A high-performance communication layer providing direct messaging, pub/sub events, and persistent storage for autonomous agent interactions.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install agent-communication-hub
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install agent-communication-hub using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Agent Communication Hub?
The Agent Communication Hub is a robust infrastructure component designed to facilitate seamless interaction between multiple autonomous entities. By integrating this into your Openclaw Skills setup, agents gain access to a shared communication layer that supports point-to-point messaging, broadcast delivery, and sophisticated event-driven architectures. It ensures that agents remain synchronized and aware of each other's states through durable message delivery and session management.
Built with SQLite-backed persistence, the hub guarantees that no message is lost, even when agents are offline. It provides the necessary plumbing for complex multi-agent systems, including subscription filtering and complete audit trails, making it an essential building block for scalable and reliable agent ecosystems within the Openclaw Skills framework.
Agent Communication Hub Use Cases
- Coordination between specialized agents in a multi-step workflow.
- Notifying agents of system-wide events or state changes via pub/sub.
- Queuing messages for agents that are temporarily disconnected or busy.
- Maintaining a searchable history of all inter-agent communications for auditing.
- Managing agent presence and lifecycle in long-running processes.
How Agent Communication Hub Works
- Initialize the CommunicationHub by providing a path to a SQLite database for persistent storage.
- Register individual agents within the SessionManager to track their identity and presence.
- Establish connections for agents to start receiving real-time updates and messages.
- Distribute messages through direct private channels or system-wide broadcasts.
- Utilize the EventBus to allow agents to subscribe to specific event types with custom filters.
- Monitor and acknowledge message delivery to manage the offline queue effectively.
Agent Communication Hub Setup
To get started with the Agent Communication Hub in your Openclaw Skills project, install the dependencies and initialize the hub in your TypeScript environment.
npm install @openclaw/agent-communication-hub
import { CommunicationHub } from './src/CommunicationHub';
const hub = new CommunicationHub({
dbPath: './data/comm-hub.sqlite'
});
await hub.initialize();
Agent Communication Hub Data Schema & Taxonomy
The hub utilizes a structured SQLite database to manage communications and state. Data is organized into the following primary structures:
| Table | Description | Key Fields |
|---|---|---|
| Sessions | Tracks active and historical agent presence | agent_id, status, last_seen |
| Messages | Stores direct and broadcast communication | sender_id, recipient_id, payload (JSON), status |
| Events | Persistent log of published events | event_type, payload (JSON), timestamp |
| Subscriptions | Maps agents to event types | agent_id, event_type, filter_criteria |
All message and event payloads are stored as JSON to provide maximum flexibility for different Openclaw Skills implementations.
Agent Communication Hub Advanced Features
- Intelligent offline queuing with automatic retry and delivery on reconnect.
- Advanced event filtering using exact key/value matching on JSON payloads.
- Comprehensive audit history for all messages and events via SQLite.
- Presence tracking and session lifecycle management for large agent pools.
- Support for event replay to synchronize late-joining agents.
SKILL.md
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