@cyrilXBT: After 9 rebuilds of BabyAGI, Yohei Nakajima now builds the agent around its event log. 17 minutes on the runtime he bui…

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ai-agents babyagi event-log runtime open-source rebuild

Summary

After nine rebuilds, Yohei Nakajima now centers BabyAGI around its event log, featuring a runtime with replay, rollback, and fork capabilities, along with a guide on when to use a graph-based approach.

After 9 rebuilds of BabyAGI, Yohei Nakajima now builds the agent around its event log. 17 minutes on the runtime he built, where replay, rollback, and fork come free: 2:07 — what changes when log becomes the source of truth 3:39 — policy that makes a prompt edit wait for a human 7:10 — behaviors that watch graph rather than call each other 9:05 — run that died at question 350 and picked up at 353 11:43 — static and sandbox gates a self-edit has to clear A plain checkpointer gets you most of this, once you decide where each step ends. Watch it, then read the guide below on when a graph is worth building and where to cut the boxes.
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Cached at: 08/19/26, 08:40 AM

After 9 rebuilds of BabyAGI, Yohei Nakajima now builds the agent around its event log.

17 minutes on the runtime he built, where replay, rollback, and fork come free:

2:07 — what changes when log becomes the source of truth 3:39 — policy that makes a prompt edit wait for a human 7:10 — behaviors that watch graph rather than call each other 9:05 — run that died at question 350 and picked up at 353 11:43 — static and sandbox gates a self-edit has to clear

A plain checkpointer gets you most of this, once you decide where each step ends.

Watch it, then read the guide below on when a graph is worth building and where to cut the boxes.

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@badlogicgames: recommended reading.

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Yohei Nakajima, creator of babyagi, published his first academic paper on arXiv titled 'The Log is the Agent: Event-Sourced Reactive Graphs for Auditable, Forkable Agentic Systems', proposing agents that coordinate through persistent replayable state.