fix(web_fetch): include page body in structuredContent

manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": "0.2",
   "name": "massive-mcp",
   "display_name": "Massive Web Render",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Real-time web access for AI agents — fetch URLs, search Google, query AI chatbots.",
   "long_description": "Official MCP server for the Massive Web Render API.\n\nFour tools: web_fetch (any URL → Markdown/HTML, with JS rendering, captchas, and geo-targeting), web_search (parsed Google SERP with AI overview + people-also-asked), ai_chat_completion (ChatGPT/Gemini/Perplexity/Copilot answers with structured sources), account_status (credits remaining).\n\nThree reference resources surface inside MCP clients (Connectors panel / @-menu): docs://massive/pricing, docs://massive/geotargeting, docs://massive/changelog. Four starter prompts ship out of the box.\n\nPay-as-you-go pricing — see https://joinmassive.com/pricing. MIT-licensed; source at https://github.com/joinmassive/mcp-server. Compatible with Claude Desktop, Claude Code, Cursor, Continue, Cody, Windsurf, and any MCP-compatible client.",
   "author": { "name": "Massive Computing, Inc.", "url": "https://joinmassive.com" },

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@joinmassive/mcp-server",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Official MCP server for the Massive Web Render API. Real-time web access for AI agents — fetch any URL, search Google, query AI chatbots — with JS rendering, captcha solving, and 195+ country geo-targeting.",
   "license": "MIT",
   "type": "module",

src/resources/changelog.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## v0.2.2 (2026-06-11)
+
+### Fixed
+- **`web_fetch` body missing in clients that read `structuredContent`** (e.g. Claude Cowork): the page body was returned only in the text content block, while `structuredContent` carried just `{format, url, bytes}` metadata. Clients that show the model `structuredContent` instead of the content blocks received no page body. The body is now included as `structuredContent.body`, making the two representations functionally equivalent per the MCP spec (MASS-739).
+
 ## v0.2.1 (2026-05-05)
 
 Polish on top of v0.2.0 — visual fixes for Claude Desktop and a runtime API migration. No new tool capabilities.

src/tools/web-fetch.ts

@@ -59,10 +59,13 @@ export async function webFetchHandler(input: Input, client: MassiveClient): Prom
       difficulty: parsed.difficulty,
     });
 
+    // `body` must be present here too: some clients (e.g. Claude Cowork) show the
+    // model only structuredContent, others only the text content blocks (MASS-739).
     const structured: Record<string, unknown> = {
       format: parsed.format,
       url: parsed.url,
       bytes: Buffer.byteLength(body, "utf8"),
+      body,
     };
     if (parsed.country) structured.country = parsed.country;
     if (parsed.city) structured.city = parsed.city;

tests/test-live.ts

@@ -1,4 +1,5 @@
 import { MassiveClient } from "../src/client.js";
+import { webFetchHandler } from "../src/tools/web-fetch.js";
 
 interface UserRow {
   email: string;
@@ -30,6 +31,19 @@ async function main(): Promise<void> {
     }),
   );
 
+  results.push(
+    await run("web_fetch handler: structuredContent.body matches text content (MASS-739)", async () => {
+      const result = await webFetchHandler(
+        { url: "https://example.com", format: "markdown", difficulty: "low" },
+        client,
+      );
+      if (result.isError) return false;
+      const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+      const sc = result.structuredContent as { body?: string } | undefined;
+      return Boolean(sc?.body) && sc?.body === text && text.toLowerCase().includes("example domain");
+    }),
+  );
+
   results.push(
     await run("web_search", async () => {
       const html = await client.get<string>("/search", {

tests/tools/web-fetch.test.ts

@@ -27,9 +27,8 @@ describe("webFetchHandler", () => {
       format: "markdown",
       url: "https://example.com",
       bytes: 6,
+      body: "# Page",
     });
-    // Body must NOT be duplicated into structuredContent — already in content[0].text
-    expect(result.structuredContent).not.toHaveProperty("content");
   });
 
   it("forwards optional country, city, device and echoes them in structured output", async () => {
@@ -53,8 +52,8 @@ describe("webFetchHandler", () => {
       country: "DE",
       city: "Berlin",
       device: "iphone-15",
+      body: "ok",
     });
-    expect(result.structuredContent).not.toHaveProperty("content");
   });
 
   it("returns an MCP error result on upstream failure", async () => {