Massive.com MCP Server (formerly Polygon.io)
Market data API reachable through search, call and SQL query tools.
Add it to your client
Officialuv tool install "mcp_massive @ git+https://github.com/massive-com/mcp_massive"
- Transport
- stdio
- Runtime
- Python
- Auth
- Required
- Tools
- 3
- License
- MIT
Polygon.io now trades as Massive.com, and this is the same market data server under the new name. Instead of one tool per endpoint it exposes three composable ones: search the API index, call any REST endpoint, then run SQL over results kept in an in-memory SQLite table. Coverage includes stock, option, forex, crypto and futures aggregates, trades and quotes, fundamentals, dividends, splits and treasury data. Built-in functions add Black-Scholes greeks, moving averages and return or ratio calculations on top of query output.
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