diff --git a/apps/web/src/components/features/feature-install-prompt.tsx b/apps/web/src/components/features/feature-install-prompt.tsx
index be3e9f21..308a862f 100644
--- a/apps/web/src/components/features/feature-install-prompt.tsx
+++ b/apps/web/src/components/features/feature-install-prompt.tsx
@@ -47,9 +47,15 @@ interface FeatureInstallPromptProps {
   bundle: FeatureBundleState;
   isAdmin: boolean;
   toolName?: string;
+  toolDescription?: string;
 }
 
-export function FeatureInstallPrompt({ bundle, isAdmin, toolName }: FeatureInstallPromptProps) {
+export function FeatureInstallPrompt({
+  bundle,
+  isAdmin,
+  toolName,
+  toolDescription,
+}: FeatureInstallPromptProps) {
   const { installBundle, clearError, installing, errors, startTimes, queued } = useFeaturesStore();
   const progress = installing[bundle.id] ?? null;
   const error = errors[bundle.id] ?? null;
@@ -57,6 +63,7 @@ export function FeatureInstallPrompt({ bundle, isAdmin, toolName }: FeatureInsta
   const isQueued = queued.includes(bundle.id);
   const startTime = startTimes[bundle.id] ?? null;
   const displayName = toolName || bundle.name;
+  const displayDescription = toolDescription || bundle.description;
 
   const [messageIndex, setMessageIndex] = useState(() =>
     Math.floor(Math.random() * PROGRESS_MESSAGES.length),
@@ -103,7 +110,7 @@ export function FeatureInstallPrompt({ bundle, isAdmin, toolName }: FeatureInsta
       <Download className="h-16 w-16 text-muted-foreground" />
       <div className="space-y-2">
         <h2 className="text-xl font-semibold text-foreground">{displayName}</h2>
-        <p className="text-muted-foreground max-w-md">{bundle.description}</p>
+        <p className="text-muted-foreground max-w-md">{displayDescription}</p>
         <p className="text-sm text-muted-foreground">
           This feature requires an additional download (~{bundle.estimatedSize})
         </p>
diff --git a/apps/web/src/hooks/use-pipeline-processor.ts b/apps/web/src/hooks/use-pipeline-processor.ts
index c8e6914d..2014a8f2 100644
--- a/apps/web/src/hooks/use-pipeline-processor.ts
+++ b/apps/web/src/hooks/use-pipeline-processor.ts
@@ -148,7 +148,7 @@ export function usePipelineProcessor() {
             const parsed = parseApiError(body, xhr.status);
             if (typeof parsed === "object" && parsed.type === "feature_not_installed") {
               setError(
-                `Feature "${parsed.featureName}" is not installed. Enable it in Settings → AI Features.`,
+                `The "${parsed.featureName}" feature is not installed. Enable it in Settings → AI Features.`,
               );
             } else {
               setError(parsed as string);
@@ -279,7 +279,7 @@ export function usePipelineProcessor() {
             } else {
               const parsed = parseApiError(body, response.status);
               if (typeof parsed === "object" && parsed.type === "feature_not_installed") {
-                errorMsg = `Feature "${parsed.featureName}" is not installed. Enable it in Settings → AI Features.`;
+                errorMsg = `The "${parsed.featureName}" feature is not installed. Enable it in Settings → AI Features.`;
               } else {
                 errorMsg = parsed as string;
               }
diff --git a/apps/web/src/hooks/use-tool-processor.ts b/apps/web/src/hooks/use-tool-processor.ts
index b8f9cacc..3b730982 100644
--- a/apps/web/src/hooks/use-tool-processor.ts
+++ b/apps/web/src/hooks/use-tool-processor.ts
@@ -1,4 +1,4 @@
-import { PYTHON_SIDECAR_TOOLS } from "@snapotter/shared";
+import { PYTHON_SIDECAR_TOOLS, TOOLS } from "@snapotter/shared";
 import { useCallback, useEffect, useRef, useState } from "react";
 import { formatHeaders, parseApiError } from "@/lib/api";
 import { generateId } from "@/lib/utils";
@@ -47,6 +47,7 @@ export function useToolProcessor(toolId: string) {
 
   const isAiTool = AI_PYTHON_TOOLS.has(toolId);
   const isMediumTool = MEDIUM_TOOLS.has(toolId);
+  const toolName = TOOLS.find((t) => t.id === toolId)?.name ?? toolId;
   const processingTimerRef = useRef<ReturnType<typeof setInterval> | null>(null);
 
   // Clean up on unmount
@@ -280,7 +281,7 @@ export function useToolProcessor(toolId: string) {
             const parsed = parseApiError(body, xhr.status);
             if (typeof parsed === "object" && parsed.type === "feature_not_installed") {
               setError(
-                `Feature "${parsed.featureName}" is not installed. Enable it in Settings → AI Features.`,
+                `${toolName} requires the "${parsed.featureName}" feature. Enable it in Settings → AI Features.`,
               );
             } else {
               setError(parsed as string);
@@ -324,7 +325,7 @@ export function useToolProcessor(toolId: string) {
       });
       xhr.send(formData);
     },
-    [toolId, isAiTool, isMediumTool, setProcessing, setError],
+    [toolId, isAiTool, isMediumTool, setProcessing, setError, toolName],
   );
 
   const processAllFiles = useCallback(
@@ -407,7 +408,7 @@ export function useToolProcessor(toolId: string) {
             const body = JSON.parse(text);
             const parsed = parseApiError(body, response.status);
             if (typeof parsed === "object" && parsed.type === "feature_not_installed") {
-              errorMsg = `Feature "${parsed.featureName}" is not installed. Enable it in Settings → AI Features.`;
+              errorMsg = `${toolName} requires the "${parsed.featureName}" feature. Enable it in Settings → AI Features.`;
             } else {
               errorMsg = parsed as string;
             }
@@ -465,7 +466,7 @@ export function useToolProcessor(toolId: string) {
         setProgress(IDLE_PROGRESS);
       }
     },
-    [toolId, processFiles, setProcessing, setError],
+    [toolId, processFiles, setProcessing, setError, toolName],
   );
 
   return {
diff --git a/apps/web/src/pages/tool-page.tsx b/apps/web/src/pages/tool-page.tsx
index a1376575..7d37b449 100644
--- a/apps/web/src/pages/tool-page.tsx
+++ b/apps/web/src/pages/tool-page.tsx
@@ -292,7 +292,12 @@ export function ToolPage() {
   if (isAiTool && !toolInstalled && featureBundle) {
     return (
       <AppLayout>
-        <FeatureInstallPrompt bundle={featureBundle} isAdmin={isAdmin} toolName={tool?.name} />
+        <FeatureInstallPrompt
+          bundle={featureBundle}
+          isAdmin={isAdmin}
+          toolName={tool?.name}
+          toolDescription={tool?.description}
+        />
       </AppLayout>
     );
   }