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AgentLog is a lightweight event bus for AI agents built on append-only JSONL logs. Agents publish and subscribe to events via HTTP/SSE, enabling simple, replayable, and debuggable multi-agent workflows.

8 starsGo

AgentLog – a lightweight event bus for AI agents using JSONL logs

by paperplaneflyr·Mar 13, 2026·9 points·0 comments
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AI Analysis

●●SolidBig BrainNiche Gem

JSONL files you can tail -f beats complex Kafka setup for agent event streams.

Strengths
  • •Append-only JSONL logs are inspectable with standard Unix tools like cat and tail.
  • •SSE subscriptions enable real-time event streaming without polling overhead.
  • •Offset tracking via .offset files enables replayable agent workflows.
Weaknesses
  • •Single-node architecture limits scalability for production multi-agent deployments.
  • •Zero GitHub stars indicates very early stage with unproven reliability.
Target Audience

Developers building multi-agent systems

Similar To

Kafka · NATS · Redis Streams

Post Description

I’ve been experimenting with infrastructure for multi-agent systems.

I built a small project called AgentLog.

The core idea is very simple, topics are just append-only JSONL files.

Agents publish events over HTTP and subscribe to streams using SSE.

The system is intentionally single-node and minimal for now.

Future ideas I’m exploring: - replayable agent workflows - tracing reasoning across agents - visualizing event timelines - distributed/federated agent logs

Curious if others building agent systems have run into similar needs.

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