Query Fintel (fintel.io) institutional market intelligence via the REST API at https://api.fintel.io/v1 with FINTEL_API_KEY (X-API-KEY header), or the official MCP server at https://mcp.fintel.io/mcp. Read-only data: short interest, borrow rate/fee and shares available to borrow, daily short volume, fails-to-deliver (FTD), institutional ownership from SEC 13F filings, insider transactions from SEC Form 3/4/5, analyst price targets, ratings and forecasts, dividends and earnings history, earnings and dividend calendars, EOD price bars, last trade price, security master lookup by ticker/CUSIP/ISIN/FIGI, leaderboards, watchlists and alerts. Triggers: "fintel", "fintel.io", short interest, short squeeze data, borrow rate, cost to borrow, shares available to borrow, FTD, fails to deliver, short volume, 13F holders, institutional owners, who owns X, insider buying, insider selling, Form 4 transactions, analyst price target, days to cover, short interest ratio.