Gas Estimator API vs Whale Alert API

In-depth architectural comparison of the Gas Estimator API and Whale Alert API 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 Gas Estimator API when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: crypto_estimate_gas, chain.

Explore Gas Estimator API Details

Choose Whale Alert API when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: crypto_track_whale_transactions, chain, minValue.

Explore Whale Alert API Details

Feature & Specification Comparison

Specification	Gas Estimator API Finance & Fintech	Whale Alert API Finance & Fintech
Summary	Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.	Track large on-chain whale transactions on Ethereum and Base. x402 micropayment.
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": {
    "gas-estimator-api": {
      "url": "https://img.shields.io/badge/MCP-server-blue)](https://gas-estimator.api.klymax402.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "whale-alert-api": {
      "url": "https://img.shields.io/badge/MCP-server-blue)](https://whale-alert.api.klymax402.com/mcp"
    }
  }
}

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