Vinkius

Polygon.io MCP. Analyze Stock Market Data and Trades Instantly

Polygon.io connects your agent to institutional-grade financial data, giving you instant access to real-time and historical stock market information right inside your chat window. You can retrieve OHLCV aggregates, analyze tick-by-tick trades, check company fundamentals, or track past dividend payments instantly without leaving your workflow.

Polygon.io MCP is compatible with Claude Claude
Polygon.io MCP is compatible with ChatGPT ChatGPT
Polygon.io MCP is compatible with Cursor Cursor
Polygon.io MCP is compatible with Gemini Gemini
Polygon.io MCP is compatible with Windsurf Windsurf
Polygon.io MCP is compatible with VS Code VS Code
Polygon.io MCP is compatible with JetBrains JetBrains
Polygon.io MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Get Historical Price Ranges

Retrieve Open, High, Low, Close, Volume (OHLCV) bars for any stock across custom timeframes.

Analyze Live Market Movements

Access tick-by-tick trade data and quotes to pinpoint exact market movements and execution prices.

Research Company Basics

Pull detailed metadata for a stock ticker, including its industry classification and primary business description.

Check Dividend History

List historical cash dividend payments, including the frequency and ex-dividend dates for specific assets.

View Available Instruments

Query a full list of supported financial tickers and instruments available on the platform.

Waiting for input…

AI Agent
Polygon.io

What AI agents can do with Polygon.io: 6 Tools for Financial Data

These tools let you programmatically access every type of financial data, from daily price summaries to individual tick-by-tick trades.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Polygon.io MCP

Get Aggregates

Retrieves Open, High, Low, Close, Volume (OHLCV) price bars for a specified stock ticker and time period.

Get Company

Fetches detailed background information, including the industry classification, for...

List Dividends

Generates a list showing all historical cash dividend distributions for an asset.

List Quotes

Gets real-time, tick-by-tick quotes (NBBO) to show the current best bid and offer...

List Tickers

Queries and returns the full list of all financial tickers supported by the platform.

List Trades

Retrieves every recorded tick-by-tick trade that occurred for a specific stock ticker.

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Polygon.io MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Polygon.io integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Polygon.io, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
Polygon.io MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Polygon.io. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

VINKIUS CLOUD

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

The struggle of context-switching in financial research

Right now, analyzing market trends means opening a brokerage terminal for quotes, then switching to a spreadsheet to calculate 52-week aggregates, and finally jumping over to a company website just to confirm the industry sector. You spend more time copying and pasting data between tabs than you do actually thinking about the investment.

With this MCP, your agent handles all that complexity. You ask one question—for example, 'What were the daily aggregates for TSLA in Q1?'—and it pulls the volume, open, high, low, and close data into a single, readable response. The workflow is immediate; the context stays put.

Polygon.io MCP gives you instant market validation

You don't have to manually check six different sources—one for trades, one for quotes, and another just for company metadata. The agent aggregates all these data points using tools like `list_trades`, `get_company`, and `list_quotes` into a single analytical output.

It means your analysis is grounded in comprehensive, verified market records the second you ask it. You stop assembling reports from disparate sources and start making decisions.

What Polygon.io MCP does for your AI

Need to understand a market trend but hate opening ten different tabs? This MCP lets you pull deep financial data directly through natural language queries. Your agent handles the complexity; you just ask questions about the stock market.

Whether you're analyzing historical performance or checking current liquidity, you get raw, structured data—from detailed company metadata to precise trade volumes. You can monitor how a stock behaved minute-by-minute or see every cash dividend paid over the last decade. Since Vinkius hosts this MCP in their catalog, connecting it is fast; just plug into your preferred AI client.

This means you spend zero time copying data between screens and all your focus stays on the analysis itself.

Built · Hosted · Managed by Vinkius Polygon.io MCP - Real-Time Stock Market Data Analysis
Server ID 019e38d9-05db-7191-9996-64667d052279
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Frequently asked questions about Polygon.io MCP

How does Polygon.io MCP get real-time stock quotes? +

It uses the list_quotes tool to fetch tick-by-tick data, giving you the current best bid and offer prices (NBBO). This is critical for immediate trading decisions.

Can I check dividend history with Polygon.io MCP? +

Yes, running list_dividends pulls a comprehensive record of all historical cash dividends paid out by the company over time, helping you project future payouts.

What is the difference between get_aggregates and list_trades? +

get_aggregates summarizes price action (OHLCV) for a given period. list_trades, however, provides raw, individual records of every single trade that occurred during that time.

Do I need an API key to use Polygon.io MCP? +

Yes, you must subscribe and enter your personal Polygon.io API Key into the client settings for the agent to access the live financial data.

What if I want a list of all available stocks? +

Use the list_tickers tool. It queries the platform and returns the full, supported list of financial instruments you can analyze with other tools.