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Not for live brokerage accounts, trading or allocation advice.","inputSchema":{"type":"object","properties":{"positions":{"minItems":2,"maxItems":20,"type":"array","items":{"type":"object","properties":{"ticker":{"type":"string","minLength":1,"maxLength":12,"description":"US ticker symbol, e.g. AAPL, VOO or BRK.B"},"weight":{"type":"number","exclusiveMinimum":0,"description":"Relative weight, e.g. 60 for 60%. 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End-of-day data for US large and mid caps, major foreign stocks and US ETFs. Not for intraday quotes or recommendations on what to buy.","inputSchema":{"type":"object","properties":{"tickers":{"minItems":2,"maxItems":5,"type":"array","items":{"type":"string","minLength":1,"maxLength":12,"description":"US ticker symbol, e.g. AAPL, VOO or BRK.B"},"description":"Tickers to compare, in the order the user named them"}},"required":["tickers"],"$schema":"https://json-schema.org/draft/2020-12/schema"},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false},"definitionHash":"49975bf2f898e86c803488e5fa8d39ab727febbdd6e01a545268f266d1f17e28","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-30T08:46:22.517Z","metadataTrust":"untrusted"},{"serverName":"com.redstonemarkets/redstone","endpointFingerprint":"d6012c03f9a698dcdb13d3a8897016fafea9c1c6d0fb2570e058d1e7c59be52e","name":"get_portfolio","title":"Get a shared or model portfolio","description":"Use this when the user asks about one public Redstone portfolio, usually a search_portfolios result: its holdings with each one's own figures, its returns over YTD, 1 year and 5 years, max drawdown, volatility, Sharpe, beta and dividend yield, charted against SPY. Not for a portfolio the user describes (use backtest_portfolio) or private portfolios.","inputSchema":{"type":"object","properties":{"portfolio":{"type":"string","minLength":1,"maxLength":300,"description":"The portfolio's Redstone url, as search_portfolios returns it"}},"required":["portfolio"],"$schema":"https://json-schema.org/draft/2020-12/schema"},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false},"definitionHash":"dde94bd15a46f42b06ffbaa0beeab3da60beaeaea933492747ebd92731d04fba","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-30T08:46:22.517Z","metadataTrust":"untrusted"},{"serverName":"com.redstonemarkets/redstone","endpointFingerprint":"d6012c03f9a698dcdb13d3a8897016fafea9c1c6d0fb2570e058d1e7c59be52e","name":"get_security_metrics","title":"Get stock or ETF performance and risk","description":"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 data for US large and mid caps, major foreign stocks and US ETFs. Not for intraday quotes, news, earnings, fundamentals or price targets.","inputSchema":{"type":"object","properties":{"ticker":{"type":"string","minLength":1,"maxLength":12,"description":"US ticker symbol, e.g. AAPL, VOO or BRK.B"}},"required":["ticker"],"$schema":"https://json-schema.org/draft/2020-12/schema"},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false},"definitionHash":"06d692c477ee3bb7fc46615f2e50a50cc70af06312c7a370c1568fd1f2687e00","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-30T08:46:22.517Z","metadataTrust":"untrusted"},{"serverName":"com.redstonemarkets/redstone","endpointFingerprint":"d6012c03f9a698dcdb13d3a8897016fafea9c1c6d0fb2570e058d1e7c59be52e","name":"screen_securities","title":"Screen stocks and ETFs by performance and risk","description":"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 Sharpe tech stocks this year\", \"energy stocks with the smallest drawdown\"). Covers about 2,900 US-listed stocks and about 1,200 US ETFs, end-of-day. Not for fundamentals (P/E, revenue), news or buy recommendations.","inputSchema":{"type":"object","properties":{"type":{"default":"all","description":"Limit to stocks, ETFs, or both","type":"string","enum":["stock","etf","all"]},"sector":{"description":"Case-insensitive match on a stock's GICS sector (e.g. Information Technology, Health Care, Energy, Financials) or an ETF's category (e.g. Dividend, Bonds, Treasury, Large Cap Growth, Emerging Markets, Gold)","type":"string","maxLength":40},"sortBy":{"default":"return1yPct","description":"Metric to rank by. 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Describe the kind of portfolio with the figure filters where one fits; nameIncludes only matches names, so keep it for themes no figure captures, such as \"AI\". Up to 10 results. 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