Polygon-io MCP Server

{ "manifest_version": "0.4", "name": "mcp_massive", "display_name": "Massive Market Data", "version": "0.8.1", "description": "Stocks, options & indices market data via Massive.com financial data API. Access real-time and historical prices, quotes, trades, and aggregates for equities, options contracts, ETFs, FX, crypto, and more.", "author": { "name": "Massive", "email": "support@massive.com", "url": "https://massive.com" }, "repository": { "type": "git", "url": "https://github.com/massive-com/mcp_massive.git" }, "homepage": "https://massive.com", "support": "https://github.com/massive-com/mcp_massive/issues", "license": "MIT", "privacy_policies": [ "https://massive.com/legal/privacy" ], "icon": "assets/icon-massive-lightmode.png", "icons": [ { "src": "assets/icon-massive-lightmode.png", "size": "512x512", "theme": "light" }, { "src": "assets/icon-massive-darkmode.png", "size": "512x512", "theme": "dark" } ], "keywords": [ "finance", "market-data", "stocks", "forex", "crypto", "options", "futures", "trading", "api" ], "server": { "type": "uv", "entry_point": "entrypoint.py", "mcp_config": { "command": "uv", "args": ["run", "--directory", "${__dirname}", "mcp_massive"], "env": { "MASSIVE_API_KEY": "${user_config.MASSIVE_API_KEY}" } } }, "user_config": { "MASSIVE_API_KEY": { "type": "string", "title": "Massive API Key", "description": "Your Massive.com API key for accessing market data", "required": true, "sensitive": true } }, "compatibility": { "platforms": [ "darwin", "win32", "linux" ], "runtimes": { "python": ">=3.10" } }, "tools": [ { "name": "search_endpoints", "description": "Search for financial market data API endpoints by natural language query. Use this FIRST whenever you need stock prices, options data, trades, quotes, aggregates, crypto, forex, or any financial/market data. Returns matching endpoint names, URL patterns, and descriptions. Try keywords like: aggregates, tickers, trades, quotes, snapshots, financials, options, IPO, inflation, market status. Also searches local finance functions (Greeks, returns, technicals) that can be applied to results via the apply parameter. Set scope to 'endpoints' for API endpoints only, 'functions' for local functions only, or omit/set 'all' for both." }, { "name": "get_endpoint_docs", "description": "Get parameter documentation for a financial data API endpoint. Pass the docs URL from search_endpoints results. Returns the endpoint pattern and available query parameters." }, { "name": "call_api", "description": "Fetch financial market data (stock prices, options, trades, quotes, aggregates, crypto, forex). The path must match an endpoint pattern from search_endpoints (e.g., /v2/aggs/ticker/AAPL/range/1/day/2024-01-01/2024-01-31). Query parameters are passed as a dictionary via params. If the response is paginated, a 'Next page available' hint with the exact path and params for the next call_api request is appended to the output. Optionally set store_as to a table name (e.g., 'prices') to save the results as an in-memory table for later SQL querying with query_data, instead of returning CSV. Optionally set apply to a list of function steps to post-process results — each step is {'function': 'name', 'inputs': {'param': value}, 'output': 'col_name'}. String input values refer to column names; numeric values are literals. Use search_endpoints with scope='functions' to discover available functions." }, { "name": "query_data", "description": "Analyze financial market data using SQL. Queries DataFrames stored via call_api's store_as parameter. Uses SQLite SQL engine — supports standard SQL including scalar subqueries, CTEs, ILIKE, window functions, and complex expressions. Special commands: 'SHOW TABLES' lists stored tables, 'DESCRIBE <table>' shows table schema, 'DROP TABLE <table>' removes a table. Tables auto-expire after 1 hour. Optionally set apply to a list of function steps to post-process query results — each step is {'function': 'name', 'inputs': {'param': value}, 'output': 'col_name'}. Use search_endpoints with scope='functions' to discover available functions." } ] }