Google Cloud Pub/Sub API — Topics

naftiko: 1.0.0-alpha2
info:
  label: Google Cloud Pub/Sub API — Topics
  description: 'Google Cloud Pub/Sub API — Topics. 5 operations. Lead operation: Google Cloud Pub/Sub List topics. Self-contained
    Naftiko capability covering one Google Cloud Pubsub business surface.'
  tags:
  - Google Cloud Pubsub
  - Topics
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    GOOGLE_CLOUD_PUBSUB_API_KEY: GOOGLE_CLOUD_PUBSUB_API_KEY
capability:
  consumes:
  - type: http
    namespace: google-cloud-pubsub-topics
    baseUri: https://pubsub.googleapis.com/v1
    description: Google Cloud Pub/Sub API — Topics business capability. Self-contained, no shared references.
    resources:
    - name: projects-projectId-topics
      path: /projects/{projectId}/topics
      operations:
      - name: listtopics
        method: GET
        description: Google Cloud Pub/Sub List topics
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: projectId
          in: path
          type: string
          required: true
        - name: pageSize
          in: query
          type: integer
        - name: pageToken
          in: query
          type: string
    - name: projects-projectId-topics-topicId
      path: /projects/{projectId}/topics/{topicId}
      operations:
      - name: gettopic
        method: GET
        description: Google Cloud Pub/Sub Get a topic
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: projectId
          in: path
          type: string
          required: true
        - name: topicId
          in: path
          type: string
          required: true
      - name: createtopic
        method: PUT
        description: Google Cloud Pub/Sub Create a topic
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: projectId
          in: path
          type: string
          required: true
        - name: topicId
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
      - name: deletetopic
        method: DELETE
        description: Google Cloud Pub/Sub Delete a topic
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: projectId
          in: path
          type: string
          required: true
        - name: topicId
          in: path
          type: string
          required: true
    - name: projects-projectId-topics-topicId}:publish
      path: /projects/{projectId}/topics/{topicId}:publish
      operations:
      - name: publishmessages
        method: POST
        description: Google Cloud Pub/Sub Publish messages
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: projectId
          in: path
          type: string
          required: true
        - name: topicId
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.GOOGLE_CLOUD_PUBSUB_API_KEY}}'
  exposes:
  - type: rest
    namespace: google-cloud-pubsub-topics-rest
    port: 8080
    description: REST adapter for Google Cloud Pub/Sub API — Topics. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/projects/{projectid}/topics
      name: projects-projectid-topics
      description: REST surface for projects-projectId-topics.
      operations:
      - method: GET
        name: listtopics
        description: Google Cloud Pub/Sub List topics
        call: google-cloud-pubsub-topics.listtopics
        with:
          projectId: rest.projectId
          pageSize: rest.pageSize
          pageToken: rest.pageToken
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/projects/{projectid}/topics/{topicid}
      name: projects-projectid-topics-topicid
      description: REST surface for projects-projectId-topics-topicId.
      operations:
      - method: GET
        name: gettopic
        description: Google Cloud Pub/Sub Get a topic
        call: google-cloud-pubsub-topics.gettopic
        with:
          projectId: rest.projectId
          topicId: rest.topicId
        outputParameters:
        - type: object
          mapping: $.
      - method: PUT
        name: createtopic
        description: Google Cloud Pub/Sub Create a topic
        call: google-cloud-pubsub-topics.createtopic
        with:
          projectId: rest.projectId
          topicId: rest.topicId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: deletetopic
        description: Google Cloud Pub/Sub Delete a topic
        call: google-cloud-pubsub-topics.deletetopic
        with:
          projectId: rest.projectId
          topicId: rest.topicId
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/projects/{projectid}/topics/topicid-publish
      name: projects-projectid-topics-topicid-publish
      description: REST surface for projects-projectId-topics-topicId}:publish.
      operations:
      - method: POST
        name: publishmessages
        description: Google Cloud Pub/Sub Publish messages
        call: google-cloud-pubsub-topics.publishmessages
        with:
          projectId: rest.projectId
          topicId: rest.topicId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: google-cloud-pubsub-topics-mcp
    port: 9090
    transport: http
    description: MCP adapter for Google Cloud Pub/Sub API — Topics. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: google-cloud-pub-sub-list
      description: Google Cloud Pub/Sub List topics
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: google-cloud-pubsub-topics.listtopics
      with:
        projectId: tools.projectId
        pageSize: tools.pageSize
        pageToken: tools.pageToken
      outputParameters:
      - type: object
        mapping: $.
    - name: google-cloud-pub-sub-get
      description: Google Cloud Pub/Sub Get a topic
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: google-cloud-pubsub-topics.gettopic
      with:
        projectId: tools.projectId
        topicId: tools.topicId
      outputParameters:
      - type: object
        mapping: $.
    - name: google-cloud-pub-sub-create
      description: Google Cloud Pub/Sub Create a topic
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: google-cloud-pubsub-topics.createtopic
      with:
        projectId: tools.projectId
        topicId: tools.topicId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: google-cloud-pub-sub-delete
      description: Google Cloud Pub/Sub Delete a topic
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: google-cloud-pubsub-topics.deletetopic
      with:
        projectId: tools.projectId
        topicId: tools.topicId
      outputParameters:
      - type: object
        mapping: $.
    - name: google-cloud-pub-sub-publish
      description: Google Cloud Pub/Sub Publish messages
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: google-cloud-pubsub-topics.publishmessages
      with:
        projectId: tools.projectId
        topicId: tools.topicId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.