Polygon.io Connector for AI agents.

21 live capabilities

Pull real-time stock quotes and crypto trade data directly into your chat.

Live agent request Polygon.io / Connector

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AI Agent

Why people use Polygon.io

Polygon.io Market Data for Faster Financial Research

This Connector changes that by bringing the data to you. Your AI client pulls the quotes, news, and historical bars into your active conversation. You get a clean summary of the market without the friction of manual data entry.

What Vinkius changes

You get instant, high-quality financial data inside your AI chat.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

Real-world use case 01

Checking market status and holidays

A trader wants to know if the market is open and what the next holiday is.
Real-world use case 02

Compiling dividend history

An analyst needs to know the dividend history for a stock.
Real-world use case 03

Verifying ticker types

A developer is building a capability and needs to know what ticker types are available.

Complete set · 21capabilities

The complete Polygon.io capability set.

These are the exact actions your AI can choose when you ask it to work with Polygon.io.

Capability set01 / 06

01—04

4 capabilities in this set.

Part of 21 available through Polygon.io.

01 Capability
Get dividends
Retrieve historical dividends for stocks. This is perfect for tracking payout history over several years.
02 Capability
Get forex conversion
Retrieve real-time currency conversion rates. Use this to quickly check exchange rates between different currencies.
03 Capability
Get indices snapshot
Retrieve snapshot data for one or more indices. This gives you a quick look at how major indices are performing.
04 Capability
Get market holidays
List future holidays affecting market hours. Use this to plan your trading schedule around closures.

Capability set02 / 06

05—08

4 capabilities in this set.

Part of 21 available through Polygon.io.

05 Capability
Get market snapshot
Retrieve a snapshot of the entire U.S. stock market. This helps you see the overall sentiment of the market at a glance.
06 Capability
Get market status
Check if markets are open, closed, or in pre-market sessions. Use this to confirm trading status before making a move.
07 Capability
Get news
Retrieve real-time structured news articles from Benzinga. This keeps you updated on the latest headlines for your favorite companies.
08 Capability
Get options snapshot
Retrieve a snapshot of all options contracts for an underlying ticker. This helps you see the entire options chain for a specific stock.

Capability set03 / 06

09—12

4 capabilities in this set.

Part of 21 available through Polygon.io.

09 Capability
Get quotes
Retrieve National Best Bid and Offer (NBBO) quotes for a stock. This provides the most accurate current pricing data.
10 Capability
Get sma
Retrieve Simple Moving Average (SMA) technical indicator. Use this to identify trends in price action over time.
11 Capability
Get splits
Retrieve historical stock splits. This is useful for adjusting your historical price data.
12 Capability
Get trades
Retrieve tick-level trade data for a specified stock. Use this to see every individual trade happening in the market.

Capability set04 / 06

13—15

3 capabilities in this set.

Part of 21 available through Polygon.io.

13 Capability
Get merchant aggregates
Retrieve aggregated European consumer spending data. Use this to see broader economic trends in the region.
14 Capability
List futures contracts
Discover listed futures contracts and specifications. It helps you identify available contracts for different assets.
15 Capability
List options contracts
Retrieve an index of options contracts. This is useful for seeing the full scope of options available for a ticker.

Capability set05 / 06

16—18

3 capabilities in this set.

Part of 21 available through Polygon.io.

16 Capability
List ticker types
Retrieve a list of all ticker types supported. It helps you understand what kinds of assets you can query.
17 Capability
List tickers
Retrieve a list of ticker symbols across asset classes. Use this to find the specific symbols you need for your analysis.
18 Capability
Get crypto trades
Retrieve tick-level trade data for crypto pairs. This provides the raw data needed for detailed crypto analysis.

Capability set06 / 06

19—21

3 capabilities in this set.

Part of 21 available through Polygon.io.

19 Capability
Get custom bars
Retrieve aggregated historical OHLC and volume data for a stock. Use this to build charts or analyze past price action.
20 Capability
Get treasury yields
Retrieve historical U.S. Treasury yield data. This helps you monitor the health of the bond market.
21 Capability
List exchanges
Retrieve a list of known exchanges and their identifiers. Use this to find the correct exchange code for different markets.

Set up in minutes

One URL. Then ask Polygon.io to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Polygon.io from the conversation.

Choose your client

Live preview

Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP

https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp

Step 01

Open Connectors

In Claude Web or Claude Desktop, open Settings and choose Connectors.
Step 02

Add the URL

Choose Add custom connector, name it Polygon.io, and paste the URL above.
Step 03

Turn it on in chat

Select +, open Connectors, and enable Polygon.io for the conversation.

ChatGPT · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP

https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp

Step 01

Open MCP settings

On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
Step 02

Add the URL

Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the Polygon.io URL.
Step 03

Save and start

Save the connection and enable Polygon.io in your conversation. Desktop may ask you to restart once.

Cursor · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "polygonio-alternative": {
      "url": "https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp"
    }
  }
}

Step 01

Open MCP Settings

Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
Step 02

Add the server config

Paste the JSON configuration above into the mcp.json file that opens
Step 03

Save the file

Cursor will automatically detect the new Connector
Step 04

Start using Polygon.io

Open Agent mode in chat and ask: "Using Polygon.io, help me...". 21 tools available

VS Code Copilot · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "polygonio-alternative": {
      "url": "https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp"
    }
  }
}

Step 01

Create MCP config

Create a .vscode/mcp.json file in your project root
Step 02

Add the server config

Paste the JSON configuration above
Step 03

Enable Agent mode

Open GitHub Copilot Chat and switch to Agent mode using the dropdown
Step 04

Start using Polygon.io

Ask Copilot: "Using Polygon.io, help me...". 21 tools available

Windsurf · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "polygonio-alternative": {
      "url": "https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp"
    }
  }
}

Step 01

Open MCP Settings

Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
Step 02

Add the server

Paste the JSON configuration above into mcp_config.json
Step 03

Save and reload

Windsurf will detect the new server automatically
Step 04

Start using Polygon.io

Open Cascade and ask: "Using Polygon.io, help me...". 21 tools available

Cline · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "polygonio-alternative": {
      "url": "https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp"
    }
  }
}

Step 01

Open Cline MCP Settings

Click the Connectors icon in the Cline sidebar panel
Step 02

Add remote server

Click "Add Connector" and paste the configuration above
Step 03

Enable the server

Toggle the server switch to ON
Step 04

Start using Polygon.io

Ask Cline: "Using Polygon.io, help me...". 21 tools available

Claude Code · Terminal command

Official guide ↗

Advanced setup

claude mcp add polygonio-alternative --transport http "https://edge.vinkius.com/vk_preview_dqPiZ3NKcmnEpDsgvwZEXUcEm8HKkvzCFRr9cX8T/mcp"

Step 01

Install Claude Code

Run npm install -g @anthropic-ai/claude-code if not already installed
Step 02

Add the Connector

Run the command above in your terminal
Step 03

Verify the connection

Run claude mcp to list connected servers, or type /mcp inside a session
Step 04

Start using Polygon.io

Ask Claude: "Using Polygon.io, show me...". 21 tools are ready

Where the request belongs

Work Polygon.io can move forward.

Built around the request

Traders who want to avoid dashboard fatigue and financial analysts who need to automate data gathering for research reports.

01

Day Trader

Checks real-time crypto trades and market status during a live trading session.

02

Financial Analyst

Pulls dividend histories and treasury yields to compile quarterly research reports.

03

Data Engineer

Tests ticker types and market data queries while building financial apps.

Build the capability set

Each Connector adds new actions and data without changing how you work.

Browse Connectors

01 11 capabilities

IEX Cloud

Access real-time and historical financial data, stock quotes, crypto, and market metrics directly from your AI agent.

02 13 capabilities

Alpha Vantage

Access stock market data via Alpha Vantage. get real-time quotes, time series, technical indicators and crypto/forex data from any AI agent.

03 16 capabilities

Twelve Data

Access real-time stock quotes, crypto prices, forex rates, and technical indicators via AI.

04 5 capabilities

CometAPI

Connect to real-time financial market data with APIs for stocks, forex, and crypto that power trading applications.

05 10 capabilities

Intrinio

Access real-time and historical financial market data via Intrinio API.

06 14 capabilities

Alpaca Trading

Trade stocks and crypto, access real-time market data, and manage your Alpaca brokerage account directly through any AI agent.

Bring your own AI

Change the model, client or framework. Keep Polygon.io connected.

Before you connect

Questions about Polygon.io.

The practical details behind the request, access and result.

Can the Polygon.io MCP get real-time crypto prices?

Yes, it pulls tick-level trade data for crypto pairs, allowing you to see live price movements in your chat.

Does Polygon.io MCP work for international stocks?

Yes, it supports various asset classes including stocks and forex, providing a wide range of global market coverage.

Can I use Polygon.io MCP to check market holidays?

Yes, you can ask about upcoming holidays that affect market hours to help plan your trading schedule.

Does Polygon.io MCP provide news?

It pulls real-time, structured news articles from Benzinga so you can stay updated on company headlines.

Can I get historical data with Polygon.io MCP?

Yes, it can pull historical OHLC bars and volume data for various tickers over custom timeframes.

Does Polygon.io MCP support technical indicators?

Yes, it can retrieve the Simple Moving Average (SMA) and other metrics to help you analyze price trends.

How can I get historical price data for a specific stock like Apple?

You can use the get_custom_bars capability. 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.

Can I check if the stock market is currently open or if there's a holiday?

Yes. Use get_market_status to see the current state of various exchanges, and get_market_holidays to see upcoming dates when the markets will be closed.

How do I find the ticker symbol for a company if I only know its name?

Use the list_tickers capability and provide the company name in the search parameter. The agent will return a list of matching tickers along with their primary exchange and asset class.

One connection away

Give your agent a direct line to Polygon.io.

Connect Polygon.io once. Keep it beside 5,900+ managed Connectors when the next task needs more.

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