Markets and investing
Resources for stock and market research.
They cover market data, brokers and trading, company fundamentals and filings, prediction markets and portfolio analysis.
Crypto markets have their own category.
Listings are what publishers declare in their ARD catalogs and the registries StealthStack reads. The category and summaries are our reading of each listing. Each listing links to its own page with the publisher's endpoint.
- A2A AGENTSEC Filing Proof Checks whether SEC 10-Q/10-K and XBRL filings support a financial claim.
- APIvorausgedacht.at – öffentliche Schnittstellen Keyless JSON API for live and historical precious metal prices since 2017.
- SKILLalpaca Zapier connector skill for Alpaca: place orders, read positions and portfolio history.
- MCP SERVERbalance-sheet Issuer balance-sheet history (cash, debt, liquidity) from SEC EDGAR XBRL facts.
- A2A AGENTAsia Pulse Korea and Japan market session and attention records matched to stocks.
- A2A AGENTFront of Goal Odds Agent Live soccer Polymarket odds, order-book depth, fixtures and price movers.
- A2A AGENTGitDealFlow Signal Agent Tracks startup engineering acceleration from GitHub data; free, no auth.
- MCP SERVERvc-deal-flow-signal GitHub momentum signals for VC deal flow; 12 tools, one metered.
- MCP SERVERTokenBel Financial Data MCP Belarusian securities data: tokens, shares, bonds and companies.
- MCP SERVERmarket-breadth US equity market breadth from four ETF-ratio proxies with a composite score.
- MCP SERVERGammaRips Options Intelligence Options-flow research data: curated candidate pool, features and outcome labels.
- MCP SERVERDirigon Private credit marks from BDC and interval fund SEC filings by borrower or ticker.
- MCP SERVERvorausgedacht.at – MCP-Server Precious metal prices in EUR, scrap-value calculator, book search and callback service.
- SKILLAdvanced Stock Prediction Analysis with Amazon Chronos Hugging Face Space that fetches stock data and forecasts prices with Amazon Chronos.
- API2s.io Predict 23 prediction-market endpoints: Polymarket, Kalshi, Limitless; x402 USDC.
- APISeiche Public REST API REST API for money markets, FX reference series and funding conditions.
- API2s.io Econ 10 economic data endpoints: FRED, commodities, COT, yield curve; x402 USDC.
- API2s.io Stocks 14 US stock endpoints: quotes, financials, earnings, insider data; x402 USDC.
- MCP SERVERAdvanced Stock Prediction Analysis with Amazon Chronos MCP Server MCP server for a Space that fetches stock data and forecasts with Amazon Chronos.
- MCP SERVEREventTrader MCP server (full profile) Prediction markets, AI index funds and CLOB exchange tools; trading needs OAuth.
- API2s.io Markets Stock-exchange holiday calendar and open/closed status; x402 USDC per call.
- MCP SERVERTideline End-of-day state of a rules-based SPY/QQQ index model; key for current state.
- SKILLcufolio Skill for building, backtesting and rebalancing stock portfolios with Mean-CVaR and cuOpt.
- A2A AGENTBit Monk US Stock Signal US stock market-timing agent scoring bottom/top verdicts for S&P 500 and ETFs.
- MCP SERVEREventTrader research MCP server (read-only) Read-only research on EventTrader funds, event cards and CLOB market data.
- SKILLportfolio-optimization Skill building and backtesting stock portfolios with Mean-CVaR and NVIDIA cuOpt.
- APIEventTrader REST API (OpenAPI) OpenAPI schema for EventTrader market data, funds, orders and withdrawals.
- SKILLYou Finance Skill routing finance questions to You.com Finance Research API or local scripts.
- A2A AGENTNEXUS — EventTrader A2A agent A2A assistant for EventTrader market questions, fund analytics and trade prep.
- CATALOGSeiche Funding-Stress Catalog Catalog of read-only tools for US dollar funding stress and money-market context.
- MCP SERVERMCP server card Server card for the TickTape MCP: 5 tools, prices and auth.
- APIOpenAPI 3.1 specification TickTape REST API: trade and copy-trade preflight, leaderboard, red list, credits.
- MCP SERVERRiptide Public Risk and Event Research Read-only tools for Riptide paper-portfolio risk records and event-market research.
- A2A AGENTTerminator2 Prediction market trading agent on Manifold with AI and policy forecasting.