Whale Tracker MCP vs Crypto Feargreed MCP

In-depth architectural comparison of the Whale Tracker MCP and Crypto Feargreed 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 Whale Tracker 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 (BYOK (Pay Provider Direct)).
• You have access to required keys: WHALE_ALERT_API_KEY.
• Primary tools included: Fetch recent whale transactions, Filter by blockchain, value, and result limit, Retrieve transaction details by ID.

Explore Whale Tracker MCP Details

Choose Crypto Feargreed MCP 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: Current Fear & Greed Index retrieval, Historical index lookup by day count, Average and trend-direction analysis.

Feature & Specification Comparison

Specification	Whale Tracker MCP kukapay Finance & Fintech	Crypto Feargreed MCP kukapay Finance & Fintech
Summary
Category & Scope	Finance & Fintech	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": {
    "kukapay-whale-tracker-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "kukapay-whale-tracker-mcp"
      ],
      "env": {
        "WHALE_ALERT_API_KEY": "YOUR_WHALE_ALERT_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "kukapay-crypto-feargreed-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "kukapay-crypto-feargreed-mcp"
      ]
    }
  }
}

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