What is the key difference between MCP Polygon) and Twelvedata MCP?

MCP Polygon) belongs to the Finance & Fintech category with local stdio execution, while Twelvedata MCP belongs to the Finance & Fintech category with cloud HTTP/SSE execution.

How do I install MCP Polygon) or Twelvedata MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCP Polygon) and Twelvedata MCP free or paid?

MCP Polygon) operates under a BYOK (Pay Provider Direct) model (API Key required). Twelvedata MCP operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

MCP Polygon) lists 3 tools with 3 views and 389 GitHub stars. Twelvedata MCP lists 6 tools with 2 views and 76 GitHub stars.

Can I use both MCP Polygon) and Twelvedata MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

MCP Polygon) vs Twelvedata MCP

In-depth architectural comparison of the MCP Polygon) and Twelvedata MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

MCP Polygon)

Finance & Fintech · Local stdio

Quality: 51/100 (Good) | Auth: API Key required

Twelvedata MCP

Finance & Fintech · Remote HTTP/SSE

Quality: 45/100 (Fair) | Auth: API Key required

Verdict Summary: Choose MCP Polygon) if you need specialized Finance & Fintech tools running via a local process. Choose Twelvedata MCP if your workspace requires Finance & Fintech integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose MCP Polygon) when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: MASSIVE_API_KEY.
Primary tools included: search_endpoints, call_api, query_data.

Explore MCP Polygon) Details

Choose Twelvedata MCP when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: TWELVE_DATA_API_KEY.
Primary tools included: Real-time and historical market prices, 60+ technical indicators, Fundamentals, earnings, dividends, and company profiles.

Feature & Specification Comparison

Specification	MCP Polygon) polygon-io Finance & Fintech	Twelvedata MCP twelvedata Finance & Fintech
Summary	) 🐍 ☁️ - An MCP server that provides access to Polygon.io financial market data APIs for stocks, indices, forex, options, and more.	Interact with Twelve Data APIs to access real-time and historical financial market data for your AI agents.
Category & Scope	Finance & Fintech

Tools & Capabilities Breakdown

MCP Polygon) Tools (3)

search_endpoints

Search for API endpoints and built-in functions by natural language query. Returns titles, path patterns, and descriptions. Set `detail` to `"more"` for query parameter docs, or `"verbose"` for full documentation. Use `max_results` to limit results.

call_api

Call any Massive.com REST API endpoint. Supports storing results as an in-memory database table (`store_as`) and applying post-processing functions (`apply`). Paginated responses include a next-page hint.

query_data

Run SQL against stored SQLite DB. Supports `SHOW TABLES`, `DESCRIBE <table>`, `DROP TABLE <table>`, CTEs, window functions, and more. Results can also be post-processed with `apply`.

Twelvedata MCP Tools (6)

Real-time and historical market prices

60+ technical indicators

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

MCP Polygon) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "polygon-io-mcp-polygon-": {
      "command": "npx",
      "args": [
        "-y",
        "polygon-io-mcp-polygon-"
      ],
      "env": {
        "MASSIVE_API_KEY": "YOUR_MASSIVE_API_KEY_HERE"
      }
    }
  }
}

Twelvedata MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "twelvedata-mcp": {
      "url": "https://mcp.twelvedata.com/mcp"
    }
  }
}

Frequently Asked Questions

MCP Polygon) is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Twelvedata MCP belongs to Finance & Fintech using remote streaming HTTP/SSE transport. Select MCP Polygon) when you need capabilities focused on finance & fintech and Twelvedata MCP when you require tools for finance & fintech.

More alternatives to MCP Polygon)More alternatives to Twelvedata MCP Finance & Fintech category hub