com.mcparmory/polygon MCP Server
com.mcparmory/polygon
Access stock, crypto, and ETF market data with real-time quotes, analyst ratings, earnings, and financial news.
What is the com.mcparmory/polygon MCP server?
The Polygon MCP server connects AI agents to Polygon.io's financial market data API. It provides tools to query stock prices, cryptocurrency data, ETF information, analyst ratings, earnings reports, and financial news, enabling agents to research and analyze markets programmatically.
This server exposes Polygon.io's comprehensive financial data platform as MCP tools. Use it to fetch real-time and historical market data, retrieve analyst sentiment and earnings calendars, search financial news, and analyze stocks, cryptocurrencies, and ETFs—all integrated directly into your AI agent's workflow.
How to install com.mcparmory/polygon
Copy-paste configuration for popular MCP clients.
Tools & capabilities
Tools this server exposes to the agent.
Stock Quotes— Retrieve real-time and historical stock price dataCrypto Data— Access cryptocurrency market data and pricingETF Information— Query exchange-traded fund details and performanceAnalyst Ratings— Fetch analyst ratings and sentiment for securitiesEarnings Data— Retrieve earnings reports and earnings calendar informationFinancial News— Search and retrieve financial news articles and updates
Use cases
- Research stock valuations and analyst consensus before investment decisions
- Monitor cryptocurrency market movements and price trends in real-time
- Track earnings announcements and financial news for portfolio companies
- Compare ETF performance and holdings across different funds
- Build financial dashboards that aggregate market data from multiple asset classes
- Analyze historical price patterns and technical indicators for trading strategies
com.mcparmory/polygon MCP server FAQ
It's an MCP server that connects to Polygon.io's financial data API, giving AI agents access to stock quotes, crypto data, ETF information, analyst ratings, earnings reports, and financial news.
Polygon.io offers a free tier with limited API calls and data. Premium plans provide higher rate limits and access to additional data feeds. Check their pricing page for current details.
Install via pip (pip install mcparmory-polygon) or use uvx (uvx mcparmory-polygon). Then add it to your MCP client config with your Polygon.io API key in the environment variables.
You need a Polygon.io API key, which you can obtain by signing up at polygon.io. Set it as an environment variable when configuring the server.
The server supports both real-time market data and historical price/earnings information, depending on your Polygon.io subscription tier.
Polygon.io provides data for US stocks, cryptocurrencies, forex, and ETFs. Coverage varies by subscription level.
README (reference)
Source of truth, from the repository.
MCP servers that connect AI agents to real-world APIs. Each server is a standalone Python package — generated from the upstream OpenAPI spec using MCP Blacksmith and tested against the live API before release. Hosted on MCP Armory or run independently.
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📄 Documents & Printing PDF.co
🛒 E-commerce Shopify Admin
💰 Finance Alpha Vantage · Polygon · Ramp
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☁️ Infrastructure Globalping · Grafana · PagerDuty · Rootly · Runpod
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More servers are being added continuously.
<!-- SERVERS:END -->Install & Usage
Every server is a standalone PyPI package (mcparmory-<server-name>). Each server's own README.md has full credential setup and configuration instructions.
# With uvx (no install needed)
uvx mcparmory-github
# With pip
pip install mcparmory-github
mcparmory-github
MCP client configuration (Claude Desktop, Cursor, Codex, Claude Code):
{
"mcpServers": {
"github": {
"command": "uvx",
"args": ["mcparmory-github"],
"env": {
"BEARER_TOKEN": "ghp_your_token_here"
}
}
}
}
Features
Every server in this registry provides:
- Full API coverage — all endpoints from the OpenAPI spec are exposed as MCP tools
- Authentication — API key, Bearer token, Basic auth, OAuth2, JWT, OpenID Connect, and mutual TLS
- Multi-auth — servers that support multiple auth methods let you configure whichever you prefer
- Pydantic validation — request parameters are validated before sending to the API
- Resilience — configurable retries with exponential backoff, connection pooling, and timeouts
- Response sanitization — optional redaction of sensitive fields from API responses
How servers are generated
Servers are generated by MCP Blacksmith, an automated pipeline that:
- Parses an OpenAPI specification
- Transforms operations through LLM-driven passes (naming, parameter filtering, enhancement, classification)
- Generates a complete MCP server with auth, models, validation, and configuration
- Tests every tool against the live API using an autonomous agent
- Deploys passing servers to this registry
The generator targets Python 3.11+ and uses FastMCP as the MCP framework.
Contributing
Servers are auto-generated — don't edit server code directly. If you find an issue, open a GitHub Issue describing:
- Broken or deprecated endpoints
- Missing or incorrect parameters
- Authentication problems
- Incorrect request/response models
We'll re-generate the affected server with the fix. To request a new server, open an issue with a link to the API's OpenAPI spec or documentation.
License
Each generated server is released under the MIT License. The underlying APIs have their own terms of service — see individual server READMEs for details.
<p align="center"> <a href="https://mcparmory.com">MCP Armory</a> · <a href="https://mcpblacksmith.com">MCP Blacksmith</a> · <a href="https://docs.mcpblacksmith.com/quickstart">Docs</a> </p>
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