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Documentation

mErCS is an entity component system for Luau and Roblox built on inverted bitsets. The API reference, generated from the doc comments of src/, is on the documentation site; these pages explain the rest:

  • Guide — worlds, components and tags, queries, batch operations, relationships, hooks and signals, change tracking, the jabby adapter, types.
  • Comparison with jecs — design, differences, performance (with the Benchmarker screenshots), migrating from jecs.
  • Development — setup, layout, tests, checks, benchmarks, Roblox Studio, CI, releases and this site.