> ## 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.

# KeyValueStore

```ts theme={null}
type KeyValueStore = {
  delete: Promise<void>;
  get: Promise<string | null>;
  set: Promise<void>;
};
```

Defined in: [client/auth.ts:53](https://github.com/PrefectHQ/fastmcp-ts/blob/e4b6038f642b529f601463a576229747afebe9a4/src/client/auth.ts#L53)

## Methods

### delete()

```ts theme={null}
delete(key): Promise<void>;
```

Defined in: [client/auth.ts:56](https://github.com/PrefectHQ/fastmcp-ts/blob/e4b6038f642b529f601463a576229747afebe9a4/src/client/auth.ts#L56)

#### Parameters

##### key

`string`

#### Returns

`Promise`\<`void`>

***

### get()

```ts theme={null}
get(key): Promise<string | null>;
```

Defined in: [client/auth.ts:54](https://github.com/PrefectHQ/fastmcp-ts/blob/e4b6038f642b529f601463a576229747afebe9a4/src/client/auth.ts#L54)

#### Parameters

##### key

`string`

#### Returns

`Promise`\<`string` | `null`>

***

### set()

```ts theme={null}
set(key, value): Promise<void>;
```

Defined in: [client/auth.ts:55](https://github.com/PrefectHQ/fastmcp-ts/blob/e4b6038f642b529f601463a576229747afebe9a4/src/client/auth.ts#L55)

#### Parameters

##### key

`string`

##### value

`string`

#### Returns

`Promise`\<`void`>