Event-Driven Agent Core
Agent architecture pattern in AG2 where agents respond to events rather than polling, enabling better async execution, scalability, and resource efficiency.
About this tool
Overview
Event-Driven Agent Core is an architectural pattern where agents respond to events (messages, state changes, external triggers) rather than continuously polling or running in loops.
Key Characteristics
- Agents sleep until events arrive
- Asynchronous message passing
- Reactive rather than proactive execution
- Resource-efficient
- Scalable to many agents
AG2 Implementation
AG2's v0.4 rewrite features an event-driven core with:
- Async-first execution model
- Event bus for agent communication
- Pluggable orchestration strategies
- Non-blocking operations
Benefits
- Efficiency: Agents don't waste CPU when idle
- Scalability: Support thousands of concurrent agents
- Responsiveness: React immediately to events
- Composability: Easy to add new event handlers
- Debugging: Clear event traces
Comparison to Traditional
Polling-Based
- Agents run in loops
- High CPU usage even when idle
- Harder to coordinate
- Simpler to understand
Event-Driven
- Agents react to events
- Low CPU when idle
- Better coordination
- Requires async programming
Use Cases
- Multi-agent systems
- Microservices architectures
- Real-time applications
- High-concurrency systems
Pricing
Architectural pattern, implemented in AG2.
Surveys
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Information
Websitewww.ag2.ai
PublishedMar 24, 2026
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