Polygon.io MCP Server for Mastra AIGive Mastra AI instant access to 6 tools to Get Aggregates, Get Company, List Dividends, and more
GDPR Free for SubscribersMastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Polygon.io through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this MCP Server for Mastra AI
The Polygon.io MCP Server for Mastra AI is a standout in the Money Moves category — giving your AI agent 6 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"polygonio": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Polygon.io Agent",
instructions:
"You help users interact with Polygon.io " +
"using 6 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Polygon.io?"
);
console.log(result.text);
}
main();
* 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.
Mastra's agent abstraction provides a clean separation between LLM logic and Polygon.io tool infrastructure. Connect 6 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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 Mastra AI 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 Mastra AI
When Mastra AI 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 aggregates on Polygon.io
Get aggregate bars for a stock
Get company on Polygon.io
Get company details for a ticker
List dividends on Polygon.io
List historical dividends
List quotes on Polygon.io
Get tick-by-tick quotes (NBBO)
List tickers on Polygon.io
io. Query all supported tickers
List trades on Polygon.io
Get tick-by-tick trades
Connect Polygon.io to Mastra AI via MCP
Follow these steps to wire Polygon.io into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the Polygon.io MCP Server
Mastra AI provides unique advantages when paired with Polygon.io through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Polygon.io without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Polygon.io tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Polygon.io + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Polygon.io MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Polygon.io, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Polygon.io as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Polygon.io on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Polygon.io tools alongside other MCP servers
Example Prompts for Polygon.io in Mastra AI
Ready-to-use prompts you can give your Mastra AI 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 Mastra AI
Common issues when connecting Polygon.io to Mastra AI through Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpPolygon.io + Mastra AI FAQ
Common questions about integrating Polygon.io MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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