MCP For Claude Marketplace
Polygon.io

Polygon.io MCP Connector for Claude

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Access real-time and historical stock market data, including trades, quotes, aggregates, and company metadata directly via AI.

6 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect your Polygon.io account to any AI agent to retrieve institutional-grade financial data through natural language. Monitor market trends, analyze historical performance, and inspect company fundamentals without leaving your chat interface.

What you can do

  • Market Aggregates — Fetch OHLCV (Open, High, Low, Close, Volume) bars for any ticker over custom timeframes (minute, hour, day)
  • Real-Time & Historical Trades — Access tick-by-tick trade data to analyze precise market movements and execution prices
  • Company Fundamentals — Retrieve detailed metadata for stock tickers, including industry classifications and company descriptions
  • Dividend Tracking — List historical cash dividend distributions, frequencies, and ex-dividend dates for specific assets
  • Ticker Discovery — Query the full list of supported tickers and financial instruments available on the platform

How it works

  1. Subscribe to this server
  2. Enter your Polygon.io API Key
  3. Start querying financial markets from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Financial Analysts — quickly pull historical aggregates and dividend data for modeling and reporting
  • Traders & Quants — inspect tick-by-tick trades and quotes (NBBO) to validate strategies directly from the terminal
  • Fintech Developers — verify ticker metadata and market connectivity while building financial applications
stock-markettrading-datafinancial-analysisreal-time-dataticker-search

6 tools expose this connector's capabilities to your AI agent.

get_aggregates

Get aggregate bars for a stock

get_company

Get company details for a ticker

list_dividends

List historical dividends

list_quotes

Get tick-by-tick quotes (NBBO)

list_tickers

io. Query all supported tickers

list_trades

Get tick-by-tick trades

See how to talk to your AI agent using Polygon.io.

Get company details and industry for ticker NVDA.

I've retrieved the details for NVIDIA Corp (NVDA). They operate in the Semiconductors & Related Devices industry. Their primary business involves designing graphics processing units (GPUs) for the gaming and professional markets.

Show me the historical dividends for MSFT.

Fetching dividend history for Microsoft (MSFT)... I found a consistent record of quarterly cash dividends. The most recent distribution was $0.75 per share with an ex-dividend date of February 14, 2024.

Get daily aggregate bars for TSLA from 2024-01-01 to 2024-01-10.

I've compiled the daily aggregates for Tesla (TSLA) for that period. On Jan 2nd, it opened at $250.08 and closed at $248.42 with a volume of 104M. Would you like the full breakdown for the remaining days?

Yes. Use the `get_aggregates` tool by providing the ticker, multiplier, timespan (e.g., 'day'), and the 'from' and 'to' dates. The agent will return the OHLCV bars for that period.

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