Polygon.io MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 6 tools to Get Aggregates, Get Company, List Dividends, and more

Name: Polygon.io
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Polygon.io through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

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The Polygon.io MCP Server for OpenAI Agents SDK is a standout in the Money Moves category — giving your AI agent 6 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Polygon.io Assistant",
            instructions=(
                "You help users interact with Polygon.io. "
                "You have access to 6 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Polygon.io"
        )
        print(result.final_output)

asyncio.run(main())

Fully ManagedVinkius Servers

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Polygon.io MCP Server

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.

The OpenAI Agents SDK auto-discovers all 6 tools from Polygon.io through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Polygon.io, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

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

The Polygon.io MCP Server exposes 6 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 6 Polygon.io tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Polygon.io through Vinkius, your AI agent gets direct access to every tool listed below — spanning stock-market, trading-data, financial-analysis, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

get

Get aggregates on Polygon.io

Get aggregate bars for a stock

get

Get company on Polygon.io

Get company details for a ticker

list

List dividends on Polygon.io

List historical dividends

list

List quotes on Polygon.io

Get tick-by-tick quotes (NBBO)

list

List tickers on Polygon.io

io. Query all supported tickers

list

List trades on Polygon.io

Get tick-by-tick trades

Connect Polygon.io to OpenAI Agents SDK via MCP

Follow these steps to wire Polygon.io into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 6 tools from Polygon.io

Why Use OpenAI Agents SDK with the Polygon.io MCP Server

OpenAI Agents SDK provides unique advantages when paired with Polygon.io through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Polygon.io + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Polygon.io MCP Server delivers measurable value.

Automated workflows: build agents that query Polygon.io, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Polygon.io, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Polygon.io tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Polygon.io to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Polygon.io in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Polygon.io immediately.

"Get company details and industry for ticker NVDA."

"Show me the historical dividends for MSFT."

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

Troubleshooting Polygon.io MCP Server with OpenAI Agents SDK

Common issues when connecting Polygon.io to OpenAI Agents SDK through Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Polygon.io + OpenAI Agents SDK FAQ

Common questions about integrating Polygon.io MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.