EVM MCP Server 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.

	EVM MCP Server Interact with 60+ EVM chains: balances, transfers, contracts, ENS, and ABI fetching. Verified stdio (local) API key Stale 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
Category	Finance & Payments	Finance & Payments
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	380	360
Last commit	6 months ago	1 month ago
Verified
Actively maintained
Install	`npx -y @mcpdotdirect/evm-mcp-server`	`uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon`
Repo	Open	Open

Verdict

Pick EVM MCP Server if you need the broadest set of tools.

Pick Polygon.io MCP Server if you want the official, vendor-maintained server.

Add EVM MCP Server

Install / run

npx -y @mcpdotdirect/evm-mcp-server

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

{
  "mcpServers": {
    "evm-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@mcpdotdirect/evm-mcp-server"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<your-evm-private-key-optional>",
        "ETHERSCAN_API_KEY": "<your-etherscan-api-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

EVM MCP Server or Polygon.io MCP Server — which is better?

Pick EVM MCP Server if you need the broadest set of tools. Pick Polygon.io MCP Server if you want the official, vendor-maintained server.

Can I use both EVM MCP Server 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 EVM MCP Server 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.

View EVM MCP Server →View Polygon.io MCP Server →More comparisons →