An SDK and CLI for building Foundry VTT v14+ systems and modules.
Typed data models that need no second declaration, sheet bases that already know their tabs and their drops, a dev loop that reloads templates and styles without a page refresh, and a build that produces what foundryvtt.com expects.
pnpm create vttforge my-system --type system --lang tsDocumentation · Getting started · API reference · Design system
Everything lives in one repository: vttforge/vttforge. Every package is on npm under MIT.
Independent, and not affiliated with Foundry Gaming LLC.