jecs

SKILL.md

Based on jecs v0.9.0, generated 2026-01-29

High-performance Entity Component System for Luau/roblox-ts. Features entity relationships, archetype storage, 800k entities at 60fps.

Core References

Topic Description Reference
World & Entities World creation, entities, components, tags, singletons core-basics
Queries Query system, filters (with/without), caching core-queries

Features

Topic Description Reference
Pairs & Relationships Entity pairs, ChildOf, wildcards, relationship queries feature-pairs
Component Hooks OnAdd, OnChange, OnRemove lifecycle hooks feature-hooks
Signals Multiple listeners with added/changed/removed signals feature-signals
Cleanup Traits OnDelete, OnDeleteTarget, cascade deletion policies feature-cleanup-traits

Best Practices

Topic Description Reference
Archetypes Archetype storage, transitions, fragmentation best-practices-archetypes
Change Tracking Delta detection, dirty flags, networking patterns best-practices-change-tracking

Advanced

Topic Description Reference
Advanced API Preregistration, bulk ops, TypeScript types advanced-api
Weekly Installs
21
First Seen
Feb 11, 2026
Installed on
claude-code21
opencode20
github-copilot20
codex20
kimi-cli20
gemini-cli20