diff --git a/app/game-api/test/commandTable.test.ts b/app/game-api/test/commandTable.test.ts
index 15ce9ce8..3958b1da 100644
--- a/app/game-api/test/commandTable.test.ts
+++ b/app/game-api/test/commandTable.test.ts
@@ -135,7 +135,16 @@ describe('buildTurnCommandTable', () => {
                 'che_정착장려',
                 'che_주민선정',
             ],
-            군사: ['che_징병', 'che_모병', 'che_훈련', 'che_사기진작', 'che_출병', 'che_집합', 'che_소집해제'],
+            군사: [
+                'che_징병',
+                'che_모병',
+                'che_훈련',
+                'che_사기진작',
+                'che_출병',
+                'che_집합',
+                'che_소집해제',
+                'che_첩보',
+            ],
             인사: ['che_이동', 'che_강행', 'che_인재탐색', 'che_귀환', 'che_임관', 'che_랜덤임관'],
             계략: ['che_선동', 'che_탈취', 'che_파괴', 'che_화계'],
             국가: ['che_증여', 'che_헌납', 'che_물자조달', 'che_하야', 'che_거병', 'che_건국', 'che_선양', 'che_해산'],
@@ -221,6 +230,37 @@ describe('buildTurnCommandTable', () => {
         });
     });
 
+    it('exposes the user-only spy command with a city target when the actor can pay the Ref cost', async () => {
+        const general = { ...buildGeneral(), gold: 300, rice: 300 } as GeneralRow;
+        const table = await buildTurnCommandTable({
+            worldState: buildWorldState(),
+            general,
+            city: buildCity(),
+            nation: buildNation(),
+            nationGenerals: null,
+        });
+
+        const spy = table.general
+            .find(({ category }) => category === '군사')
+            ?.values.find(({ key }) => key === 'che_첩보');
+
+        expect(spy).toMatchObject({
+            name: '첩보',
+            reqArg: true,
+            possible: true,
+            status: 'available',
+            inputFields: [
+                {
+                    key: 'destCityId',
+                    label: '대상 도시',
+                    kind: 'select',
+                    required: true,
+                    optionSource: 'cities',
+                },
+            ],
+        });
+    });
+
     it('uses min-condition constraints for availability', async () => {
         const table = await buildTurnCommandTable({
             worldState: buildWorldState(),
diff --git a/app/game-engine/test/nationTurnCompatibility.test.ts b/app/game-engine/test/nationTurnCompatibility.test.ts
index 9cdb1163..e085f38e 100644
--- a/app/game-engine/test/nationTurnCompatibility.test.ts
+++ b/app/game-engine/test/nationTurnCompatibility.test.ts
@@ -224,4 +224,31 @@ describe('레거시 사령부 턴 실행 호환성', () => {
             },
         ]);
     });
+
+    it('첩보 도시는 실행 월부터 세 달 보이고 각 월 시작에 감소한 뒤 만료된다', async () => {
+        const nation = {
+            id: 1,
+            meta: {
+                rate: 20,
+                spy: { 2: 3 },
+            },
+        };
+        const handler = createNationTurnMonthlyHandler({
+            getWorld: () =>
+                ({
+                    listNations: () => [nation],
+                    updateNation: (_id: number, patch: { meta?: typeof nation.meta }) => {
+                        if (patch.meta) nation.meta = patch.meta;
+                    },
+                }) as never,
+        });
+
+        expect(nation.meta.spy).toEqual({ 2: 3 });
+        await handler.beforeMonthChanged?.({} as never);
+        expect(nation.meta.spy).toEqual({ 2: 2 });
+        await handler.beforeMonthChanged?.({} as never);
+        expect(nation.meta.spy).toEqual({ 2: 1 });
+        await handler.beforeMonthChanged?.({} as never);
+        expect(nation.meta.spy).toEqual({});
+    });
 });
diff --git a/app/game-frontend/e2e/commandArguments.spec.ts b/app/game-frontend/e2e/commandArguments.spec.ts
index 22248b40..c1d8afa2 100644
--- a/app/game-frontend/e2e/commandArguments.spec.ts
+++ b/app/game-frontend/e2e/commandArguments.spec.ts
@@ -416,6 +416,22 @@ const commandTable = {
                         },
                     ],
                 },
+                {
+                    key: 'che_첩보',
+                    name: '첩보',
+                    reqArg: true,
+                    possible: true,
+                    status: 'needsInput',
+                    inputFields: [
+                        {
+                            key: 'destCityId',
+                            label: '대상 도시',
+                            kind: 'select',
+                            required: true,
+                            optionSource: 'cities',
+                        },
+                    ],
+                },
             ],
         },
     ],
@@ -921,6 +937,48 @@ test('renders and accepts every Ref strategy command at mobile width', async ({
     await picker.screenshot({ path: test.info().outputPath('all-strategy-commands-mobile.png') });
 });
 
+test('shows and reserves the Ref spy command for a user on desktop and mobile', async ({ page }) => {
+    const requests = await install(page);
+    await page.setViewportSize({ width: 1200, height: 900 });
+    await page.goto('/');
+    const editor = page.locator('[data-command-scope="general"]');
+    await editor.getByRole('button', { name: '1턴 명령 입력', exact: true }).click();
+
+    let picker = page.getByTestId('command-picker');
+    await picker.getByRole('button', { name: '군사', exact: true }).click();
+    const spy = picker.getByRole('button', { name: '첩보', exact: true });
+    await expect(spy).toBeVisible();
+    await spy.hover();
+    await spy.focus();
+    await expect(spy).toBeFocused();
+    await spy.click();
+    const form = picker.getByTestId('command-argument-form');
+    await expect(form.getByTestId('command-argument-guidance')).toContainText(
+        '선택한 도시에 첩보를 실행합니다.'
+    );
+    await expect(form.getByTestId('command-argument-guidance')).toContainText(
+        '인접 도시에서는 더 많은 정보를 얻습니다.'
+    );
+    await form.locator('select').selectOption('2');
+    await picker.screenshot({ path: test.info().outputPath('spy-command-desktop-1200.png') });
+    await picker.getByRole('button', { name: '입력', exact: true }).click();
+    await expect(editor.locator('.action-column > div').first()).toHaveText('【허창】에 첩보 실행');
+    expect(JSON.stringify(requests)).toContain('"action":"che_첩보","args":{"destCityId":2}');
+
+    await page.setViewportSize({ width: 500, height: 900 });
+    await editor.getByRole('button', { name: '2턴 명령 입력', exact: true }).click();
+    picker = page.getByTestId('command-picker');
+    await picker.getByRole('button', { name: '군사', exact: true }).click();
+    await expect(picker.getByRole('button', { name: '첩보', exact: true })).toBeVisible();
+    const geometry = await picker.evaluate((element) => ({
+        width: element.getBoundingClientRect().width,
+        horizontalOverflow: element.scrollWidth - element.clientWidth,
+    }));
+    expect(geometry.width).toBeLessThanOrEqual(500);
+    expect(geometry.horizontalOverflow).toBeLessThanOrEqual(0);
+    await picker.screenshot({ path: test.info().outputPath('spy-command-mobile-500.png') });
+});
+
 test('defaults founding to a Ref-selectable nation trait and paints color option labels', async ({
     page,
 }) => {
diff --git a/resources/turn-commands/default.json b/resources/turn-commands/default.json
index 29a6a649..6553d1f8 100644
--- a/resources/turn-commands/default.json
+++ b/resources/turn-commands/default.json
@@ -33,6 +33,7 @@
         "che_징병",
         "che_모병",
         "che_소집해제",
+        "che_첩보",
         "che_군량매매",
         "che_물자조달",
         "che_증여",