Polygon.io MCP Server vs Stripe MCP Server (Agent Toolkit)

A side-by-side comparison of two Finance & Payments servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Polygon.io MCP Server Official Polygon.io server with tools for stocks, options, forex, and crypto market data. Verified stdio (local) API key Python	Stripe MCP Server (Agent Toolkit) Official Stripe server for payments, customers, subscriptions, invoices, and billing via natural language. Verified stdio (local) API key TypeScript
Category	Finance & Payments	Finance & Payments
Language	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	360	1.9k
Last commit	1 month ago	1 month ago
Verified
Actively maintained
Install	`uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon`	`npx -y @stripe/mcp --tools=all --api-key=<your-stripe-secret-key>`
Repo	Open	Open

Verdict

Pick Polygon.io MCP Server if you prefer its approach (official polygon.io server with tools for stocks, options, forex, and crypto market data).

Pick Stripe MCP Server (Agent Toolkit) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Add Polygon.io MCP Server

Install / run

uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "polygon-io-mcp-server": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/polygon-io/mcp_polygon@v0.4.0",
        "mcp_polygon"
      ],
      "env": {
        "POLYGON_API_KEY": "<your-polygon-api-key>"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add Stripe MCP Server (Agent Toolkit)

Install / run

npx -y @stripe/mcp --tools=all --api-key=<your-stripe-secret-key>

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "stripe-mcp-server-agent-toolkit": {
      "command": "npx",
      "args": [
        "-y",
        "@stripe/mcp",
        "--tools=all",
        "--api-key=<your-stripe-secret-key>"
      ]
    }
  }
}

FAQ

Polygon.io MCP Server or Stripe MCP Server (Agent Toolkit) — which is better?

Pick Polygon.io MCP Server if you prefer its approach (official polygon.io server with tools for stocks, options, forex, and crypto market data). Pick Stripe MCP Server (Agent Toolkit) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Can I use both Polygon.io MCP Server and Stripe MCP Server (Agent Toolkit)?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Polygon.io MCP Server and Stripe MCP Server (Agent Toolkit) work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Polygon.io MCP Server →View Stripe MCP Server (Agent Toolkit) →More comparisons →