# tinyspy > minimal fork of nanospy, with more features 🕵🏻‍♂️ A `9KB` package for minimal and easy testing with no dependencies. This package was created for having a tiny spy library to use in `vitest`, but it can also be used in `jest` and other test environments. _In case you need more tiny libraries like tinypool or tinyspy, please consider submitting an [RFC](https://github.com/tinylibs/rfcs)_ ## Docs Read **[full docs](https://github.com/tinylibs/tinyspy#readme)** on GitHub.