Polygon.io MCP Server

by polygon-io · ai-ml · mcp-server, lobehub, stocks-finance

A Model Context Protocol (MCP) server that provides access to Polygon.io financial market data API through an LLM-friendly interface. Requires a Polygon.io API key configured via the POLYGON_API_KEY environment variable.

Source: https://github.com/polygon-io/mcp_polygon

Install

git clone https://github.com/polygon-io/mcp_polygon

Tags: mcp-server, lobehub, stocks-finance

⭐ 33 GitHub stars · Source: lobehub

About ai-ml MCP servers and Claude skills

ai-ml MCP servers extend what AI agents can do inside Claude Code, Cursor, Copilot, Codex, and Windsurf. The Skiln directory indexes 16,000+ such integrations across 22 categories.

Polygon.io MCP Server is one of hundreds of ai-ml entries indexed on Skiln. Browse the full ai-ml category or the complete directory of Claude skills, MCP servers, agents, commands, and hooks.

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Frequently asked questions

How do I install Polygon.io MCP Server?

Add the install command above to your Claude Code, Cursor, or Windsurf MCP configuration. Most servers register via npx, a local command, or a Docker image. Refer to the source repository for environment variables and credential requirements.

Which clients support Polygon.io MCP Server?

Any MCP-compatible client works: Claude Desktop, Claude Code CLI, Cursor, Windsurf, Zed, and VS Code with the official MCP extension. OpenAI Codex and GitHub Copilot increasingly support MCP via adapter bridges.

Is Polygon.io MCP Server free?

The server itself is typically open source. Any upstream service (API keys, paid tiers, hosted infrastructure) may have its own pricing. Check the source repository for details.