diff --git a/mcp/src/i18n/en.ts b/mcp/src/i18n/en.ts
index 7ed3dc3..1b13627 100644
--- a/mcp/src/i18n/en.ts
+++ b/mcp/src/i18n/en.ts
@@ -18,12 +18,15 @@ export const en: Record<string, string> = {
   "get_inspection.param.id":
     "The inspection_id or site_inspection_id to retrieve",
   "get_issues.description":
-    "Get a filtered list of issues found during an inspection. Filter by category and/or severity.",
-  "get_issues.param.id": "The inspection_id to get issues for",
+    "Get a filtered list of issues found during an inspection. Works with both single-page inspection_id and site_inspection_id. For site inspections, aggregates issues from all pages.",
+  "get_issues.param.id":
+    "The inspection_id or site_inspection_id to get issues for",
   "get_issues.param.category":
     "Filter by category: html_css, accessibility, seo, or performance_security",
   "get_issues.param.severity":
     "Filter by severity: critical, major, minor, or info",
+  "get_issues.param.page_url":
+    "For site inspections: filter issues by page URL substring",
   "get_history.description":
     "List recent inspection history. Optionally filter by URL substring.",
   "get_history.param.url": "Optional URL substring to filter results",
diff --git a/mcp/src/i18n/ko.ts b/mcp/src/i18n/ko.ts
index d0727b8..fb451bb 100644
--- a/mcp/src/i18n/ko.ts
+++ b/mcp/src/i18n/ko.ts
@@ -18,12 +18,15 @@ export const ko: Record<string, string> = {
   "get_inspection.param.id":
     "조회할 inspection_id 또는 site_inspection_id",
   "get_issues.description":
-    "검사에서 발견된 이슈 목록을 필터링하여 조회합니다. 카테고리 및 심각도로 필터링 가능.",
-  "get_issues.param.id": "이슈를 조회할 inspection_id",
+    "검사에서 발견된 이슈 목록을 필터링하여 조회합니다. 단일 페이지 inspection_id와 site_inspection_id 모두 지원. 사이트 검사 시 모든 페이지의 이슈를 집계합니다.",
+  "get_issues.param.id":
+    "이슈를 조회할 inspection_id 또는 site_inspection_id",
   "get_issues.param.category":
     "카테고리 필터: html_css, accessibility, seo, performance_security",
   "get_issues.param.severity":
     "심각도 필터: critical, major, minor, info",
+  "get_issues.param.page_url":
+    "사이트 검사 시: 페이지 URL 부분 문자열로 이슈 필터링",
   "get_history.description":
     "최근 검사 이력을 조회합니다. URL로 필터링 가능.",
   "get_history.param.url": "결과를 필터링할 URL (부분 문자열)",
diff --git a/mcp/src/server.ts b/mcp/src/server.ts
index 83f4caa..cab804e 100644
--- a/mcp/src/server.ts
+++ b/mcp/src/server.ts
@@ -134,6 +134,10 @@ export function createServer(apiUrl: string, defaultLang: Lang): Server {
               enum: ["critical", "major", "minor", "info"],
               description: t("get_issues.param.severity", defaultLang),
             },
+            page_url: {
+              type: "string",
+              description: t("get_issues.param.page_url", defaultLang),
+            },
             language: {
               type: "string",
               enum: ["en", "ko"],
@@ -209,6 +213,7 @@ export function createServer(apiUrl: string, defaultLang: Lang): Server {
             lang,
             args.category as string | undefined,
             args.severity as string | undefined,
+            args.page_url as string | undefined,
           );
           break;
 
diff --git a/mcp/src/tools/get-issues.ts b/mcp/src/tools/get-issues.ts
index 3124b4a..f5f8d71 100644
--- a/mcp/src/tools/get-issues.ts
+++ b/mcp/src/tools/get-issues.ts
@@ -1,4 +1,4 @@
-import { ApiClient } from "../api-client.js";
+import { ApiClient, type Issue } from "../api-client.js";
 import { t } from "../i18n/index.js";
 
 export async function getIssues(
@@ -7,16 +7,155 @@ export async function getIssues(
   lang: "en" | "ko",
   category?: string,
   severity?: string,
+  pageUrl?: string,
 ): Promise<string> {
-  const result = await client.getIssues(id, category, severity);
+  // Try single-page first
+  try {
+    const result = await client.getIssues(id, category, severity);
+    return formatSingleIssues(result.inspection_id, result.issues, result.total, result.filters, lang);
+  } catch {
+    // Might be a site inspection ID — aggregate issues from all pages
+  }
+
+  try {
+    return await formatSiteIssues(client, id, lang, category, severity, pageUrl);
+  } catch {
+    return t("get_inspection.not_found", lang, { id });
+  }
+}
+
+async function formatSiteIssues(
+  client: ApiClient,
+  siteId: string,
+  lang: "en" | "ko",
+  category?: string,
+  severity?: string,
+  pageUrl?: string,
+): Promise<string> {
+  const site = await client.getSiteInspection(siteId);
+
+  // Collect pages with inspection results
+  let pages = site.discovered_pages.filter(
+    (p) => p.inspection_id && p.status === "completed",
+  );
+
+  // Filter by page URL if specified
+  if (pageUrl) {
+    pages = pages.filter((p) => p.url.includes(pageUrl));
+  }
+
+  if (pages.length === 0) {
+    const lines = [
+      `# ${t("get_issues.title", lang)} (Site)`,
+      `**Site**: ${site.root_url}`,
+      "",
+      "No completed page inspections found.",
+    ];
+    return lines.join("\n");
+  }
+
+  // Fetch issues from each page (parallel, max 10 concurrent)
+  type PageIssues = { url: string; issues: Issue[] };
+  const pageIssues: PageIssues[] = [];
+
+  const chunks = chunkArray(pages, 10);
+  for (const chunk of chunks) {
+    const results = await Promise.allSettled(
+      chunk.map(async (p) => {
+        const r = await client.getIssues(p.inspection_id!, category, severity);
+        return { url: p.url, issues: r.issues } as PageIssues;
+      }),
+    );
+    for (const r of results) {
+      if (r.status === "fulfilled" && r.value.issues.length > 0) {
+        pageIssues.push(r.value);
+      }
+    }
+  }
+
+  // Aggregate all issues
+  const allIssues = pageIssues.flatMap((p) =>
+    p.issues.map((i) => ({ ...i, _pageUrl: p.url })),
+  );
 
   const lines: string[] = [];
-  lines.push(`# ${t("get_issues.title", lang)}`);
-  lines.push(`**Inspection ID**: ${result.inspection_id}`);
-  lines.push(`**${t("get_issues.total", lang)}**: ${result.total}`);
+  lines.push(`# ${t("get_issues.title", lang)} (Site)`);
+  lines.push(`**Site**: ${site.root_url} (${site.domain})`);
+  lines.push(`**Pages**: ${pages.length}`);
+  lines.push(`**${t("get_issues.total", lang)}**: ${allIssues.length}`);
 
   // Show applied filters
-  const activeFilters = Object.entries(result.filters)
+  const filters: string[] = [];
+  if (category) filters.push(`category: ${category}`);
+  if (severity) filters.push(`severity: ${severity}`);
+  if (pageUrl) filters.push(`page: ${pageUrl}`);
+  if (filters.length > 0) {
+    lines.push(`**${t("get_issues.filters", lang)}**: ${filters.join(", ")}`);
+  }
+  lines.push("");
+
+  if (allIssues.length === 0) {
+    lines.push("No issues found.");
+    return lines.join("\n");
+  }
+
+  // Summary by severity
+  const sevCounts = { critical: 0, major: 0, minor: 0, info: 0 };
+  for (const i of allIssues) sevCounts[i.severity]++;
+  lines.push(
+    `**Summary**: Critical: ${sevCounts.critical}, Major: ${sevCounts.major}, Minor: ${sevCounts.minor}, Info: ${sevCounts.info}`,
+  );
+  lines.push("");
+
+  // Per-page breakdown table
+  lines.push("## Pages");
+  lines.push("| Page | Issues | Critical | Major |");
+  lines.push("|---|---|---|---|");
+  for (const pi of pageIssues) {
+    const crit = pi.issues.filter((i) => i.severity === "critical").length;
+    const maj = pi.issues.filter((i) => i.severity === "major").length;
+    const shortUrl = pi.url.length > 60 ? pi.url.slice(0, 57) + "..." : pi.url;
+    lines.push(`| ${shortUrl} | ${pi.issues.length} | ${crit} | ${maj} |`);
+  }
+  lines.push("");
+
+  // Top issues across all pages (critical + major first, max 15)
+  const sorted = allIssues
+    .sort((a, b) => sevOrder(a.severity) - sevOrder(b.severity))
+    .slice(0, 15);
+
+  lines.push("## Top Issues");
+  for (let i = 0; i < sorted.length; i++) {
+    const issue = sorted[i];
+    const shortUrl = issue._pageUrl.replace(site.root_url, "") || "/";
+    lines.push(
+      `### ${i + 1}. [${issue.severity.toUpperCase()}] ${issue.code} — ${shortUrl}`,
+    );
+    lines.push(`- **${t("result.message", lang)}**: ${issue.message}`);
+    if (issue.element) {
+      const el = issue.element.length > 120 ? issue.element.slice(0, 117) + "..." : issue.element;
+      lines.push(`- **${t("result.element", lang)}**: \`${el}\``);
+    }
+    lines.push(`- **${t("result.suggestion", lang)}**: ${issue.suggestion}`);
+    lines.push("");
+  }
+
+  return lines.join("\n");
+}
+
+function formatSingleIssues(
+  inspectionId: string,
+  issues: Issue[],
+  total: number,
+  filters: Record<string, string | null>,
+  lang: "en" | "ko",
+): string {
+  const lines: string[] = [];
+  lines.push(`# ${t("get_issues.title", lang)}`);
+  lines.push(`**Inspection ID**: ${inspectionId}`);
+  lines.push(`**${t("get_issues.total", lang)}**: ${total}`);
+
+  const activeFilters = Object.entries(filters)
     .filter(([, v]) => v)
     .map(([k, v]) => `${k}: ${v}`)
     .join(", ");
@@ -25,7 +164,7 @@ export async function getIssues(
   }
   lines.push("");
 
-  if (result.issues.length === 0) {
+  if (issues.length === 0) {
     lines.push("No issues found.");
     return lines.join("\n");
   }
@@ -36,8 +175,8 @@ export async function getIssues(
   );
   lines.push("|---|---|---|---|---|");
 
-  for (let i = 0; i < result.issues.length; i++) {
-    const issue = result.issues[i];
+  for (let i = 0; i < issues.length; i++) {
+    const issue = issues[i];
     const msg =
       issue.message.length > 80
         ? issue.message.slice(0, 77) + "..."
@@ -49,10 +188,10 @@ export async function getIssues(
   lines.push("");
 
   // Detailed view for first 10
-  const detailCount = Math.min(result.issues.length, 10);
+  const detailCount = Math.min(issues.length, 10);
   lines.push("## Details");
   for (let i = 0; i < detailCount; i++) {
-    const issue = result.issues[i];
+    const issue = issues[i];
     lines.push(`### ${i + 1}. [${issue.severity.toUpperCase()}] ${issue.code}`);
     lines.push(`- **${t("result.message", lang)}**: ${issue.message}`);
     if (issue.element) {
@@ -69,3 +208,15 @@ export async function getIssues(
 
   return lines.join("\n");
 }
+
+function sevOrder(s: string): number {
+  return { critical: 0, major: 1, minor: 2, info: 3 }[s] ?? 4;
+}
+
+function chunkArray<T>(arr: T[], size: number): T[][] {
+  const chunks: T[][] = [];
+  for (let i = 0; i < arr.length; i += size) {
+    chunks.push(arr.slice(i, i + size));
+  }
+  return chunks;
+}