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FinancialMCP serverFirst audited Nov 13, 2026

XOOMAR market data

Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 26 of 26 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 334 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://xoomar.com/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 0.1.11

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: 26 of 26 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.

    • short_interest
    • short_volume
    • fails_to_deliver
    • insider_trades
    • insider_clusters
    • threshold_list
    • planned_insider_sales
    • large_holders
    • and 18 more

Tools

  • Passed: 26 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 (26)

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

  • short_interestShort interest for a US stock: shares short, average daily volume, days to cover, change, per FINRA settlement date (twice a month), newest first. Without a symbol: the latest settlement's highest da…Doesn't say
  • short_volumeDaily short sale volume and total volume per symbol from FINRA's Reg SHO files since August 2021, with the short share of volume. History for a symbol (oldest first; from, to and limit select the win…Doesn't say
  • fails_to_deliverSEC fails-to-deliver quantity and price by settlement date for a symbol since January 2010 (from, to and limit select the window, up to 5,000 dates), or the latest settlement's largest fails by value.Doesn't say
  • insider_tradesInsider transactions from SEC Form 4: insider name and title, transaction code, shares, price, value, date. History for a ticker (from, to and limit select the window, up to 2,000 rows) or the latest…Doesn't say
  • insider_clustersCompanies where several different insiders bought their own stock on the open market within a window (Form 4 transaction code P only): distinct buyers with titles, trades, combined value, first and l…Doesn't say
  • threshold_listReg SHO threshold lists from the Nasdaq and Cboe daily files since 2022: securities whose fails to deliver stayed above the threshold for five settlement days. One date (default the newest), one symb…Doesn't say
  • planned_insider_salesForm 144 notices: an affiliate's planned sale of restricted or control stock (seller, shares, approximate market value, planned date), filed before the trade.Doesn't say
  • large_holdersHolders above 5% from Schedule 13D (active) and 13G (passive) cover pages: holder, shares, percent of class, filing date. For a symbol or the latest filings.Doesn't say
  • fund_holdersWhich tracked 13F managers (Berkshire, Bridgewater, Citadel, Renaissance and others) held a ticker at their latest quarterly filing: shares, value, share of portfolio, change.Doesn't say
  • fund_portfolioThe latest 13F portfolio of one tracked manager by slug, e.g. berkshire-hathaway, bridgewater, citadel-advisors, renaissance-technologies. Positions with value, shares and share of portfolio.Doesn't say
  • company_financialsQuarterly revenue, net income and diluted EPS (calendar quarters, fourth quarter derived from the annual report), annual revenue, net income, operating cash flow, capex, buybacks and dividends, and t…Doesn't say
  • corporate_events8-K current reports with their item numbers (2.02 earnings, 5.02 officer changes, 1.01 agreements and so on), for a ticker or the latest across companies.Doesn't say
  • earnings_calendarWhen US companies report results, from their own 8-K filings. With a ticker: every reported date since 2023 and the next expected date (an estimate until the company confirms it). Without: the calend…Doesn't say
  • cot_positioningWeekly CFTC positioning: the latest report across all tracked markets, or one market's history by slug (e.g. gold, bitcoin, euro-fx, e-mini-s-p-500-stock-index, 10-year-u-s-treasury-notes-chicago-boa…Doesn't say
  • funding_ratesCurrent perpetual funding rates on Binance, Bybit, OKX, Hyperliquid and Kraken for tracked crypto symbols (hourly venues shown as the 8-hour equivalent), or one symbol's history by slug (e.g. btc, et…Doesn't say
  • fed_liquidityWeekly US net liquidity (Fed balance sheet minus the Treasury General Account minus reverse repo) with its components, oldest first, or one FRED series (WALCL, WRESBAL, RRPONTSYD, WTREGEN, SOFR, EFFR…Doesn't say
  • policy_ratesCentral bank policy rates for 38 economies with a current series: the current table, or one country code's history (e.g. us, xm for the euro area, jp, gb).Doesn't say
  • macro_seriesUS Treasury yield curve points, curve spreads and stablecoin supply as daily series. Filter by series name and date range.Doesn't say
  • treasury_auctionsTreasury auction results and calendar since 2010 from TreasuryDirect: security type and term, auction and issue dates, offering amount, high yield or discount rate, bid-to-cover, dealer, direct and i…Doesn't say
  • economic_calendarScheduled US releases from the agencies' own calendars (CPI, PPI, payrolls, weekly jobless claims, PCE, GDP, retail sales, housing, durable goods, industrial production, trade, FOMC decisions and min…Doesn't say
  • private_placementsForm D notices of exempt offerings: issuer, amount sold, amount offered, investors, whether it is a pooled fund. Largest raises in a window, one issuer by CIK, or the most recent filings.Doesn't say
  • ipo_pipelineS-1 and F-1 registration statements, 424B4 final prospectuses, EFFECT notices and RW withdrawals from EDGAR, with the filer's listing status.Doesn't say
  • bitcoin_treasuriesBitcoin holdings of public companies from their own XBRL filings: coins, fair value, cost basis, as of the filing period.Doesn't say
  • federal_contractsLargest US federal contract actions from USAspending, optionally summed by listed parent company (by=ticker) or filtered to one ticker.Doesn't say
  • crypto_marketOpen interest history for a symbol slug, recent liquidations across exchanges, Deribit options metrics (put/call, max pain, DVOL) for BTC or ETH, or Hyperliquid whale positions.Doesn't say
  • api_referenceHow the underlying free API works: endpoints, parameters, rate limits, CSV downloads and the attribution terms. Use when a tool here does not cover the exact query.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 200334 ms
initializedHTTP 202210 ms
tools/listHTTP 200439 ms
unknown-methodHTTP 200226 ms

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