nexqual

US stock data for AI agents: live quotes, Wall Street analyst consensus, superinvestor 13F portfolios (Buffett, Ackman, Tepper…), insider open-market buys…

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What it can do

  • Get Stock Quote: Latest quote for one or more US stocks: price, change and % change, open, day range, previous close, volume, 52-week high/low (and distance from each) and market capitalization. Up to
  • Get Analyst Consensus: Wall Street analyst consensus for a US stock: consensus rating, number of analysts, mean/median/high/low 12-month price targets with implied upside or downside from the current
  • Get Superinvestor Holders: Which tracked superinvestors (e.g. Warren Buffett/Berkshire Hathaway, Bill Ackman/Pershing Square, David Tepper/Appaloosa, Seth Klarman/Baupost) hold a US stock, according t

What data it sees

Do you need an account

No: the server works without sign-in

US stock data for AI agents: live quotes, Wall Street analyst consensus, superinvestor 13F portfolios (Buffett, Ackman, Tepper…), insider open-market buys (Form 4), earnings results from 8-K filings, and 10-K company profiles. Free, no API key. Every result includes a source link for citation.

How to connect

How to connect nexqual to Claude

The server address to paste into Claude settings:

https://nexqual--ertugrulkaymaz.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect nexqual to ChatGPT

The server address to paste into ChatGPT settings:

https://nexqual--ertugrulkaymaz.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect nexqual to Cursor

The server address to paste into Cursor settings:

https://nexqual--ertugrulkaymaz.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (9)

Raw names from tools/list. Only developers need these.

get_stock_quoteLatest quote for one or more US stocks: price, change and % change, open, day range, previous close, volume, 52-week high/low (and distance from each) and market capitalization. Up to 10 tickers per call.
get_analyst_consensusWall Street analyst consensus for a US stock: consensus rating, number of analysts, mean/median/high/low 12-month price targets with implied upside or downside from the current price, and the strong buy / buy / hold / sell / strong sell breakdown over the last 4 months.
get_superinvestor_holdersWhich tracked superinvestors (e.g. Warren Buffett/Berkshire Hathaway, Bill Ackman/Pershing Square, David Tepper/Appaloosa, Seth Klarman/Baupost) hold a US stock, according to their latest SEC 13F-HR filings. Returns portfolio weight, rank, share count, reported value and the change versus the prior quarter for each holder.
get_superinvestor_portfolioLatest SEC 13F-HR portfolio of a tracked superinvestor or fund: holdings ranked by portfolio weight, share counts, reported values and quarter-over-quarter changes (new positions, adds, reductions). Accepts an investor name ("Warren Buffett"), fund name ("Pershing Square") or Nexqual slug ("bill-ackman").
list_superinvestorsList the superinvestors and funds Nexqual tracks through SEC 13F-HR filings, with reported 13F portfolio value, number of positions, filing period and top holdings. Use it to discover valid names for get_superinvestor_portfolio.
get_superinvestor_consensusAggregate view across all tracked superinvestors from their latest 13F-HR filings. view="most_held": stocks held by the most superinvestors; "most_bought": stocks the most superinvestors bought or added to last quarter; "new_positions": stocks the most superinvestors opened as brand-new positions; "most_sold": stocks the most superinvestors reduced (full exits are not included).
get_insider_buysRecent open-market insider purchases (SEC Form 4, transaction code P) by executives, directors and 10% owners at US companies with a market value of about $1B or more and a purchase of $250K or more. Private placements, IPO allocations, DRIP and ESPP purchases are excluded. Filter by ticker, look-back window, minimum size or executives only. Flags cluster buying (several insiders buying the same stock within 14 days).
get_earnings_resultsQuarterly results (EPS and revenue as reported, plus a guidance note when stated) that Nexqual captured from companies' SEC 8-K filings and earnings press releases the moment they were published. Each figure was confirmed by two independent extraction methods. Covers US companies of roughly $10B+ market value from late September 2026 onward. Reported actuals only: no analyst estimates.
get_company_profileCompany profile for a US stock: sector, industry, headquarters, CEO, website and market cap; business strengths, strategy and partnership notes quoted from the latest SEC 10-K annual report (with filing link); and Nexqual's financial-health score (0-10) across growth, profitability, balance sheet, cash flow and efficiency.