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Polygon MCP

by · github.com/atomcp-ai/polygon-mcp

Claude Polygon.io MCP

Unclaimed last commit 10 months ago devtools
InstallView source
41Fair

Scored 15 days ago · breakdown

About Polygon MCP

Polygon MCP is an MCP server published by atomcp-ai in the Developer Tools category: claude Polygon.io MCP.

The repository has 3 stars and 0 forks, with the last commit 10 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/atomcp-ai/polygon-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 7 days ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • !License declaredNo license file. Legally you have no right to use it in a product.
  • !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

Releases

v0.1.0v0.1.0 · 25 Dec 2025

README

Polygon.io MCP Server

MCP server wrapping the Polygon.io Python SDK for stocks, options, forex, and crypto market data.

Installation

cd polygon_mcp
uv pip install -e .

Configuration

Set your Polygon.io API key as an environment variable:

export POLYGON_API_KEY="your_api_key_here"

Usage

Run directly

uv run polygon-mcp

MCP Configuration

Add to your MCP config (e.g., ~/.kiro/settings/mcp.json):

{
  "mcpServers": {
    "polygon": {
      "command": "uv",
      "args": ["--directory", "/path/to/polygon_mcp", "run", "polygon-mcp"],
      "env": {
        "POLYGON_API_KEY": "your_api_key_here"
      }
    }
  }
}

Available Tools

Stocks

  • stocks_get_sma - Simple Moving Average
  • stocks_get_ema - Exponential Moving Average
  • stocks_get_rsi - Relative Strength Index
  • stocks_get_macd - MACD
  • stocks_get_trades - Trades for a date
  • stocks_get_trades_v3 - Trades v3 API
  • stocks_get_quotes - Quotes for a date
  • stocks_get_quotes_v3 - NBBO quotes v3
  • stocks_get_last_trade - Most recent trade
  • stocks_get_last_quote - Most recent quote
  • stocks_get_daily_open_close - Daily OHLCV
  • stocks_get_aggregate_bars - Candles/bars
  • stocks_get_grouped_daily_bars - Market-wide daily bars
  • stocks_get_previous_close - Previous day OHLCV
  • stocks_get_snapshot - Current snapshot
  • stocks_get_snapshot_all - All snapshots
  • stocks_get_current_price - Current price
  • stocks_get_gainers_and_losers - Top movers

Options

  • options_get_sma/ema/rsi/macd - Technical indicators
  • options_get_trades - Option trades
  • options_get_quotes - Option quotes
  • options_get_last_trade - Most recent trade
  • options_get_daily_open_close - Daily OHLCV
  • options_get_aggregate_bars - Candles/bars
  • options_get_previous_close - Previous day OHLC
  • options_get_snapshot - Option snapshot
  • options_build_symbol - Build option symbol
  • options_parse_symbol - Parse option symbol

Forex

  • forex_get_sma/ema/rsi/macd - Technical indicators
  • forex_real_time_conversion - Currency conversion
  • forex_get_historic_ticks - Historic ticks
  • forex_get_quotes - NBBO quotes
  • forex_get_last_quote - Last quote
  • forex_get_aggregate_bars - Candles/bars
  • forex_get_grouped_daily_bars - Market-wide daily
  • forex_get_previous_close - Previous day OHLC
  • forex_get_gainers_and_losers - Top movers

Crypto

  • crypto_get_sma/ema/rsi/macd - Technical indicators
  • crypto_get_historic_trades - Historic trades
  • crypto_get_trades - Trades in time range
  • crypto_get_last_trade - Last trade
  • crypto_get_daily_open_close - Daily open/close
  • crypto_get_aggregate_bars - Candles/bars
  • crypto_get_grouped_daily_bars - Market-wide daily
  • crypto_get_previous_close - Previous day OHLC
  • crypto_get_snapshot_all - All snapshots
  • crypto_get_snapshot - Single snapshot
  • crypto_get_gainers_and_losers - Top movers
  • crypto_get_level2_book - Order book

Reference

  • reference_get_tickers - Query tickers
  • reference_get_ticker_types - Ticker type mappings
  • reference_get_ticker_details - Ticker details
  • reference_get_option_contract - Option contract info
  • reference_get_option_contracts - List option contracts
  • reference_get_ticker_news - News articles
  • reference_get_stock_dividends - Dividend history
  • reference_get_stock_financials - SEC financials
  • reference_get_stock_splits - Split history
  • reference_get_market_holidays - Market holidays
  • reference_get_market_status - Market status
  • reference_get_conditions - Polygon conditions
  • reference_get_exchanges - Exchange list

README fetched from the repository 7 days ago. The original is authoritative.

Questions

About Polygon MCP

How do I install Polygon MCP?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Polygon MCP safe to use with an AI agent?

Its trust score is 41 out of 100 (fair). It passes 3 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Polygon MCP still maintained?

The last commit was 10 months ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.