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Real-time stock heatmaps and investment tools delivered as interactive React components.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 9 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 marketgenius MCP server exposes 17 tools, focused primarily on general-purpose capabilities. Its published description reads: "Real-time stock heatmaps and investment tools delivered as interactive React components". It communicates over Streamable HTTP using the 2025-06-18 protocol revision, and does not require authorization to connect. MCPGrade currently rates marketgenius F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Metadata dictates tool-call ordering" 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 marketgenius's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add marketgenius to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://marketgenius.app/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.
List all available Marketgenius tools with their names, descriptions, categories, and resource URIs. Use mg_list to discover what's available, or filter by category.
Open the CAGR Calculator React MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or pre-fill it with your inputs?" IF directly → call this tool now with no p
Update one or more fields in the already-open CAGR Calculator. ALWAYS call mg_calculator_cagr_state first — the user may have changed values manually in the GUI and you must not overwrite them. Pass t
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: mg_calculator_cagr
The text tells the model WHEN to call this tool relative to others ("always call first", "before any other tool", "chain to X tool") — a toxic-flow injection that hijacks the agent’s orchestration rather than describing the tool.
act MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or preRecommendationTool metadata must describe only the tool, never sequence the agent’s calls.
tool: mg_calculator_cagr_update
A tool description tries to alter the model’s use of another tool.
or. ALWAYS call mg_calculator_cagr_state first — the user may have changed values manualRecommendationDescriptions must describe only their own tool.
tool: mg_calculator_dividend
The text tells the model WHEN to call this tool relative to others ("always call first", "before any other tool", "chain to X tool") — a toxic-flow injection that hijacks the agent’s orchestration rather than describing the tool.
act MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or preRecommendationTool metadata must describe only the tool, never sequence the agent’s calls.
tool: mg_calculator_dividend_update
A tool description tries to alter the model’s use of another tool.
or. ALWAYS call mg_calculator_dividend_state first — the user may have changed values manualRecommendationDescriptions must describe only their own tool.
tool: mg_calculator_market_cap
The text tells the model WHEN to call this tool relative to others ("always call first", "before any other tool", "chain to X tool") — a toxic-flow injection that hijacks the agent’s orchestration rather than describing the tool.
act MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or preRecommendationTool metadata must describe only the tool, never sequence the agent’s calls.
tool: mg_calculator_market_cap_update
A tool description tries to alter the model’s use of another tool.
or. ALWAYS call mg_calculator_market_cap_state first — the user may have changed values manualRecommendationDescriptions must describe only their own tool.
tool: mg_calculator_profit_margin
The text tells the model WHEN to call this tool relative to others ("always call first", "before any other tool", "chain to X tool") — a toxic-flow injection that hijacks the agent’s orchestration rather than describing the tool.
act MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or preRecommendationTool metadata must describe only the tool, never sequence the agent’s calls.
tool: mg_calculator_profit_margin_update
A tool description tries to alter the model’s use of another tool.
or. ALWAYS call mg_calculator_profit_margin_state first — the user may have changed values manualRecommendationDescriptions 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: mg_calculator_cagr_update
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "mg_calculator_cagr_update"RecommendationScope tools to the minimum needed.
tool: mg_calculator_dividend_update
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "mg_calculator_dividend_update"RecommendationScope tools to the minimum needed.
tool: mg_calculator_market_cap_update
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "mg_calculator_market_cap_update"RecommendationScope tools to the minimum needed.
tool: mg_calculator_profit_margin_update
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "mg_calculator_profit_margin_update"RecommendationScope tools to the minimum needed.
The server exposes one or more ui:// (MCP Apps) resources whose HTML/JS renders inside the host client — a client-side injection / data-exposure surface most scanners ignore. Flagged for review, not damning on its own.
4 ui:// resource(s); e.g. ui://calculators/cagr.htmlRecommendationReview each ui:// resource’s markup and scripts; treat host-rendered UI as untrusted, sandbox it, and never expose secrets or conversation context to it.
Vantaj uptime monitoring via MCP — manage monitors, heartbeats, incidents, and status pages.
Unified gateway to Algeria's TKAWEN ecosystem: commerce, certification, and AI tools.
Provides access to the Cohereon Doctrine AI safety framework with governance components, tiered access, and agent onboarding.
Agentic rails for complex workflows with receipts, fees, and MCP tool access.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Sync user-entered field values of the open CAGR Calculator back to the session store so the model can read them via the state tool. Called by the View after any field change; hidden from the model.
Read the current field values of the open CAGR Calculator. Call this before answering any question about the current values — the user may have changed fields manually in the GUI. Do not call this on
Open the Dividend Calculator React MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or pre-fill it with your inputs?" IF directly → call this tool now with
Update one or more fields in the already-open Dividend Calculator. ALWAYS call mg_calculator_dividend_state first — the user may have changed values manually in the GUI and you must not overwrite them
Sync user-entered field values of the open Dividend Calculator back to the session store so the model can read them via the state tool. Called by the View after any field change; hidden from the model
Read the current field values of the open Dividend Calculator. Call this before answering any question about the current values — the user may have changed fields manually in the GUI. Do not call this
Open the Market Cap Calculator React MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or pre-fill it with your inputs?" IF directly → call this tool now wit
Update one or more fields in the already-open Market Cap Calculator. ALWAYS call mg_calculator_market_cap_state first — the user may have changed values manually in the GUI and you must not overwrite
Sync user-entered field values of the open Market Cap Calculator back to the session store so the model can read them via the state tool. Called by the View after any field change; hidden from the mod
Read the current field values of the open Market Cap Calculator. Call this before answering any question about the current values — the user may have changed fields manually in the GUI. Do not call th
Open the Profit Margin Calculator React MCP App UI. ALWAYS ask first — never call this tool silently: "Open the calculator directly, or pre-fill it with your inputs?" IF directly → call this tool now
Update one or more fields in the already-open Profit Margin Calculator. ALWAYS call mg_calculator_profit_margin_state first — the user may have changed values manually in the GUI and you must not over
Sync user-entered field values of the open Profit Margin Calculator back to the session store so the model can read them via the state tool. Called by the View after any field change; hidden from the
Read the current field values of the open Profit Margin Calculator. Call this before answering any question about the current values — the user may have changed fields manually in the GUI. Do not call