# Flags SDK

- Works with any [flag provider](https://flags-sdk.dev/docs/adapters/supported-providers), [custom setups](https://flags-sdk.dev/docs/adapters/custom-adapters) or no flag provider at all
- Compatible with App Router, Pages Router, and Middleware
- Built for feature flags and experimentation

Learn more about the [Flags SDK on flags-sdk.dev](https://flags-sdk.dev).


--------------------------------------------------------------------------------
title: "Getting started with Flags Explorer"
description: "Learn how to set up the Flags Explorer so you can see and override your application"
last_updated: "2026-02-03T02:58:42.420Z"
source: "https://vercel.com/docs/feature-flags/flags-explorer/getting-started"
--------------------------------------------------------------------------------