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Behavior trees and utility AI for NPCs v1.0.0

Use this resource to drive NPC decisions with behavior trees and utility AI

New

  • 590 downloads
  • 250 likes
  • 106 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install behavior-trees-utility-ai

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent builds a behavior-tree runtime with a blackboard, action and condition leaves, sequences, selectors and decorators. It adds a utility AI system scored with linear, exponential, sigmoid or quadratic curves, and can combine both in hybrid agents. You get a reusable decision architecture and tuning examples.

Mostly picked by

Updated November 2, 2026

Card for the “Behavior trees and utility AI for NPCs” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • references/behavior-tree-core.md: behavior-tree core runtime
  • references/utility-ai-system.md: utility scoring and response curves

Good fit for

  • Your enemies need more structure than a finite state machine
  • You want to weigh several actions against the current situation

Not for

    Tags

    • behavior tree
    • utility ai
    • npc
    • game ai

    About

    You say

    “Code a guard that patrols, chases the player when it sees them and flees at low health.”

    Card for the “Behavior trees and utility AI for NPCs” skill

    Skill published by gamedev-skills under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to drive NPC decisions with behavior trees and utility AI
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/behavior-tree-core.md17.5 KB
    • references/best-practices-and-pitfalls.md5.8 KB
    • references/practical-examples.md8 KB
    • references/utility-ai-system.md8.5 KB
    • SKILL.md9.2 KB

    Origin and licence

    Listed unmodified

    Author
    gamedev-skills
    Source
    github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/19d93f97c9c1ea0f8b306e77aa81e0d3e352d3e9/skills/disciplines/ai-behavior-trees-utility-ai
    Licence
    Apache-2.0

    Notice

    « ai-behavior-trees-utility-ai » (gamedev-skills, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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