AlphaVantage
By thumbsupordown
Alpha Vantage's official MCP server exposes its market-data API as tools, giving an assistant real-time and historical stock quotes, company fundamentals, cryptocurrency exchange rates and historical options chains. The Alpha Vantage functions map directly onto MCP tools, so clients discover them with tools/list and call them with tools/call rather than working through a wrapper layer. A free API key is enough to start, and it is documented for Claude, Claude Code, Cursor and VS Code.