MCP Directory

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

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

 Stripe MCP Server (Agent Toolkit)

Official Stripe server for payments, customers, subscriptions, invoices, and billing via natural language.

Verified
stdio (local)
API key
TypeScript
Polygon.io MCP Server

Official Polygon.io server with tools for stocks, options, forex, and crypto market data.

Verified
stdio (local)
API key
Python
CategoryFinance & PaymentsFinance & Payments
LanguageTypeScriptPython
Transportstdio (local)stdio (local)
AuthAPI keyAPI key
GitHub stars1.9k360
Last commit1 month ago1 month ago
Verified
Actively maintained
Installnpx -y @stripe/mcp --tools=all --api-key=<your-stripe-secret-key>uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon
RepoOpen Open

Verdict

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

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

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>"
      ]
    }
  }
}

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.

FAQ

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

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

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

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

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