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Unreal Behavior Trees & Blackboards

gamedev-skills/awesome-gamedev-agent-skills

Create NPC behavior with AIControllers, blackboard keys, tasks, decorators, services, selectors, and sequences.

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About this Skill

Create NPC behavior with AIControllers, blackboard keys, tasks, decorators, services, selectors, and sequences.

Why we picked it

Provides a focused workflow, implementation patterns, and common failure checks for unreal behavior trees & blackboards. Pair it with the detected engine and any related systems required by the task.

What it helps with

  • Use when your game task needs unreal behavior trees & blackboards.

What this skill helps you build

Create NPC behavior with AIControllers, blackboard keys, tasks, decorators, services, selectors, and sequences.

Original unreal-behavior-trees instructions

Patterns in the upstream playbook

The entrypoint covers: AIController that runs the tree (C++); A priority tree (node structure); Updating the Blackboard from code (e.g. on seeing the player).

Original unreal-behavior-trees instructions

Use it in your project

  1. Inspect the existing project

    Describe the desired behavior and share the relevant project files, engine version, and current failure or target result.

  2. Apply the focused playbook

    Create NPC behavior with AIControllers, blackboard keys, tasks, decorators, services, selectors, and sequences.

  3. Verify in the matching runtime

    Run the project or workflow with its actual dependencies and check the changed behavior before accepting the result.

Original unreal-behavior-trees instructionsEngine versions and upgrade policy

Shared collection installation

Install the complete upstream collection with its router and keep each skill’s bundled references, scripts, and assets. The dispatcher selects an engine and the smallest relevant task set; a member listing is a focused entry into that shared package.

CommandWhat it helps with
npx skills add gamedev-skills/awesome-gamedev-agent-skillsKeep the router and supporting skill folders available together.

Upstream installation guide

Before you use it

  • An Unreal Engine project and matching editor; C++ tasks need a configured native toolchain, and packaging needs the target-platform SDK.

Supported agents

Claude CodeCodex CLICursorGitHub CopilotDeepSeek HarnessGemini CLIGrok BuildHermes AgentOpenCodePiKiroRovo DevQoderMistral VibeGoogle Antigravity

Sources & references

Original sources are linked below. Practical starting points are editorial suggestions from SkillHey.