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Hosted Chromium in mainland China: scripted actions, URL screenshots, and print-to-PDF.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 26 days ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The stagenth-browser MCP server exposes 3 tools, focused primarily on web capabilities. Its published description reads: "Hosted Chromium in mainland China: scripted actions, URL screenshots, and print-to-PDF". It communicates over Streamable HTTP using the 2025-06-18 protocol revision, and does not require authorization to connect. MCPGrade currently rates stagenth-browser F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Data-exfiltration parameters" and "Data-exfiltration parameters". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check stagenth-browser's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add stagenth-browser to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://stagenth.com/mcp/browser/Streamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
在境内托管浏览器里打开网页并执行一串动作，返回抽取的数据 + 截图下载 URL。 浏览器跑在中国境内、真 Chromium 渲染，能打开海外抓不动的国内站（政务/招投标/电商比价）。 按浏览器时长计费（每 15 秒 1 credit，不足 1 档按 1 档）；执行失败不计费。
给网页拍一张截图（境内真 Chromium 渲染），PNG 落文件中转站并返 15 分钟下载 URL。 比 browser_run 简单直接：一个 URL 进、一张图出；固定 1 credit，失败不计费。
把网页打印成 PDF（境内真 Chromium 渲染，文字可选中可搜索），落文件中转站并返下载 URL。 适合归档网页、报告引用、给不能上网的流程留底；固定 1 credit，失败不计费。
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: browser_run
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "url"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: browser_screenshot
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "url"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: browser_screenshot
A tool description tries to alter the model’s use of another tool.
URL。 比 browser_run 简单直接：一个 URL 进、一张图出；固定 1 credit，失败不计费。RecommendationDescriptions must describe only their own tool.
tool: browser_pdf
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "url"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
执行，用户间数据隔离。提供工具：browser_run（在境内托管浏览器里打开网页、点/填/滚、抽数据、截图；真 Chromium 渲染 + 中国境内RecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
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