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FinancialMCP serverFirst audited Nov 13, 2026

Stock Market Data MCP

Real-time stock quotes, history, options chains, sector performance & screening for agents.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 9 of 9 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 179 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://market-data-mcp-production.up.railway.app/mcp

Source code Streamable HTTP · protocol 2025-11-25 · server version 4.1.4

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 9 of 9 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • quote
    • batch_quote
    • price_history
    • options_chain
    • sector_performance
    • screener
    • daily_brief
    • brief_summary
    • and 1 more

Tools

  • Passed: 9 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (9)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • quoteGet the latest stock quote for a ticker — price, change, change %, volume, market cap, trailing P/E, and the 52-week high/low. FREE — the gateway tool every agent tracking equities needs. Served from…Doesn't say
  • batch_quoteGet latest quotes for many tickers in one call — price, change, volume, market cap, P/E and 52-week range for each. FREE for up to 10 tickers. Above 10, PAID at $0.005 USDC per extra ticker after th…Doesn't say
  • price_historyGet OHLCV price history for a ticker — open/high/low/close/volume bars over a window, for charting, backtesting, and technical analysis. PAID: $0.01 USDC per query after a daily free allowance. On a…Doesn't say
  • options_chainGet the option chain for a ticker — calls and puts with strike, last price, bid/ask, volume, open interest, and implied volatility, plus the available expiries. (Greeks are not provided by the source…Doesn't say
  • sector_performanceGet market sector performance — the 11 GICS sectors (via their SPDR sector ETFs) ranked by today's move, with 5-day, 1-month, and year-to-date returns. FREE. For rotation, breadth, and macro position…Doesn't say
  • screenerScreen the tracked large-cap universe by market cap, trailing P/E, dividend yield, and sector — returns matching stocks ranked by market cap. A raw market-data filter; for a ranked, fundamentals-driv…Doesn't say
  • daily_briefGet the curated daily market brief — the day's top gainers and losers, most active names by volume, sector performance, and notable 52-week highs/lows, in one package. Each brief carries a MINT prove…Doesn't say
  • brief_summaryGet the top 5 signals from today's brief as structured JSON — a cheap sample of the full daily_brief. Returns the day's highest-priority items (no prose) so an agent can decide whether to buy the ful…Doesn't say
  • mint_infoFoundryNet Data Network + MINT Protocol details (FREE). How to attest your agent's market analysis and trade signals on-chain for verifiable proof of work, and the sibling data servers available acro…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200179 ms
initializedHTTP 202126 ms
tools/listHTTP 20095 ms
resources/listHTTP 20091 ms
prompts/listHTTP 20094 ms
unknown-methodHTTP 20096 ms

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