Market Data MCP puts the full power of MarketXLS inside Claude and ChatGPT.
Market Data MCP gives Claude and ChatGPT 1,000+ financial functions, screening, options analytics and your portfolio, grounded in licensed real-time data. The same engine professionals have trusted in Excel since 2017. Subscribe and connect in 60 seconds.
It comes with MarketXLS, no separate purchase. See plans here.
ChatGPT
Claude
Gemini
Cursor+ any MCP client
Your AI can find a number. Can you trust it?
A scraped price has no source, no license, and no guarantee it's current. You can't put it in a client report or behind a trade. MarketXLS grounds your AI in data you can stand behind.
| What matters | A web scrape | MarketXLS data |
|---|---|---|
| Where the number comes from | Some webpage it happened to find | ✓A licensed consolidated feed (QuoteMedia) |
| Real-time option chains | Partial, stale, or missing | ✓Full chains, every strike, live Greeks |
| How current it is | Whenever that page last updated | ✓Real-time on Advanced & Business |
| Consistency | Changes from query to query | ✓The same feed as your Excel, every time |
| Can you stand behind it? | Not really | ✓Yes. Audit-grade, licensed data |
Refining our market-data pipelines since 2017
Of professionals rely on MarketXLS data every day
QuoteMedia consolidated feed, never a scrape
Built for investment professionals and pro options traders.
Options is the spearhead. Behind it, your AI gets the full market-data layer your desk already relies on: quotes, fundamentals, screening, and your own portfolio.
Trade options with a real chain
Ask about any options trade and get the live chain back: every strike, Greeks, IV and open interest. Licensed and real-time, so you can actually act on it.
- ✓Full real-time chains
- ✓Per-strike Greeks & IV
- ✓Open-interest shifts
Price your book by just asking
Connect your MarketXLS portfolio and value it at the current tick. See what moved today and attribute returns year-to-date, in plain language.
- ✓Live NAV & P&L
- ✓Winners / losers
- ✓YTD attribution
Screen the whole market in chat
Run a screen across the full US equity universe on licensed fundamentals, and get a clean table back you can drop straight into your model.
- ✓5,000+ names
- ✓Trailing + forward data
- ✓Model-ready output
The kinds of questions your AI can answer with real data.
Click one. See what gets pulled and what comes back.
The thing your AI cannot get on its own. Pulls the full chain with per-strike Greeks, implied vol, and the 1-day open-interest shift, straight from the live feed.
| Strike | Bid | Ask | IV | Delta | OI Δ 1D |
|---|---|---|---|---|---|
| 230 C | 9.85 | 9.95 | 58.2% | 0.61 | +2,140 |
| 240 C | 6.40 | 6.55 | 60.1% | 0.52 | +8,420 |
| 250 C | 4.15 | 4.28 | 62.3% | 0.43 | +14,680 |
| 260 C | 2.62 | 2.72 | 64.8% | 0.34 | +3,110 |
You don't buy this separately. It comes with MarketXLS.
Subscribe to a MarketXLS plan and connect your AI, and that's the whole deal. Trading options? You need real-time, so pick Advanced.
Standard
For exploring and research. Billed annually.
- ✓Delayed quotes & option chains
- ✓Full fundamentals & screening
- ✓Works with any AI client
Advanced
★ Most popularFor active options traders. Billed annually.
- ✓Real-time quotes & option chains
- ✓Live Greeks, IV & open interest
- ✓Full fundamentals & screening
- ✓Works with any AI client
Business
For firms and commercial use. Billed annually.
- ✓Everything in Advanced
- ✓Commercial-use rights
- ✓Priority support
All plans include the AI connection. Real-time options data requires Advanced or Business.
Three steps. Sixty seconds. Done.
Paste the endpoint
Open your AI’s connector settings and add our URL.
connect.mcp.marketxls.com/mcpSign in once
Your MarketXLS account. OAuth handles it, no API keys to juggle.
✓ Authorized · scoped to your seatAsk anything
Your AI figures out what to call. You just talk.
"Pull the live AAPL call chain."Questions you're actually asking.
Can ChatGPT or Claude get real-time options data?+
On their own, no. A general AI can web-search a stock price, but it cannot pull a complete, real-time option chain as structured data. Once you connect MarketXLS, it can: full chains, live Greeks, implied vol, and open interest, on demand.
Is the data real-time or delayed?+
Depends on your plan. Advanced and Business serve real-time quotes and options data. Standard serves delayed data, fine for research, not for active options trading.
Which AI apps does this work with?+
Any MCP client. Claude (desktop & web), ChatGPT, Cursor, Windsurf, and the rest. One endpoint URL, paste it once, and you are connected.
Where does the market data come from?+
Licensed consolidated feeds from QuoteMedia, the same data behind the MarketXLS Excel product that professionals have trusted since 2017. Not a scrape.
Do I need a MarketXLS subscription?+
Yes. This is included with a MarketXLS plan, so there is no separate product to buy. Pick Standard, Advanced, or Business, and the AI connection is part of it.
Can my AI place trades through it?+
No. It reads market data only. It does not execute orders. Execution sits behind different licenses.
Give your AI numbers you can stand behind.
Licensed, real-time option chains, quotes, fundamentals and your portfolio, grounded in the data hundreds of professionals trust every day.