XOOMAR market data
by xoomar.com · remote · local (npm) · no sign-in to list tools · v0.1.11 · published by com.xoomar
Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity.
Final · 7Changes · 18
26 tools: 7 do something that can't be undone, 18 change things and 1 only read.
Scanned Oct 21, 2026
- Deletes or cancels0Claude Code: deny
- Can't be undone7Claude Code: ask: see these tools
- Changes things18Claude Code: ask: see these tools
- Only reads1Claude Code: allow: see these tools
No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http xoomar https://xoomar.com/mcpTools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
26 tools
Can't be undone 7Claude Code: ask
earnings_calendarWhen US companies report results, from their own 8-K filings.No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it When 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 calendar window (default today to 14 days ahead; from and to open any window up to 120 days; status reported or estimated). Dates only, no EPS or consensus.
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, FOM…No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it Scheduled 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 minutes, Beige Book), with the actual and previous print filled after release and a unit field. No consensus figures. Default window: last 7 days to next 30.
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 lar…No findings
Why it is in this group
- The name "fails_to_deliver" says "deliver": a word for sending, and what is sent cannot be taken back.
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it SEC 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.
insider_tradesInsider transactions from SEC Form 4: insider name and title, transaction code, shares, price, value, date.No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it Insider 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 trades across companies (type buys for open-market purchases, sells for sales).
macro_seriesUS Treasury yield curve points, curve spreads and stablecoin supply as daily series.No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it US Treasury yield curve points, curve spreads and stablecoin supply as daily series. Filter by series name and date range.
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.No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it Daily 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 window, up to 5,000 days) or the latest day's largest short volumes.
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, d…No findings
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it Treasury 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 indirect allotments. Default: coupon auctions (notes, bonds, TIPS, FRNs); upcoming=true lists announced auctions not yet run.
Changes things 18Claude Code: ask
api_referenceHow the underlying free API works: endpoints, parameters, rate limits, CSV downloads and the attribution terms.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it How 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.
bitcoin_treasuriesBitcoin holdings of public companies from their own XBRL filings: coins, fair value, cost basis, as of the filing period.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Bitcoin holdings of public companies from their own XBRL filings: coins, fair value, cost basis, as of the filing period.
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 a…No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Quarterly 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 the latest balance sheet instants, from the company's own XBRL filings.
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.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it 8-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.
cot_positioningWeekly CFTC positioning: the latest report across all tracked markets, or one market's history by slug (e.g.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Weekly 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-board-of-trade; the latest report lists every slug): open interest and long/short by trader category.
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.No findings
Why it is in this group
- The description's first verb is "open": a word for a change.
Description, as the server wrote it Open 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.
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, …No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Weekly 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, IORB, WSHOSHO).
federal_contractsLargest US federal contract actions from USAspending, optionally summed by listed parent company (by=ticker) or filtered to one ticker.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Largest US federal contract actions from USAspending, optionally summed by listed parent company (by=ticker) or filtered to one ticker.
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.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Which tracked 13F managers (Berkshire, Bridgewater, Citadel, Renaissance and others) held a ticker at their latest quarterly filing: shares, value, share of portfolio, change.
fund_portfolioThe latest 13F portfolio of one tracked manager by slug, e.g.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it The 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.
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…No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Current 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, eth, sol).
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…No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Companies 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 latest trade dates. Default: three or more insiders in 30 days, sorted by number of insiders then value. Use ticker to check one company.
ipo_pipelineS-1 and F-1 registration statements, 424B4 final prospectuses, EFFECT notices and RW withdrawals from EDGAR, with the filer's listing status.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it S-1 and F-1 registration statements, 424B4 final prospectuses, EFFECT notices and RW withdrawals from EDGAR, with the filer's listing status.
large_holdersHolders above 5% from Schedule 13D (active) and 13G (passive) cover pages: holder, shares, percent of class, filing date.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Holders 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.
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.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Form 144 notices: an affiliate's planned sale of restricted or control stock (seller, shares, approximate market value, planned date), filed before the trade.
policy_ratesCentral bank policy rates for 38 economies with a current series: the current table, or one country code's history (e.g.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Central 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).
private_placementsForm D notices of exempt offerings: issuer, amount sold, amount offered, investors, whether it is a pooled fund.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Form 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.
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.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it Short 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 days-to-cover names.
Only reads 1Claude Code: allow
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.No findings
Why it is in this group
- The name "threshold_list" says "list": a word for reading.
Description, as the server wrote it Reg 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 symbol's days on the list, or one listing market.
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 0.1.11. Values in angle brackets are yours to fill in.
claude mcp add --transport http xoomar https://xoomar.com/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__xoomar__threshold_list"
],
"ask": [
"mcp__xoomar__short_interest",
"mcp__xoomar__short_volume",
"mcp__xoomar__fails_to_deliver",
"mcp__xoomar__insider_trades",
"mcp__xoomar__insider_clusters",
"mcp__xoomar__planned_insider_sales",
"mcp__xoomar__large_holders",
"mcp__xoomar__fund_holders",
"mcp__xoomar__fund_portfolio",
"mcp__xoomar__company_financials",
"mcp__xoomar__corporate_events",
"mcp__xoomar__earnings_calendar",
"mcp__xoomar__cot_positioning",
"mcp__xoomar__funding_rates",
"mcp__xoomar__fed_liquidity",
"mcp__xoomar__policy_rates",
"mcp__xoomar__macro_series",
"mcp__xoomar__treasury_auctions",
"mcp__xoomar__economic_calendar",
"mcp__xoomar__private_placements",
"mcp__xoomar__ipo_pipeline",
"mcp__xoomar__bitcoin_treasuries",
"mcp__xoomar__federal_contracts",
"mcp__xoomar__crypto_market",
"mcp__xoomar__api_reference"
],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as xoomar. Review it before you use it.