jecs

Name: jecs
Author: christopher-buss

github.com/christopher-bussDevelopment876 installsUpdated 4w ago

About jecs

jecs is a high-performance Entity Component System for Luau and roblox-ts, aimed at Roblox development. It combines archetype storage with entity relationships, queries, and lifecycle management.

Key features

01World, entity, and component management
02Filtered and cached queries
03Entity relationships and wildcard queries
04Component hooks and signals
05Deletion policies and change tracking

Use cases

01Manage game entities and components
02Query entities by conditions
03Handle relationships and cascade deletion

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/christopher-buss/skills --skill jecs

After installing, type/jecsin Claude Code to confirm it loaded.

Bundled files

References and scripts installed along with SKILL.md.

GENERATION.md

references/

advanced-api.md

best-practices-archetypes.md

best-practices-change-tracking.md

core-basics.md

core-queries.md

feature-cleanup-traits.md

feature-hooks.md

feature-pairs.md

feature-signals.md

Details

From the project README

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

Comments

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Details

Author: christopher-buss
Repository: christopher-buss/skills
Category: Development
Installs: 76
GitHub stars: 8

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