diff --git a/src/app/api/debug/route.ts b/src/app/api/debug/route.ts
new file mode 100644
index 0000000..f78c735
--- /dev/null
+++ b/src/app/api/debug/route.ts
@@ -0,0 +1,34 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getServiceSupabase } from "@/lib/supabase/client";
+
+export async function GET(req: NextRequest) {
+  try {
+    const supabase = getServiceSupabase();
+    
+    // Test database connection
+    const { data: tasks, error } = await supabase
+      .from("tasks")
+      .select("count")
+      .limit(1);
+    
+    if (error) {
+      return NextResponse.json({ error: error.message, code: error.code }, { status: 500 });
+    }
+    
+    // Check env vars
+    const envCheck = {
+      hasUrl: !!process.env.SUPABASE_URL || !!process.env.NEXT_PUBLIC_SUPABASE_URL,
+      hasAnonKey: !!process.env.SUPABASE_ANON_KEY || !!process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
+      hasServiceKey: !!process.env.SUPABASE_SERVICE_ROLE_KEY || !!process.env.SUPABASE_SECRET_KEY,
+    };
+    
+    return NextResponse.json({ 
+      success: true, 
+      taskCount: tasks?.[0]?.count || 0,
+      env: envCheck 
+    });
+  } catch (err: unknown) {
+    const message = err instanceof Error ? err.message : "Unknown error";
+    return NextResponse.json({ error: message }, { status: 500 });
+  }
+}
diff --git a/src/app/api/tasks/natural/route.ts b/src/app/api/tasks/natural/route.ts
index ace988d..74d8d56 100644
--- a/src/app/api/tasks/natural/route.ts
+++ b/src/app/api/tasks/natural/route.ts
@@ -27,8 +27,9 @@ export async function POST(req: NextRequest) {
         dueDate: parsed.dueDate,
       },
     });
-  } catch (err: any) {
+  } catch (err: unknown) {
     console.error("Error parsing task:", err);
-    return NextResponse.json({ error: err.message }, { status: 500 });
+    const message = err instanceof Error ? err.message : "Unknown error";
+    return NextResponse.json({ error: message }, { status: 500 });
   }
 }
diff --git a/src/lib/server/taskParser.ts b/src/lib/server/taskParser.ts
index 6318868..73e5794 100644
--- a/src/lib/server/taskParser.ts
+++ b/src/lib/server/taskParser.ts
@@ -81,7 +81,13 @@ export function parseTaskInput(input: string): ParsedTask {
   };
 }
 
-export async function addTaskToGantt(input: string): Promise<{ success: boolean; task?: any; error?: string }> {
+interface TaskResult {
+  id: string;
+  title: string;
+  [key: string]: unknown;
+}
+
+export async function addTaskToGantt(input: string): Promise<{ success: boolean; task?: TaskResult; error?: string }> {
   try {
     const parsed = parseTaskInput(input);
     
@@ -122,8 +128,9 @@ export async function addTaskToGantt(input: string): Promise<{ success: boolean;
     }
     
     return { success: true, task };
-  } catch (err: any) {
+  } catch (err: unknown) {
     console.error("Failed to add task:", err);
-    return { success: false, error: err.message };
+    const message = err instanceof Error ? err.message : "Unknown error";
+    return { success: false, error: message };
   }
 }