ovos-bus-client
OVOS Messagebus Client
Decision gist · record as of 2026-08-14
Yes. The package is actively maintained, has low install friction, carries a permissive license, and fills a clear role in the OVOS ecosystem. Install it if you need to communicate with an OVOS instance from Python or build OVOS integrations. The Beta status and lack of documented Python version requirements are minor caveats but not blockers for most use cases.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a running OpenVoiceOS instance on the local machine or a configured remote host and port to connect to.
- Low install friction with a pure-Python wheel and four runtime dependencies.
- Actively maintained with a recent release in 2026-03-02 and commits through 2026-08-14.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
last release 2026-03-02 (165 days) · last repo commit 2026-08-14 · 3 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 87,555 downloads/mo, #13,788 on PyPI
Alternatives
Verify before relying
from ovos_bus_client import MessageBusClient, Message
client = MessageBusClient()
client.run_in_thread()
client.emit(Message('speak', data={'utterance': 'Hello World'}))- Whether the package requires a running OVOS instance or if it can operate in standalone/mock mode for testing
- Stability guarantees or breaking-change policy given Beta development status
What it is and what it does
ovos-bus-client is a lightweight Python interface to the OpenVoiceOS messagebus, the event-driven backbone of the OVOS voice assistant system. It lets you connect to a running OVOS instance, emit messages to trigger actions (like speech synthesis), and register handlers to react to messages from the system. The client wraps the core Message and MessageBusClient classes, supporting both local and remote connections.
The package is typically used to integrate external applications with OVOS—either as a standalone client sending commands to a voice assistant, or as a plugin within OVOS itself (via the included solver and HiveMind agent plugins). It abstracts away the websocket and event-loop details, letting you focus on message types, data payloads, and context routing.
Use it for
- Send commands to an OVOS instance from a Python script or external application (e.g., trigger speech synthesis or skill actions).
- Build a custom skill or plugin that listens for and reacts to OVOS messagebus events in real time.
- Integrate OVOS with Home Assistant or other home automation platforms by bridging the messagebus to external agents.
- Expose OVOS capabilities to OpenAI-compatible interfaces via the ovos-persona-server integration.
- Connect OVOS to a Mixture of Solvers (MOS) architecture for multi-agent reasoning.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The package is actively maintained, has low install friction, carries a permissive license, and fills a clear role in the OVOS ecosystem. Install it if you need to communicate with an OVOS instance from Python or build OVOS integrations. The Beta status and lack of documented Python version requirements are minor caveats but not blockers for most use cases.
Install
ovos-bus-client on PyPI
Before you install
Low install friction with a pure-Python wheel and four runtime dependencies. Actively maintained with a recent release in 2026-03-02 and commits through 2026-08-14.
Requires a running OpenVoiceOS instance on the local machine or a configured remote host and port to connect to.
License in practice
Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
Quickstart
from ovos_bus_client import MessageBusClient, Message
client = MessageBusClient()
client.run_in_thread()
client.emit(Message('speak', data={'utterance': 'Hello World'}))Verify before relying
- Whether the package requires a running OVOS instance or if it can operate in standalone/mock mode for testing
- Stability guarantees or breaking-change policy given Beta development status
Package facts
| License | Apache-2.0 permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesovos-configovos-utilswebsocket-clientpyee |
| Maintenance | Actively maintained 165 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 87,555 / month, #13,788 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseProgramming Language :: Python :: 3 |
Evidence: ovos_bus_client-1.5.0-py3-none-any.whl
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See also ovos-config · ovos-utils · azure-servicebus · dbus-fast · python-can · bubus · openfire-restapi · spidev · azure-mgmt-servicebus · systembridgeconnector