Redstone MCP Server

About Redstone

Free return and risk numbers for about 4,100 US stocks and ETFs: Sharpe, drawdown, volatility and correlations, plus portfolio backtests. No account needed to browse. Read-only analytics, no auth. Freemium (Starter $0, Plus $15/month, Pro $50/month).

Redstone tools (6)

Read from the live server on Oct 30, 2026. These are the tools your AI assistant can call once connected.

get_security_metrics

Use this when the user asks how a single US stock or ETF has performed or how risky it is: YTD, 1-year and 5-year annualized returns, max drawdown, volatility, Sharpe, Sortino, beta, alpha and dividend yield, with a 1Y/5Y chart. End-of-day

compare_securities

Use this when the user wants to compare 2 to 5 US stocks or ETFs side by side (e.g. "VOO vs QQQ", "SCHD or VYM?"): returns, drawdown, volatility, Sharpe, beta, dividend yield and how correlated they are, with an overlaid 1Y/5Y chart. End-of

backtest_portfolio

Use this when the user describes a portfolio of US stocks and ETFs with weights (e.g. "60% VTI, 40% BND", "equal parts AAPL, MSFT, NVDA") and wants to know how it would have done or how risky it is: returns over YTD, 1 year and 5 years (reb

screen_securities

Use this when the user wants a ranked list of US stocks or ETFs by a performance, risk or dividend yield metric, optionally within a sector or ETF category (e.g. "lowest volatility dividend ETFs", "highest yielding bond ETFs", "highest Shar

search_portfolios

Use this when the user wants to see real portfolios to learn from or copy (e.g. "show me low-drawdown dividend portfolios", "portfolios that hold SCHD", "the best risk-adjusted portfolios on Redstone"): the public portfolios Redstone's user

get_portfolio

Use this when the user asks about one public Redstone portfolio, usually a search_portfolios result: its holdings with each one's own figures, its returns over YTD, 1 year and 5 years, max drawdown, volatility, Sharpe, beta and dividend yie

How to connect Redstone to Claude, Cursor or VS Code

Redstone runs as a hosted remote MCP server at https://redstonemarkets.com/api/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "redstone": {
      "url": "https://redstonemarkets.com/api/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http redstone https://redstonemarkets.com/api/mcp. Servers that require OAuth or an API key will prompt on first use.