> ## Documentation Index
> Fetch the complete documentation index at: https://fastmcp-ts.docs.prefect.io/llms.txt
> Use this file to discover all available pages before exploring further.

# RootsValue

```ts theme={null}
type RootsValue = 
  | RootInput[]
  | (() => 
  | RootInput[]
  | Promise<RootInput[]>);
```

Defined in: [client/client.ts:70](https://github.com/PrefectHQ/fastmcp-ts/blob/e4b6038f642b529f601463a576229747afebe9a4/src/client/client.ts#L70)

Static list of roots, or an async callback invoked on each roots/list request.
URI strings are normalised to file:// URIs automatically; relative paths are
resolved against process.cwd().
