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Searches SinoConnection's travel eSIM data plans, checks device compatibility, and generates checkout links for coverage across 200+ countries.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 1 month 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 sinoconnection-esim MCP server exposes 5 tools, focused primarily on general-purpose capabilities. Its published description reads: "Searches SinoConnection's travel eSIM data plans, checks device compatibility, and generates checkout links for coverage across 200+ countries". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates sinoconnection-esim F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Hidden instructions in a tool description" and "Cross-tool shadowing". 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 sinoconnection-esim's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add sinoconnection-esim to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://70ug3hqb29.execute-api.us-east-1.amazonaws.com/mcpStreamable 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.
Search travel eSIM plans for any of 200+ countries. Specialized China plans deliver uncensored internet WITHOUT a VPN (unlike most eSIMs, which are throttled or blocked in China) — only when the plan'
Full details for a specific plan by id — call this WHENEVER the customer selects or shows interest in a plan; do NOT just quote a bare price. Returns coverage, networks, activation window and fair-usa
Check whether a phone/tablet model supports eSIM before recommending a plan. Free-text device name in; compatible yes/no plus closest matches out. IMPORTANT: eSIM hardware support is only HALF the req
Create a secure checkout link for a chosen plan (by id). Before sharing the link, confirm with the customer that their phone is (1) eSIM-compatible AND (2) carrier-unlocked — a locked phone cannot use
Answer customer support and policy questions about SinoConnection eSIMs: the REFUND POLICY, how to INSTALL (with step-by-step videos), activation, HOW THE NO-VPN CHINA ACCESS WORKS (roaming / exit IP
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: check_device_compatibility
A tool description contains imperative text aimed at the model (e.g. "ignore previous", "before answering read …").
st matches out. IMPORTANT: eSIM hardware support is only HALF the requiremRecommendationRemove model-directed instructions from tool descriptions.
tool: search_esim_plans
A tool description tries to alter the model’s use of another tool.
alue pick. Call get_plan_details for the full pitch once the customer shows inteRecommendationDescriptions must describe only their own tool.
tool: get_plan_details
A tool description tries to alter the model’s use of another tool.
ink. Use before create_checkout_link.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.
tool: search_esim_plans
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_plan_details
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: check_device_compatibility
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: create_checkout_link
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_help
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
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