Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Market MCP Composer look up TSLA in the FinViz Elite screener"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
A read-only market-data MCP service for ChatGPT/Codex, deployed on Cloudflare Workers and protected by Cloudflare Access. The first production provider is FinViz Elite Screener data.
New deployment: QUICKSTART.md
No Cloudflare/Zero Trust setup yet: CLOUDFLARE.md
Connect or package for ChatGPT: CHATGPT.md and PLUGIN_UPLOAD.md
FinViz setup: FINVIZ.md
Related MCP server: Stock Market Data
ChatGPT / Codex
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Cloudflare Access
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Cloudflare Worker (/mcp)
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Provider adapter
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FinViz Elite Screener exportThe MCP server supplies authenticated live data. skills/ supplies reusable workflows that explain how to use the MCP tools consistently.
finviz_lookup_ticker({ ticker }) — production read-only lookup of a ticker in the configured FinViz Elite Screener CSV export.
yahoo_lookup_ticker({ ticker }) — experimental read-only quote snapshot using Yahoo Finance's chart endpoint. This endpoint is not a documented Yahoo developer API and may change or throttle without notice; keep the provider disabled unless you intentionally choose to use it. See YAHOO_FINANCE.md.
This repository contains no committed Cloudflare account or deployment instance values. Run npm run instance:init to create the Git-ignored config/instance.local.json; that file is the single source for non-secret per-account/per-deployment values. Secrets remain outside it. See CLOUDFLARE.md.
After configuring config/instance.local.json and the Cloudflare administrative token, run:
npm run validate:allThis validation path is read-only. It checks Cloudflare Access, Managed OAuth/DCR, OAuth discovery, and the protected MCP endpoint without deploying or repairing anything.
This server cannot be deployed
Research US-listed companies and funds with the StockPortfolio.pro MCP server. Tools cover SEC filing-grounded financials, filing timelines, company comparisons, watchlist screens, fund profiles, and cited filing questions. Filed figures include their fiscal period and EDGAR source URL; missing filing data is returned as null. Public tools work without authentication; optional API-key or OAuth access is supported. US-listed, USD-reporting companies only. Keyless access includes 3 free AI questions per rolling 30-day window. To get more now, choose the Dev plan ($19.99/month, 200 credits) at https://www.stockportfolio.pro/register?plan=dev, then follow https://www.stockportfolio.pro/docs/api-mcp to connect with OAuth or an API key. Or wait for the free allowance to renew.
Financial data MCP server for Claude, ChatGPT, Cursor and Codex. Real-time stock quotes, financial statements, options flow, SEC filings, insider trades, 13F holdings, macro data and market news from gloom.sh, the open-source Bloomberg Terminal alternative.
Real SEC, 13F, insider, congress & macro data your AI agent can cite. Hosted MCP, 24 tools.
The full TraderMatrix market-data connector for Claude, Cursor and any MCP client. 51 tools: scored and tiered unusual options activity, dealer gamma (GEX), Apex levels and gamma pockets, IV rank, sector flow, dark-pool net-notional rollups, market health and macro regime, gap-continuation and breakout signals, wheel and CSP screeners, a one-call ticker snapshot, and your own watchlists. Needs a TraderMatrix API key (OAuth sign-in works for Claude web and mobile). A free, no-key connector with the gapper scanner and Market Health tools is listed separately as TraderMatrix Free.
