XOOMAR market data
NPM · XOOMAR-MCP · 2 COMPONENTS · SCANNED SEP 25
Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →
Supply Chain Security98
- No malware found by supply-chain analysis.Pass
- No known CVEs affecting this package version or its production dependencies.Pass
- No install/post-install scripts declared.Pass
- 31 of 95 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (Apache-2.0).Pass
- Actively maintained (last published 0 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability75
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 2583 tokens (~99/item across 26 items; 26 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
- Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage87
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 62% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 26 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 26 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the XOOMAR market data MCP server?
XOOMAR market data runs locally as an npm package, launched with npx -y xoomar-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · xoomar-mcp
claude mcp add com-xoomar-xoomar-mcp -- npx -y xoomar-mcp
{
"mcpServers": {
"com-xoomar-xoomar-mcp": {
"command": "npx",
"args": [
"-y",
"xoomar-mcp"
]
}
}
} {
"servers": {
"com-xoomar-xoomar-mcp": {
"command": "npx",
"args": [
"-y",
"xoomar-mcp"
]
}
}
} codex mcp add com-xoomar-xoomar-mcp -- npx -y xoomar-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"com-xoomar-xoomar-mcp": {
"type": "local",
"command": [
"npx",
"-y",
"xoomar-mcp"
],
"enabled": true
}
}
} openclaw mcp add com-xoomar-xoomar-mcp --command npx --arg -y --arg xoomar-mcp
mcp_servers:
com-xoomar-xoomar-mcp:
command: "npx"
args: ["-y", "xoomar-mcp"] {
"McpServers": {
"com-xoomar-xoomar-mcp": {
"Transport": "stdio",
"Command": "npx",
"Arguments": [
"-y",
"xoomar-mcp"
]
}
}
} assistant mcp add com-xoomar-xoomar-mcp -t stdio -c npx -a -y xoomar-mcp
{
"mcpServers": {
"com-xoomar-xoomar-mcp": {
"command": "npx",
"args": [
"-y",
"xoomar-mcp"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 25 Sept 26 +26
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 24 Sept 26 −23
- Known CVEs: pass → unverified ▼ security
- Malware scan: pass → unverified ▼ security
- Tool safety: pass → unverified ▼ security
- Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet. security
- Dependency health: 0.85 → unverified ▼ functional
- Capabilities: pass → unverified ▼ functional
- Tool coverage: 100 → unverified ▼ functional
- Stability: unverified → 0.20 ▲ functional
- First check of Schema quality: unverified functional
- Package version: 0.1.7 → 0.1.10 functional
- Package version: 0.1.7 → 0.1.9 functional
- 19 Sept 26 +15
- Malware scan: unverified → pass ▲ security
- 18 Sept 26 54
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 25 Sept 2026 · Analysed npm/xoomar-mcp@0.1.10
Provenance No attestation
The registry publishes no build provenance for this version, so there is nothing to verify.
| Result | No attestation |
|---|---|
| Ecosystem | npm |
Background: How many MCP packages publish verified provenance →
Dependencies 95 packages
| Packages resolved | 95 |
|---|---|
| Stale | 31 |
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
api_reference XOOMAR API reference ~41
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.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
bitcoin_treasuries Bitcoin held by public companies ~37
Bitcoin holdings of public companies from their own XBRL filings: coins, fair value, cost basis, as of the filing period.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
company_financials Company financials from SEC XBRL ~96
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.
| Name | Type | Req | Description |
|---|---|---|---|
| symbol | string | yes | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
corporate_events SEC 8-K material events ~117
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.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | Window in days (default 30, max 90) |
| item | string | – | 8-K item number, e.g. 2.02 |
| ticker | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
cot_positioning CFTC Commitments of Traders ~113
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.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| market | string | – | Market slug, e.g. gold; omit for the latest report across markets |
No output schema declared.
No examples provided.
crypto_market Crypto market data ~85
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.
| Name | Type | Req | Description |
|---|---|---|---|
| dataset | string | yes | – |
| slug | string | – | open-interest: symbol slug (e.g. btc); options: BTC or ETH; whales: coin (optional) |
No output schema declared.
No examples provided.
earnings_calendar Earnings calendar (8-K Item 2.02) ~151
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.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD |
| limit | integer | – | – |
| status | string | – | – |
| ticker | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
| to | string | – | YYYY-MM-DD |
No output schema declared.
No examples provided.
economic_calendar US economic calendar ~117
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.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD |
| importance | string | – | – |
| to | string | – | YYYY-MM-DD |
No output schema declared.
No examples provided.
fails_to_deliver SEC fails to deliver ~125
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.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD |
| limit | integer | – | Newest dates in the window (default 400) |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
| to | string | – | YYYY-MM-DD |
No output schema declared.
No examples provided.
fed_liquidity Fed liquidity ~95
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).
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | Most recent N observations (default 52) |
| series | string | – | – |
No output schema declared.
No examples provided.
federal_contracts US federal contract actions ~88
Largest US federal contract actions from USAspending, optionally summed by listed parent company (by=ticker) or filtered to one ticker.
| Name | Type | Req | Description |
|---|---|---|---|
| by | string | – | – |
| days | integer | – | – |
| listed | boolean | – | – |
| ticker | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
fund_holders 13F institutional holders of a stock ~80
Which tracked 13F managers (Berkshire, Bridgewater, Citadel, Renaissance and others) held a ticker at their latest quarterly filing: shares, value, share of portfolio, change.
| Name | Type | Req | Description |
|---|---|---|---|
| ticker | string | yes | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
fund_portfolio A tracked manager's 13F portfolio ~72
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.
| Name | Type | Req | Description |
|---|---|---|---|
| slug | string | yes | Manager slug, e.g. berkshire-hathaway |
No output schema declared.
No examples provided.
funding_rates Perpetual futures funding rates ~70
Current perpetual funding rates on Binance, Bybit, OKX, Hyperliquid, Kraken and BitMEX for tracked crypto symbols (hourly venues shown as the 8-hour equivalent), or one symbol's history by slug (e.g. btc, eth, sol).
| Name | Type | Req | Description |
|---|---|---|---|
| slug | string | – | – |
No output schema declared.
No examples provided.
insider_clusters Insider cluster buying ~160
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.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | Window in days (default 30) |
| limit | integer | – | – |
| minInsiders | integer | – | Distinct buyers required (default 3) |
| minUsd | number | – | Combined purchases at or above this, USD |
| ticker | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
insider_trades SEC Form 4 insider trades ~180
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).
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD (ticker history only) |
| limit | integer | – | Newest rows in the window (ticker history only, default 200) |
| ticker | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
| to | string | – | YYYY-MM-DD (ticker history only) |
| type | string | – | buys: open-market purchases, sells: sales (latest view only) |
| window | string | – | – |
No output schema declared.
No examples provided.
ipo_pipeline IPO pipeline ~86
S-1 and F-1 registration statements, 424B4 final prospectuses, EFFECT notices and RW withdrawals from EDGAR, with the filer's listing status.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | – |
| form | string | – | e.g. S-1,F-1 or 424B4 |
| new | boolean | – | Only filers not yet on the ticker list |
No output schema declared.
No examples provided.
large_holders Schedule 13D and 13G holders ~105
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.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | – |
| form | string | – | – |
| sort | string | – | – |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
macro_series US macro series ~56
US Treasury yield curve points, curve spreads and stablecoin supply as daily series. Filter by series name and date range.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD |
| series | string | – | – |
| to | string | – | – |
No output schema declared.
No examples provided.
planned_insider_sales SEC Form 144 notices of proposed sale ~80
Form 144 notices: an affiliate's planned sale of restricted or control stock (seller, shares, approximate market value, planned date), filed before the trade.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | – |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
policy_rates Central bank policy rates ~54
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).
| Name | Type | Req | Description |
|---|---|---|---|
| country | string | – | – |
No output schema declared.
No examples provided.
private_placements SEC Form D private placements ~83
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.
| Name | Type | Req | Description |
|---|---|---|---|
| cik | string | – | – |
| days | integer | – | – |
| funds | boolean | – | Include pooled investment funds |
| sort | string | – | – |
No output schema declared.
No examples provided.
short_interest FINRA short interest ~101
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.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | Rows to return (default 24) |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
short_volume FINRA daily short sale volume ~141
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.
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | – | Newest days of history for a symbol (default 60) |
| from | string | – | YYYY-MM-DD |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
| to | string | – | YYYY-MM-DD |
No output schema declared.
No examples provided.
threshold_list Regulation SHO threshold securities ~115
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.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | YYYY-MM-DD |
| limit | integer | – | – |
| market | string | – | – |
| symbol | string | – | US ticker symbol, e.g. GME. Class shares as on the SEC list, e.g. BRK-B. |
No output schema declared.
No examples provided.
treasury_auctions US Treasury auctions ~135
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.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | YYYY-MM-DD |
| limit | integer | – | – |
| term | string | – | One term, e.g. 10-Year |
| to | string | – | YYYY-MM-DD |
| type | string | – | – |
| upcoming | boolean | – | – |
No output schema declared.
No examples provided.
What is the XOOMAR market data MCP server?
XOOMAR market data is an MCP server listed in the public MCP registry as com.xoomar/xoomar-mcp. Free US market data as tools: SEC filings, insiders, short interest, 13F, COT, Fed liquidity. This page covers its npm package (xoomar-mcp).
Is the XOOMAR market data MCP server safe to use?
XOOMAR market data scores 72 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 25 September 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the XOOMAR market data MCP server expose?
XOOMAR market data exposes 26 tools: short_interest, short_volume, fails_to_deliver, insider_trades, insider_clusters, and 21 more. Their descriptions and schemas cost roughly 2,583 tokens of context every time the server is loaded.
Is the XOOMAR market data MCP server still maintained?
XOOMAR market data is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What licence is the XOOMAR market data MCP server under?
XOOMAR market data declares the Apache-2.0 licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.