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All Axion MCP Server tools require a valid API key. Include your key in the server configuration before using any tool.
The ETF tools let you dig into exchange-traded fund data. You can retrieve fund-level information including ratings and key metrics, get a breakdown of an ETF’s top holdings with weights and market values, and find all ETFs that hold exposure to a specific underlying stock.

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etf_fund

Get fund-level information for an ETF, including performance ratings, expense ratios, assets under management, and other key metrics.
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string
required
The ETF ticker symbol. For example, SPY for the SPDR S&P 500 ETF.
Example query: “What are the key metrics and ratings for SPY?” When to use: Use this tool when you need an overview of an ETF’s characteristics — expense ratio, AUM, category ratings, or risk metrics — before deciding whether to include it in an analysis.

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etf_holdings

Get the top holdings of an ETF, including each holding’s weight in the fund, number of shares held, and market value.
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string
required
The ETF ticker symbol. For example, SPY for the SPDR S&P 500 ETF.
Example query: “What are the top holdings of QQQ and their weights?” When to use: Use this tool when you need to understand what a fund owns — for portfolio overlap analysis, sector concentration checks, or due diligence on ETF composition.

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etf_exposure

Find all ETFs that hold a specific stock, showing each fund’s exposure to that ticker.
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string
required
The stock ticker symbol to search for. For example, AAPL to find all ETFs that hold Apple Inc.
Example query: “Which ETFs hold NVDA in their portfolios?” When to use: Use this tool when you want to identify ETF-level exposure to a specific company — useful for understanding how widely held a stock is across passive vehicles or for building ETF-based positions around a single name.