userId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/gmail/v1/users/{userid}/messages/{id}
      name: gmail-v1-users-userid-messages-id
      description: REST surface for gmail-v1-users-userId-messages-id.
      operations:
      - method: GET
        name: get
        description: Google Get Messages
        call: gmail-messages.get
        with:
          Accept: rest.Accept
          userId: rest.userId
          id: rest.id
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: delete
        description: Google Delete Messages
        call: gmail-messages.delete
        with:
          userId: rest.userId
          id: rest.id
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/gmail/v1/users/{userid}/messages/{id}/modify
      name: gmail-v1-users-userid-messages-id-modify
      description: REST surface for gmail-v1-users-userId-messages-id-modify.
      operations:
      - method: POST
        name: post
        description: Google Modify Messages
        call: gmail-messages.post
        with:
          Content-Type: rest.Content-Type
          Accept: rest.Accept
          userId: rest.userId
          id: rest.id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/gmail/v1/users/{userid}/messages/{id}/untrash
      name: gmail-v1-users-userid-messages-id-untrash
      description: REST surface for gmail-v1-users-userId-messages-id-untrash.
      operations:
      - method: POST
        name: post
        description: Google Untrash Messages
        call: gmail-messages.post
        with:
          Accept: rest.Accept
          userId: rest.userId
          id: rest.id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: gmail-messages-mcp
    port: 9090
    transport: http
    description: MCP adapter for Google Gmail API — Messages. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: google-list-messages
      description: Google List Messages
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: gmail-messages.get
      with:
        Accept: tools.Accept
        maxResults: tools.maxResults
        pageToken: tools.pageToken
        q: tools.q
        userId: tools.userId
      outputParameters:
      - type: object
        mapping: $.
    - name: google-insert-messages
      description: Google Insert Messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: gmail-messages.post
      with:
        Content-Type: tools.Content-Type
        Accept: tools.Accept
        userId: tools.userId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: google-import-messages
      description: Google Import Messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: gmail-messages.post
      with:
        Content-Type: tools.Content-Type
        Accept: tools.Accept
        userId: tools.userId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: google-send-messages
      description: Google Send Messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: gmail-messages.post
      with:
        Content-Type: tools.Content-Type
        Accept: tools.Accept
        userId: tools.userId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: google-get-messages
      description: Google Get Messages
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: gmail-messages.get
      with:
        Accept: tools.Accept
        userId: tools.userId
        id: tools.id
      outputParameters:
      - type: object
        mapping: $.
    - name: google-delete-messages
      description: Google Delete Messages
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: gmail-messages.delete
      with:
        userId: tools.userId
        id: tools.id
      outputParameters:
      - type: object
        mapping: $.
    - name: google-modify-messages
      description: Google Modify Messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: gmail-messages.post
      with:
        Content-Type: tools.Content-Type
        Accept: tools.Accept
        userId: tools.userId
        id: tools.id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: google-untrash-messages
      description: Google Untrash Messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: gmail-messages.post
      with:
        Accept: tools.Accept
        userId: tools.userId
        id: tools.id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.