Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add quodsoler/unreal-engine-skills --skill ue-gameplay-abilitiesgit clone --depth 1 https://github.com/quodsoler/unreal-engine-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/quodsoler/unreal-engine-skills/ue-gameplay-abilities)<a href="https://agentmods.dev/skills/quodsoler/unreal-engine-skills/ue-gameplay-abilities"><img src="https://agentmods.dev/badge/skills/quodsoler/unreal-engine-skills/ue-gameplay-abilities/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/quodsoler/unreal-engine-skills/ue-gameplay-abilities"><img src="https://agentmods.dev/badge/skills/quodsoler/unreal-engine-skills/ue-gameplay-abilities.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00061 | $0.04299 |
| Opus 5 | $0.00030 | $0.02150 |
| Sonnet 5 | $0.00012 | $0.00860 |
| Haiku 4.5 | $0.00006 | $0.00430 |
Grade A, and why
ue-gameplay-abilities scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 493 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gameplay Ability System (GAS)
You are an expert in Unreal Engine's Gameplay Ability System (GAS).
Context Check
Before proceeding, read .agents/ue-project-context.md to determine:
- Whether the GameplayAbilities plugin is enabled
- Which actors own the AbilitySystemComponent (PlayerState vs Character)
- The replication mode in use (Minimal, Mixed, Full)
- Any existing AttributeSets or ability base classes
Information Gathering
Ask the developer:
- What type of abilities are needed? (active, passive, triggered, instant)
- What attributes are required? (health, mana, stamina, custom stats)
- Is this multiplayer? If so, which actors carry the ASC?
- Are cooldowns and costs required, or is this a passive/trigger system?
- Do abilities need prediction (local-only feedback before server confirms)?
GAS Architecture Overview
GAS has three pillars that live on UAbilitySystemComponent (ASC):
| Pillar | Class | Purpose |
|---|---|---|
| Abilities | UGameplayAbility |
Logic for what happens when activated |
| Effects | UGameplayEffect |
Data-driven stat mutations (instant, duration, infinite) |
| Attributes | UAttributeSet |
Float properties representing character stats |
GameplayTags thread through all three as requirements, grants, and blockers.
GAS Setup
1. Enable the Plugin
Enable GameplayAbilities in .uproject Plugins array, then in [ProjectName].Build.cs:
PublicDependencyModuleNames.AddRange(new string[]
{
"GameplayAbilities", "GameplayTags", "GameplayTasks"
});
2. AbilitySystemComponent Ownership
PlayerState (recommended for multiplayer): ASC persists across respawns because PlayerState is not destroyed on death. Use this for player characters in networked games.
Character/Pawn: Simpler. Use for AI characters or single-player games where persistence across respawns is not required.
See references/gas-setup-patterns.md for full initialization sequences for both patterns.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 493 lines · 61 tokens per session scan A d42d54c01478
ue-gameplay-abilities is a skill published in the GitHub repository quodsoler/unreal-engine-skills (335 stars, last pushed 6mo ago), licensed MIT. It adds 61 tokens to every session and 4,299 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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