Cumulocity · Capability

Cumulocity MQTT Service — Topics

Standards-compliant multi-tenant MQTT 5.0 broker for arbitrary application-level messaging in a Cumulocity tenant.

Cumulocity MQTT Service — Topics is a Naftiko capability published by Cumulocity, one of 31 capabilities the APIs.io network indexes for this provider. It bundles 1 operation.

The capability includes 1 state-changing operation. Lead operation: Publish to a tenant-scoped Cumulocity MQTT Service topic. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include Cumulocity, MQTT, and MQTT Service.

Run with Naftiko CumulocityMQTTMQTT Service

MCP Tools

cumulocity-mqtt-service-publish

Publish to a tenant-scoped Cumulocity MQTT Service topic.

Capability Spec

mqtt-service-topics.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: Cumulocity MQTT Service — Topics
  description: Standards-compliant multi-tenant MQTT 5.0 broker for arbitrary application-level messaging in a Cumulocity tenant.
  tags: [Cumulocity, MQTT, MQTT Service]
  created: '2026-05-25'
  modified: '2026-05-25'
binds:
- namespace: env
  keys:
    C8Y_MQTT_SERVICE_HOST: C8Y_MQTT_SERVICE_HOST
    C8Y_TENANT: C8Y_TENANT
    C8Y_USER: C8Y_USER
    C8Y_PASSWORD: C8Y_PASSWORD
capability:
  consumes:
  - type: mqtt
    namespace: cumulocity-mqtt-service
    description: Cumulocity MQTT Service multi-tenant broker.
    broker: 'mqtts://{{env.C8Y_MQTT_SERVICE_HOST}}:8883'
    topics:
    - name: tenant-topic
      pattern: '{tenantId}/{topic}'
      description: Tenant-scoped arbitrary topic.
      direction: bidirectional
    authentication:
      type: basic
      username: '{{env.C8Y_TENANT}}/{{env.C8Y_USER}}'
      password: '{{env.C8Y_PASSWORD}}'
  exposes:
  - type: mcp
    namespace: mqtt-service-topics-mcp
    port: 9090
    transport: http
    tools:
    - name: cumulocity-mqtt-service-publish
      description: Publish to a tenant-scoped Cumulocity MQTT Service topic.
      hints: {readOnly: false, destructive: false, idempotent: false}
      call: cumulocity-mqtt-service.publish
      with: {topic: tools.topic, payload: tools.payload}