MCP server · DevTools

Polygon.io MCP Server

An MCP server for Massive.com Financial Market Data

Install — paste into MCP config

{
  "mcpServers": {
    "Polygon.io MCP Server": {
      "command": "uvx",
      "args": [
        "mcp-server-Polygon.io MCP Server"
      ]
    }
  }
}

Alternative — Claude Code CLI (generic example)

$ claude mcp add Polygon.io MCP Server -- uvx mcp-server-Polygon.io MCP Server

Generic patterns, not this server's documented command — confirm the real command and transport in the original listing. Local stdio servers use the JSON block; if the README shows an http(s) endpoint instead, use your client's remote-URL option.

At a glance

Published by polygon-io — listed by mcpso. Setup details live in the original listing.

How to use

Pick a block: paste the JSON into your MCP client config, or adapt the CLI example.
Restart or reconnect the client so it picks up the server.
Confirm the exact command and transport in the original listing.

Polygon.io MCP Server

At a glance

How to use

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