Swap API vs Blockchain MCP

In-depth architectural comparison of the Swap API and Blockchain 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.

Which MCP Server Should You Choose?

Choose Swap API when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Generates executable swap calldata, Supports EVM chain IDs including Ethereum, Base, Arbitrum, and Polygon, Accepts native ETH and ERC-20 token addresses.

Explore Swap API Details

Choose Blockchain MCP when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: TATUM_API_KEY.
• Primary tools included: get_metadata, get_wallet_balance_by_time, get_wallet_portfolio.

Feature & Specification Comparison

Specification	Swap API Finance & Fintech	Blockchain MCP tatumio Finance & Fintech
Summary	MCP server for SwapAPI - get executable token swap calldata for EVM chains	MCP server for Blockchain Data. It provides access to Tatum's blockchain API across 130+ networks with tools including RPC Gateway and Blockchain Data insights.
Category & Scope	Finance & Fintech

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "mcp-207": {
      "command": "npx",
      "args": [
        "-y",
        "@swapapi/mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "tatumio-blockchain-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@tatumio/blockchain-mcp"
      ],
      "env": {
        "TATUM_API_KEY": "YOUR_TATUM_API_KEY_HERE"
      }
    }
  }
}

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