ts-reset is a TypeScript library that provides improved typings for common JavaScript APIs by overriding TypeScript's built-in type definitions. It consists of individual .d.ts files that fix specific type safety issues (like JSON.parse returning 'any' instead of 'unknown', or .filter(Boolean) losing type information) and a recommended preset that combines most improvements. The library is distributed as an npm package with empty JavaScript files and only the type definition files containing the actual value. Architecture-wise, it's a collection of isolated type augmentation modules that are composed together via TypeScript's declaration merging. Each entrypoint is self-contained and addresses a specific typing gap in the standard library, with sophisticated solutions like the filter-boolean implementation using NoInfer to prevent contextual typing issues. The project is actively maintained with regular updates, comprehensive tests verifying the type behavior, and proper CI/CD pipelines.