Coal — Payments for AI agents vs Hogswap MCP

In-depth architectural comparison of the Coal — Payments for AI agents and Hogswap 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 Coal — Payments for AI agents 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).

Explore Coal — Payments for AI agents Details

Choose Hogswap MCP 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).

Explore Hogswap MCP Details

Feature & Specification Comparison

Specification	Coal — Payments for AI agents Finance & Fintech	Hogswap MCP Finance & Fintech
Summary	Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.	Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.
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": {
    "coal-payments-for-ai-agents": {
      "command": "npx",
      "args": [
        "-y",
        "prisma"
      ]
    }
  }
}

{
  "mcpServers": {
    "hogswap-mcp": {
      "url": "https://hogswap-v1.liquihog.dev/mcp/"
    }
  }
}

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