diff --git a/packages/effect-fc/src/ReactManagedRuntime.ts b/packages/effect-fc/src/ReactManagedRuntime.ts
deleted file mode 100644
index f41286f..0000000
--- a/packages/effect-fc/src/ReactManagedRuntime.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import { Effect, type Layer, ManagedRuntime, type Runtime } from "effect"
-import * as React from "react"
-
-
-export interface ReactManagedRuntime<R, ER> {
-    readonly runtime: ManagedRuntime.ManagedRuntime<R, ER>
-    readonly context: React.Context<Runtime.Runtime<R>>
-}
-
-export const make = <R, ER>(
-    layer: Layer.Layer<R, ER>,
-    memoMap?: Layer.MemoMap,
-): ReactManagedRuntime<R, ER> => ({
-    runtime: ManagedRuntime.make(layer, memoMap),
-    context: React.createContext<Runtime.Runtime<R>>(null!),
-})
-
-
-export interface ProviderProps<R, ER> extends React.SuspenseProps {
-    readonly runtime: ReactManagedRuntime<R, ER>
-    readonly children?: React.ReactNode
-}
-
-export function Provider<R, ER>(
-    { runtime, children, ...suspenseProps }: ProviderProps<R, ER>
-): React.ReactNode {
-    const promise = React.useMemo(() => Effect.runPromise(runtime.runtime.runtimeEffect), [runtime])
-
-    return React.createElement(
-        React.Suspense,
-        suspenseProps,
-        React.createElement(ProviderInner<R, ER>, { runtime, promise, children }),
-    )
-}
-
-interface ProviderInnerProps<R, ER> {
-    readonly runtime: ReactManagedRuntime<R, ER>
-    readonly promise: Promise<Runtime.Runtime<R>>
-    readonly children?: React.ReactNode
-}
-
-function ProviderInner<R, ER>(
-    { runtime, promise, children }: ProviderInnerProps<R, ER>
-): React.ReactNode {
-    const value = React.use(promise)
-    return React.createElement(runtime.context, { value }, children)
-}
diff --git a/packages/effect-fc/src/ReactRuntime.ts b/packages/effect-fc/src/ReactRuntime.ts
new file mode 100644
index 0000000..fa45591
--- /dev/null
+++ b/packages/effect-fc/src/ReactRuntime.ts
@@ -0,0 +1,64 @@
+import { Effect, type Layer, ManagedRuntime, Predicate, type Runtime } from "effect"
+import * as React from "react"
+
+
+export const TypeId: unique symbol = Symbol.for("effect-fc/ReactRuntime")
+export type TypeId = typeof TypeId
+
+export interface ReactRuntime<R, ER> {
+    new(_: never): {}
+    readonly [TypeId]: TypeId
+    readonly runtime: ManagedRuntime.ManagedRuntime<R, ER>
+    readonly context: React.Context<Runtime.Runtime<R>>
+}
+
+const ReactRuntimeProto = Object.freeze({ [TypeId]: TypeId } as const)
+
+
+export const isReactRuntime = (u: unknown): u is ReactRuntime<unknown, unknown> => Predicate.hasProperty(u, TypeId)
+
+export const make = <R, ER>(
+    layer: Layer.Layer<R, ER>,
+    memoMap?: Layer.MemoMap,
+): ReactRuntime<R, ER> => Object.setPrototypeOf(
+    Object.assign(function() {}, {
+        runtime: ManagedRuntime.make(layer, memoMap),
+        context: React.createContext<Runtime.Runtime<R>>(null!),
+    }),
+    ReactRuntimeProto,
+)
+
+
+export namespace Provider {
+    export interface Props<R, ER> extends React.SuspenseProps {
+        readonly runtime: ReactRuntime<R, ER>
+        readonly children?: React.ReactNode
+    }
+}
+
+export const Provider = <R, ER>(
+    { runtime, children, ...suspenseProps }: Provider.Props<R, ER>
+): React.ReactNode => {
+    const promise = React.useMemo(() => Effect.runPromise(runtime.runtime.runtimeEffect), [runtime])
+
+    return React.createElement(
+        React.Suspense,
+        suspenseProps,
+        React.createElement(ProviderInner<R, ER>, { runtime, promise, children }),
+    )
+}
+
+namespace ProviderInner {
+    export interface Props<R, ER> {
+        readonly runtime: ReactRuntime<R, ER>
+        readonly promise: Promise<Runtime.Runtime<R>>
+        readonly children?: React.ReactNode
+    }
+}
+
+const ProviderInner = <R, ER>(
+    { runtime, promise, children }: ProviderInner.Props<R, ER>
+): React.ReactNode => {
+    const value = React.use(promise)
+    return React.createElement(runtime.context, { value }, children)
+}
diff --git a/packages/effect-fc/src/index.ts b/packages/effect-fc/src/index.ts
index a9be6ce..2545011 100644
--- a/packages/effect-fc/src/index.ts
+++ b/packages/effect-fc/src/index.ts
@@ -1,4 +1,4 @@
 export * as Component from "./Component.js"
 export * as Memo from "./Memo.js"
-export * as ReactManagedRuntime from "./ReactManagedRuntime.js"
+export * as ReactRuntime from "./ReactRuntime.js"
 export * as Suspense from "./Suspense.js"
diff --git a/packages/example/src/main.tsx b/packages/example/src/main.tsx
index d983376..bcf65ab 100644
--- a/packages/example/src/main.tsx
+++ b/packages/example/src/main.tsx
@@ -1,5 +1,5 @@
 import { createRouter, RouterProvider } from "@tanstack/react-router"
-import { ReactManagedRuntime } from "effect-fc"
+import { ReactRuntime } from "effect-fc"
 import { StrictMode } from "react"
 import { createRoot } from "react-dom/client"
 import { routeTree } from "./routeTree.gen"
@@ -16,8 +16,8 @@ declare module "@tanstack/react-router" {
 
 createRoot(document.getElementById("root")!).render(
     <StrictMode>
-        <ReactManagedRuntime.Provider runtime={runtime}>
+        <ReactRuntime.Provider runtime={runtime}>
             <RouterProvider router={router} />
-        </ReactManagedRuntime.Provider>
+        </ReactRuntime.Provider>
     </StrictMode>
 )
diff --git a/packages/example/src/runtime.ts b/packages/example/src/runtime.ts
index 5524d5f..3467529 100644
--- a/packages/example/src/runtime.ts
+++ b/packages/example/src/runtime.ts
@@ -1,7 +1,7 @@
 import { FetchHttpClient } from "@effect/platform"
 import { Clipboard, Geolocation, Permissions } from "@effect/platform-browser"
 import { DateTime, Layer } from "effect"
-import { ReactManagedRuntime } from "effect-fc"
+import { ReactRuntime } from "effect-fc"
 
 
 export const AppLive = Layer.empty.pipe(
@@ -12,4 +12,4 @@ export const AppLive = Layer.empty.pipe(
     Layer.provideMerge(FetchHttpClient.layer),
 )
 
-export const runtime = ReactManagedRuntime.make(AppLive)
+export const runtime = ReactRuntime.make(AppLive)