MCP For Claude Marketplace
Polygon.io

Polygon.io MCP Connector for Claude

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Access real-time and historical financial data for stocks, crypto, forex, and indices directly within your AI agent.

21 tools Official Updated Jun 30, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect your Polygon.io account to any AI agent to retrieve institutional-grade market data through simple conversation. Monitor market movements, analyze historical trends, and stay updated with financial news.

What you can do

  • Market Exploration — Search for ticker symbols across stocks, crypto, and forex markets with detailed filtering by exchange or asset class.
  • Historical Analysis — Fetch aggregated OHLC (Open, High, Low, Close) and volume data for any supported ticker over custom timeframes.
  • Real-time Snapshots — Get comprehensive snapshots of the entire U.S. stock market or specific indices to gauge current sentiment.
  • Technical Indicators — Calculate Simple Moving Averages (SMA) and other metrics to inform trading strategies.
  • Market Intelligence — Access tick-level trades, NBBO quotes, dividend history, and the latest financial news for any company.

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?

  • Traders & Investors — Quickly pull historical bars and market status without switching to a terminal or web dashboard.
  • Financial Analysts — Automate the retrieval of dividends, splits, and treasury yields for research reports.
  • Developers — Test market data queries and inspect ticker types directly from your coding environment.
stock-marketcrypto-tradingfinancial-datamarket-analysisforex-data

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

get_merchant_aggregates

Retrieve aggregated European consumer spending data

list_futures_contracts

Discover listed futures contracts and specifications

list_options_contracts

Retrieve an index of options contracts (active and expired)

list_ticker_types

Retrieve a list of all ticker types supported

list_tickers

Retrieve a comprehensive list of ticker symbols across asset classes

get_crypto_trades

Retrieve tick-level trade data for crypto pairs

get_custom_bars

Retrieve aggregated historical OHLC and volume data for a stock

get_dividends

Retrieve historical dividends for stocks

get_forex_conversion

Retrieve real-time currency conversion rates

get_indices_snapshot

Retrieve snapshot data for one or more indices

get_market_holidays

List future holidays affecting market hours

get_market_snapshot

Retrieve a comprehensive snapshot of the entire U.S. stock market

get_market_status

Check if markets are open, closed, or in pre/post-market sessions

get_news

Retrieve real-time structured news articles from Benzinga

get_options_snapshot

Retrieve a snapshot of all options contracts for an underlying ticker

get_quotes

Retrieve National Best Bid and Offer (NBBO) quotes for a stock

get_sma

Retrieve Simple Moving Average (SMA) technical indicator

get_splits

Retrieve historical stock splits

get_trades

Retrieve tick-level trade data for a specified stock

get_treasury_yields

Retrieve historical U.S. Treasury yield data (1-month to 30-year)

list_exchanges

Retrieve a list of known exchanges and their identifiers

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

List all active stock tickers on the NASDAQ exchange.

I've retrieved the active tickers for NASDAQ. There are several thousand results; some notable ones include AAPL (Apple Inc.), MSFT (Microsoft Corp.), and AMZN (Amazon.com Inc.). Would you like to filter this list further or inspect a specific ticker?

Get daily historical bars for TSLA from 2024-01-01 to 2024-02-01.

I have the historical data for TSLA. During this period, the price opened at $248.42 on Jan 2nd and closed at $188.86 on Feb 1st. The highest volume was recorded on Jan 25th. Would you like a summary of the average closing price?

What is the current market status and are there any upcoming holidays?

The U.S. stock market is currently 'open'. Forex and Crypto markets are also active. Regarding holidays, the next market closure is for Presidents' Day on February 19th. Is there anything else you'd like to check?

You can use the `get_custom_bars` tool. Provide the ticker 'AAPL', a multiplier (e.g., '1'), a timespan (e.g., 'day'), and the date range ('from' and 'to') to receive detailed OHLC and volume data.

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