diff --git a/desktop/app/src/electron/initializeElectron.tsx b/desktop/app/src/electron/initializeElectron.tsx
index 24e740b3a..8482bf5ae 100644
--- a/desktop/app/src/electron/initializeElectron.tsx
+++ b/desktop/app/src/electron/initializeElectron.tsx
@@ -63,7 +63,7 @@ export async function initializeElectron(
     processId: electronProcess.pid,
     isProduction,
     readTextFromClipboard() {
-      return clipboard.readText();
+      return Promise.resolve(clipboard.readText());
     },
     writeTextToClipboard(text: string) {
       clipboard.writeText(text);
diff --git a/desktop/flipper-frontend-core/src/RenderHost.tsx b/desktop/flipper-frontend-core/src/RenderHost.tsx
index 168bdccb1..27a4a0577 100644
--- a/desktop/flipper-frontend-core/src/RenderHost.tsx
+++ b/desktop/flipper-frontend-core/src/RenderHost.tsx
@@ -95,7 +95,7 @@ type ChildProcessEvents = {
  * Utilities provided by the render host, e.g. Electron, the Browser, etc
  */
 export interface RenderHost {
-  readTextFromClipboard(): string | undefined;
+  readTextFromClipboard(): Promise<string> | undefined;
   writeTextToClipboard(text: string): void;
   /**
    * @deprecated
diff --git a/desktop/flipper-server-companion/src/initializeRenderHost.tsx b/desktop/flipper-server-companion/src/initializeRenderHost.tsx
index 0243004c0..a35192397 100644
--- a/desktop/flipper-server-companion/src/initializeRenderHost.tsx
+++ b/desktop/flipper-server-companion/src/initializeRenderHost.tsx
@@ -16,12 +16,9 @@ export function initializeRenderHost(
 ) {
   globalThis.FlipperRenderHostInstance = {
     readTextFromClipboard() {
-      // TODO:
       return undefined;
     },
-    writeTextToClipboard(_text: string) {
-      // TODO:
-    },
+    writeTextToClipboard(_text: string) {},
     async importFile() {
       throw new Error('Not implemented');
     },
@@ -46,9 +43,7 @@ export function initializeRenderHost(
     shouldUseDarkColors() {
       return false;
     },
-    restartFlipper() {
-      // TODO:
-    },
+    restartFlipper() {},
     serverConfig: flipperServerConfig,
     GK(gatekeeper) {
       return flipperServerConfig.gatekeepers[gatekeeper] ?? false;
diff --git a/desktop/flipper-ui-browser/src/initializeRenderHost.tsx b/desktop/flipper-ui-browser/src/initializeRenderHost.tsx
index c5b917e24..eb8103993 100644
--- a/desktop/flipper-ui-browser/src/initializeRenderHost.tsx
+++ b/desktop/flipper-ui-browser/src/initializeRenderHost.tsx
@@ -35,12 +35,11 @@ export function initializeRenderHost(
   flipperServerConfig: FlipperServerConfig,
 ) {
   FlipperRenderHostInstance = {
-    readTextFromClipboard() {
-      // TODO:
-      return undefined;
+    async readTextFromClipboard() {
+      return await navigator.clipboard.readText();
     },
-    writeTextToClipboard(_text: string) {
-      // TODO:
+    writeTextToClipboard(text: string) {
+      return navigator.clipboard.writeText(text);
     },
     async importFile() {
       throw new Error('Not implemented');
@@ -71,7 +70,7 @@ export function initializeRenderHost(
       );
     },
     restartFlipper() {
-      window.flipperShowError!(
+      window.flipperShowError?.(
         'Flipper settings have changed, please restart flipper server for the changes to take effect',
       );
     },
diff --git a/desktop/scripts/jest-setup-after.tsx b/desktop/scripts/jest-setup-after.tsx
index cb97365f3..f2cc9e650 100644
--- a/desktop/scripts/jest-setup-after.tsx
+++ b/desktop/scripts/jest-setup-after.tsx
@@ -197,7 +197,7 @@ function createStubRenderHost(): RenderHost {
 
   return {
     readTextFromClipboard() {
-      return '';
+      return Promise.resolve('');
     },
     writeTextToClipboard() {},
     async importFile() {