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Minimalist BT implementation in Go

103 starsGo

Go-Bt: Minimalist Behavior Trees for Go

by rvitorper·Apr 8, 2026·62 points·12 comments

AI Analysis

●●SolidNiche GemBig Brain

Injected clock enables instant time-travel testing of timeout nodes without waiting.

Strengths
  • Stateless nodes with all runtime state in generic BTContext enables clean testing.
  • Three-state return values (1/0/-1) create cooperative multitasking without threads.
  • Embedded context.Context means trees natively respect cancellation tokens and timeouts.
Weaknesses
  • Behavior trees are niche; most Go developers will never need this pattern.
  • No visual editor or debugging tools — pure code-based tree construction.
Target Audience

Go developers building game AI, background workers, or task automation systems

Similar To

behaviortree.go · go-behaviortree

Post Description

Hey HN,

I just published v0.1.0 of go-bt and would love some feedback from the Go veterans here.

Thanks in advance!

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