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Directory / Marketgenius
Marketgenius
by marketgenius.app · https://marketgenius.app/mcp
Our free Marketgenius investment tools as live, interactive React MCP Apps.
Partial: 9 of 12 checks · 28 Oct 2026
Is Marketgenius MCP server safe?
- No hidden instructions were found in its tool descriptions.
- 0 of its 17 tools are labeled read-only; the others may change or send things.
- Overall it scored 79/100 on 28 Oct 2026.
A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.
What it can do
17 tools, in the server's own words.
mg_listList all available Marketgenius tools with their names, descriptions, categories, and resource URIs.
mg_calculator_cagrOpen the CAGR Calculator React MCP App UI.
mg_calculator_cagr_updateUpdate one or more fields in the already-open CAGR Calculator.
mg_calculator_cagr_syncSync user-entered field values of the open CAGR Calculator back to the session store so the model can read them via the state tool.
mg_calculator_cagr_stateRead the current field values of the open CAGR Calculator.
mg_calculator_dividendOpen the Dividend Calculator React MCP App UI.
mg_calculator_dividend_updateUpdate one or more fields in the already-open Dividend Calculator.
mg_calculator_dividend_syncSync user-entered field values of the open Dividend Calculator back to the session store so the model can read them via the state tool.
mg_calculator_dividend_stateRead the current field values of the open Dividend Calculator.
mg_calculator_market_capOpen the Market Cap Calculator React MCP App UI.
mg_calculator_market_cap_updateUpdate one or more fields in the already-open Market Cap Calculator.
mg_calculator_market_cap_syncSync 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.
mg_calculator_market_cap_stateRead the current field values of the open Market Cap Calculator.
mg_calculator_profit_marginOpen the Profit Margin Calculator React MCP App UI.
mg_calculator_profit_margin_updateUpdate one or more fields in the already-open Profit Margin Calculator.
mg_calculator_profit_margin_syncSync 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.
mg_calculator_profit_margin_stateRead the current field values of the open Profit Margin Calculator.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Every tool is describednote
28 warnings
- !mg_calculator_cagr_state: Inputs with no description: sessionId
- !mg_calculator_dividend_state: Inputs with no description: sessionId
- !mg_calculator_market_cap_state: Inputs with no description: sessionId
- !mg_calculator_profit_margin_state: Inputs with no description: sessionId
- !mg_calculator_cagr_update and mg_calculator_dividend_update have nearly the same description (95% of their words are shared; the only difference: "cagr" vs "dividend"), so an AI may not know which to pick
- !mg_calculator_cagr_update and mg_calculator_market_cap_update have nearly the same description (93% of their words are shared; the only difference: "cagr" vs "market", "cap"), so an AI may not know which to pick
- !mg_calculator_cagr_update and mg_calculator_profit_margin_update have nearly the same description (93% of their words are shared; the only difference: "cagr" vs "profit", "margin"), so an AI may not know which to pick
- !mg_calculator_dividend_update and mg_calculator_market_cap_update have nearly the same description (93% of their words are shared; the only difference: "dividend" vs "market", "cap"), so an AI may not know which to pick
- and 20 more
- !Tools are labeled safe or dangerousnote
1 warning
- !17 of 17 tools have no safety label (read-only or dangerous): mg_list, mg_calculator_cagr, mg_calculator_cagr_update, mg_calculator_cagr_sync, mg_calculator_cagr_state, mg_calculator_dividend, mg_calculator_dividend_update, mg_calculator_di
- !Follows MCP best practices (not scored yet)note
2 tips (not scored)
- !17 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): mg_list, mg_calculator_cagr, mg_calculator_cagr_update, mg_calculator_cagr_sync, mg_calculator_cagr_state, mg_calculator_dividend and 11 more
- !17 tools don't say whether they reach outside services like the web (openWorldHint): mg_list, mg_calculator_cagr, mg_calculator_cagr_update, mg_calculator_cagr_sync, mg_calculator_cagr_state, mg_calculator_dividend and 11 more
- ✓ConnectsConnected in 304 mspass
- ✓Lists its toolsFound 17 toolspass
- ✓No hidden instructionsNo hidden instructions found in tool descriptionspass
- ✓Fast enoughpass
All good
- ✓Connecting took 304 ms
- ✓Listing tools took 100 ms
- ✓Resources and prompts workpass
All good (4 resources)
- ✓Opened 4 of 4 resources
- ✓An address that does not exist gets a clean "not found" error
- –Tools work with good inputsnot tested
Not tested
- –mg_list: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_cagr: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_cagr_update: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_cagr_sync: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_cagr_state: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_dividend: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_dividend_update: Not run: no safety label (if you own this server, test again in owner mode)
- –mg_calculator_dividend_sync: Not run: no safety label (if you own this server, test again in owner mode)
- and 9 more
- –Bad inputs give a clean errorNot testednot tested
- –Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)not tested
- –No secrets leakedNo error messages to checknot tested
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://marketgenius.app/mcpShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/app-marketgenius-mcp.html)Score over time
- 28 Oct 202679
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use Marketgenius, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works