A professional-grade framework for delivering real-time market event updates via WebSocket channels for buyer and operator clients.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install a2a-market-websocket-realtime
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 a2a-market-websocket-realtime 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 a2a-Market WebSocket Realtime?
The a2a-Market WebSocket Realtime skill provides a robust architectural skeleton designed to handle high-frequency market data and event delivery. This tool is essential for developers building Openclaw Skills that require instant synchronization for intents, quotes, and payment events across distributed market participants.
By implementing this skill, developers can leverage stable event contracts and a publishable framework that manages connection lifecycles, session authorization, and predictable payload shapes. It ensures that both buyer and node operators maintain a low-latency, consistent state during complex market negotiations.
a2a-Market WebSocket Realtime Use Cases
- Implementing real-time push notification channels for market clients.
- Managing subscription authorization and secure connection lifecycles for buyer, node, and admin roles.
- Handling automatic event replay and state synchronization for clients recovering from network interruptions.
- Facilitating live negotiation UI updates through typing hints and presence indicators.
How a2a-Market WebSocket Realtime Works
- The gateway validates client permissions via an auth guard before establishing a persistent WebSocket connection.
- Clients subscribe to specific channels (e.g., buyer or admin) and optionally provide a cursor for event replay.
- The system captures canonical domain events—such as INTENT_CREATED or QUOTE_RECEIVED—and formats them into versioned payloads.
- The Realtime Service fans out these events to all authorized online subscribers in the connection registry.
- Heartbeat signals monitor connection liveness, triggering automated cleanup or reconnection logic as needed.
a2a-Market WebSocket Realtime Setup
To integrate this skill into your environment, follow these steps to initialize the local runtime package and verify the event bus:
# Navigate to the runtime directory
cd runtime/
# Install dependencies for the event-bus and gateway
npm install
# Run the test suite to validate the WebSocket contracts
npm test
Ensure that your project layout aligns with the suggested directory structure, placing gateways in app/interfaces/ws/ and service logic in app/application/services/.
a2a-Market WebSocket Realtime Data Schema & Taxonomy
The skill organizes its data flow using a structured hierarchy and specific event contracts to ensure interoperability within Openclaw Skills ecosystem:
| Event Type | Description | Payload Data |
|---|---|---|
| INTENT_CREATED | Triggered when a new buy intent is logged | Intent ID, User Metadata |
| QUOTE_RECEIVED | Dispatched upon provider quote delivery | Quote ID, Pricing, Expiry |
| NEGOTIATION_STARTED | Updates UI when a negotiation flow begins | Session ID, Participants |
| ORDER_CREATED | Confirms a successful transition to order | Order ID, Final Terms |
| PAYMENT_SUCCEEDED | Finalizes the transaction lifecycle | Transaction Ref, Status |
Data is further organized via a Replay Cursor Store to track the last-event cursor for every active channel.
a2a-Market WebSocket Realtime Advanced Features
- Last-event cursor replay for seamless session resumption and data consistency.
- Role-based auth guards providing granular security for buyer, node, and admin access levels.
- Managed per-connection queues to prevent memory exhaustion during high-volume bursts.
- Roadmap support for regional relay nodes to optimize cross-region latency for global market clients.
SKILL.md
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