diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index b284523c529898593a2e7b0f4dd562db6062232f..a96b17bdb76523656d2ce1ff55cdf2ee037af8d8 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -1621,6 +1621,36 @@ export default function ChatView({ threadId }: ChatViewProps) {
     },
     [activeProject, persistProjectScripts],
   );
+  const deleteProjectScript = useCallback(
+    async (scriptId: string) => {
+      if (!activeProject) return;
+      const nextScripts = activeProject.scripts.filter((script) => script.id !== scriptId);
+
+      const deletedName = activeProject.scripts.find((s) => s.id === scriptId)?.name;
+
+      try {
+        await persistProjectScripts({
+          projectId: activeProject.id,
+          projectCwd: activeProject.cwd,
+          previousScripts: activeProject.scripts,
+          nextScripts,
+          keybinding: null,
+          keybindingCommand: commandForProjectScript(scriptId),
+        });
+        toastManager.add({
+          type: "success",
+          title: `Deleted action "${deletedName ?? "Unknown"}"`,
+        });
+      } catch (error) {
+        toastManager.add({
+          type: "error",
+          title: "Could not delete action",
+          description: error instanceof Error ? error.message : "An unexpected error occurred.",
+        });
+      }
+    },
+    [activeProject, persistProjectScripts],
+  );
 
   const handleRuntimeModeChange = useCallback(
     (mode: RuntimeMode) => {
@@ -3428,6 +3458,7 @@ export default function ChatView({ threadId }: ChatViewProps) {
           }}
           onAddProjectScript={saveProjectScript}
           onUpdateProjectScript={updateProjectScript}
+          onDeleteProjectScript={deleteProjectScript}
           onToggleDiff={onToggleDiff}
         />
       </header>
@@ -4008,6 +4039,7 @@ interface ChatHeaderProps {
   onRunProjectScript: (script: ProjectScript) => void;
   onAddProjectScript: (input: NewProjectScriptInput) => Promise<void>;
   onUpdateProjectScript: (scriptId: string, input: NewProjectScriptInput) => Promise<void>;
+  onDeleteProjectScript: (scriptId: string) => Promise<void>;
   onToggleDiff: () => void;
 }
 
@@ -4027,6 +4059,7 @@ const ChatHeader = memo(function ChatHeader({
   onRunProjectScript,
   onAddProjectScript,
   onUpdateProjectScript,
+  onDeleteProjectScript,
   onToggleDiff,
 }: ChatHeaderProps) {
   return (
@@ -4059,6 +4092,7 @@ const ChatHeader = memo(function ChatHeader({
             onRunScript={onRunProjectScript}
             onAddScript={onAddProjectScript}
             onUpdateScript={onUpdateProjectScript}
+            onDeleteScript={onDeleteProjectScript}
           />
         )}
         {activeProjectName && (
diff --git a/apps/web/src/components/ProjectScriptsControl.tsx b/apps/web/src/components/ProjectScriptsControl.tsx
index 092f2d598a9ccb391003eecb33f976030c297010..437b3e78ef7f8c98d8ebd30c309d9c1c66f61b6e 100644
--- a/apps/web/src/components/ProjectScriptsControl.tsx
+++ b/apps/web/src/components/ProjectScriptsControl.tsx
@@ -14,7 +14,7 @@ import {
   SettingsIcon,
   WrenchIcon,
 } from "lucide-react";
-import React, { type FormEvent, type KeyboardEvent, useMemo, useState } from "react";
+import React, { type FormEvent, type KeyboardEvent, useCallback, useMemo, useState } from "react";
 
 import {
   keybindingValueForCommand,
@@ -27,6 +27,15 @@ import {
 } from "~/projectScripts";
 import { shortcutLabelForCommand } from "~/keybindings";
 import { isMacPlatform } from "~/lib/utils";
+import {
+  AlertDialog,
+  AlertDialogClose,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogPopup,
+  AlertDialogTitle,
+} from "./ui/alert-dialog";
 import { Button } from "./ui/button";
 import {
   Dialog,
@@ -84,6 +93,7 @@ interface ProjectScriptsControlProps {
   onRunScript: (script: ProjectScript) => void;
   onAddScript: (input: NewProjectScriptInput) => Promise<void> | void;
   onUpdateScript: (scriptId: string, input: NewProjectScriptInput) => Promise<void> | void;
+  onDeleteScript: (scriptId: string) => Promise<void> | void;
 }
 
 function normalizeShortcutKeyToken(key: string): string | null {
@@ -144,6 +154,7 @@ export default function ProjectScriptsControl({
   onRunScript,
   onAddScript,
   onUpdateScript,
+  onDeleteScript,
 }: ProjectScriptsControlProps) {
   const addScriptFormId = React.useId();
   const [editingScriptId, setEditingScriptId] = useState<string | null>(null);
@@ -155,6 +166,7 @@ export default function ProjectScriptsControl({
   const [runOnWorktreeCreate, setRunOnWorktreeCreate] = useState(false);
   const [keybinding, setKeybinding] = useState("");
   const [validationError, setValidationError] = useState<string | null>(null);
+  const [deleteConfirmOpen, setDeleteConfirmOpen] = useState(false);
 
   const primaryScript = useMemo(() => {
     if (preferredScriptId) {
@@ -247,6 +259,13 @@ export default function ProjectScriptsControl({
     setDialogOpen(true);
   };
 
+  const confirmDeleteScript = useCallback(() => {
+    if (!editingScriptId) return;
+    setDeleteConfirmOpen(false);
+    setDialogOpen(false);
+    void onDeleteScript(editingScriptId);
+  }, [editingScriptId, onDeleteScript]);
+
   return (
     <>
       {primaryScript ? (
@@ -440,6 +459,16 @@ export default function ProjectScriptsControl({
             </form>
           </DialogPanel>
           <DialogFooter>
+            {isEditing && (
+              <Button
+                type="button"
+                variant="destructive-outline"
+                className="mr-auto"
+                onClick={() => setDeleteConfirmOpen(true)}
+              >
+                Delete
+              </Button>
+            )}
             <Button
               type="button"
               variant="outline"
@@ -455,6 +484,21 @@ export default function ProjectScriptsControl({
           </DialogFooter>
         </DialogPopup>
       </Dialog>
+
+      <AlertDialog open={deleteConfirmOpen} onOpenChange={setDeleteConfirmOpen}>
+        <AlertDialogPopup>
+          <AlertDialogHeader>
+            <AlertDialogTitle>Delete action "{name}"?</AlertDialogTitle>
+            <AlertDialogDescription>This action cannot be undone.</AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogClose render={<Button variant="outline" />}>Cancel</AlertDialogClose>
+            <Button variant="destructive" onClick={confirmDeleteScript}>
+              Delete action
+            </Button>
+          </AlertDialogFooter>
+        </AlertDialogPopup>
+      </AlertDialog>
     </>
   );
 }