StockSlash: SEC 13F, Congress & Insider Trades
mcp.so:reambergmbh/stockslash
Score: 90/100
Handshake verified by our own probe.
How to earn +10 points
Tools · 28
Use when the user wants to browse, list, or filter the universe of tracked institutional investors (hedge funds, asset managers, family offices). Returns a compact card per fund with name, CIK, AUM, p…
Use when the user asks about a specific fund's total portfolio value (AUM). Returns the fund's latest reported portfolio value. Pass `investor` with a name or CIK — e.g. "Buffett", "Berkshire", or "00…
Use when the user wants to see how a fund's total AUM has changed over time. Returns quarterly portfolio values and quarter-over-quarter / annual percent returns. Useful for trend questions like "how …
Use when the user asks what a specific fund owns right now or at a past quarter. Returns every stock the fund holds with shares, value, percent_of_portfolio, recent activity label (Buy/Add/Reduce/Sold…
Use when the user asks what an investor BOUGHT or SOLD recently (or in a specific quarter) — "what did Buffett buy last quarter?", "did Burry sell anything?", "Ackman's new positions". Returns trade-l…
Use when the user asks about a fund's trading cadence or whether the manager is a buy-and-hold investor or active trader. Returns counts and dollar values of new positions, adds, reduces, and exits pe…
Use when the user asks who owns a specific stock — i.e. which tracked funds (hedge funds, famous investors) hold it and how big a bet it is for each. Returns a summary (funds_holding count, average an…
Use when the user asks which funds are buying or selling a specific stock. Returns each tracked fund's trade in the stock for a quarter (Buy = new position, Add, Reduce, Sold = exited) plus a `summary…
Use when the user asks how much of a specific stock the tracked super investors own. Returns, from each fund's latest 13F (during filing season `quarter_note` says how many are already on the new quar…
Use when the user asks about insider activity for a stock — Form 4 disclosures from company executives, directors, and large shareholders. Returns recent buys and sells with names, titles, share count…
Use when the user asks which stocks are most widely held by the tracked super investors — ranked by how many of the funds hold them (the 500 most-held stocks; not limited to the S&P 500 despite the to…
Use when the user asks what 13F filings just arrived. Returns the most recent submissions with fund name, filing date, and quarter. Useful for "what's new?" or "did Buffett file yet?" questions.
Returns the stocks bought by the most tracked funds in a given quarter, ranked by the count of funds buying or adding, with total dollar volume per stock. Use to answer 'which stocks did most institut…
Returns the stocks sold by the most tracked funds in a given quarter, ranked by the count of funds selling or trimming, with total dollar volume per stock. Use to answer 'which stocks did most institu…
Use when the user asks for an overall snapshot of what the tracked funds own and traded in the latest complete quarter. Sections: `ownership` = stocks some fund has put the largest share of its portfo…
Use when the user (or another tool) needs to know which 13F quarter is current. Returns `latest_quarter`: the latest quarter that (nearly) all tracked funds have reported — the one every ranking and s…
Overview of ONE famous investor or fund, for questions like "what does Warren Buffett own?", "Michael Burry's latest portfolio", "what is Bill Ackman doing?", "Berkshire Hathaway 13F", "how is Pabrai …
Overview of ONE stock and the big investors and insiders around it, for questions like "who owns NVDA?", "are hedge funds buying Tesla?", "is smart money in Apple?", "which famous investors hold Amazo…
Use when the user asks about SEVERAL stocks at once — "compare NVDA, AMD and INTC", "which of my stocks do hedge funds own?", "check my watchlist: AAPL, MSFT, GOOGL", "are insiders buying any of these…
Use when the user asks to compare two investors — "Buffett vs Pabrai", "Berkshire vs Pershing Square", "how does Burry differ from Ackman?". Returns side-by-side profiles (AUM, positions, style, turno…
Use when the user asks whether a company's executives, CEO or directors are buying or selling its stock, or about insider sentiment / aggregate insider activity for a stock — "are insiders bullish on …
Use when the user asks about stock trades by politicians — members of the U.S. Congress, senators, representatives — e.g. "what is Nancy Pelosi buying?", "did any senator buy NVDA?", "latest congress …
Use when the user asks which stocks insiders are buying — especially stocks the super investors already own ("where are insiders and smart money both buying?"). Returns stocks ranked by insider (Form …
Use when the user asks which stocks multiple members of Congress / politicians are buying — a consensus signal ("what are politicians buying?", "what are several congresspeople buying?"). Returns tick…
Use when the user asks whether the stock market is expensive or cheap, overvalued, in a bubble, or whether a recession is coming. Returns the two verdicts shown on stockslash.com/market: (1) pricing —…
Use when the user asks whether smart money, insiders or Congress are buying or selling right now, or about "investor sentiment" / "investor mood". Compares each group with ITS OWN past (stockslash.com…
Use when the user asks what insiders bought recently across the market ("latest insider buying", "which CEOs bought shares this week"). Returns recent open-market insider purchases (SEC Form 4, code P…
Use when the user asks which stocks the super investors keep adding to over time ("what are top funds accumulating", "stocks with growing fund ownership"). Same list as stockslash.com/stock/conviction…
How to use
Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://stockslash.com/mcp
Cursor or Cline: add to your MCP config:
{
"mcpServers": {
"stockslash:_sec_13f,_congress_\u0026_insider_trades": {
"url": "https://stockslash.com/mcp",
"transport": "http"
}
}
}