MCP Servers / database / Polygon.io

Polygon.io

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stdionone341database

Access real-time and historical financial market data from Polygon.io's API.

Install
How to run this server
[ { "cmd": "npx @modelcontextprotocol/inspector", "imports": [] } ]
server path: polygon-io
Tools
What this server exposes
search_endpoints
Search for API endpoints and built-in functions by natural language query. Returns titles, path patterns, and descriptions. Set `detail` to `"more"` for query parameter docs, or `"verbose"` for full documentation. Use `max_results` to limit results.
call_api
Call any Massive.com REST API endpoint. Supports storing results as an in-memory database table (`store_as`) and applying post-processing functions (`apply`). Paginated responses include a next-page hint.
query_data
Run SQL against stored SQLite DB. Supports `SHOW TABLES`, `DESCRIBE <table>`, `DROP TABLE <table>`, CTEs, window functions, and more. Results can also be post-processed with `apply`.
Configuration
Environment & auth
authnone
envMASSIVE_API_KEY
envPOLYGON_API_KEY
envMASSIVE_API_BASE_URL
envMASSIVE_LLMS_TXT_URL
Resources
Polygon.io — MCP Server · libregistry