Polygon.io

Polygon.io

Polygon.io provides real-time and historical market data APIs for stocks, options, forex, and cryptocurrencies, enabling developers to build financial applications with ease.

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Installation

  1. 1
    Create a Spinrun account

    Sign up for free — no credit card. 5,000 credits on the house.

    Create free account
  2. 2
    Copy your MCP server URL

    Mint a Spinstack gateway key inside Spinrun. Your URL is https://mcp.spinrun.ro/mcp.

    Log in
  3. 3
    Add it to your MCP client

    Paste the URL + bearer token into Claude Desktop or Cursor. Then invoke Polygon.io tools from your agent.

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