Arch Tools MCP vs Keryx

In-depth architectural comparison of the Arch Tools MCP and Keryx 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 Arch Tools 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).

Explore Arch Tools MCP Details

Choose Keryx 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 Keryx Details

Feature & Specification Comparison

Specification	Arch Tools MCP Finance & Fintech	Keryx Finance & Fintech
Summary	61 AI agent tools under one key. Web, AI, voice, data, crypto & more. Stripe + x402 USDC payments.	Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.
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": {
    "arch-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli"
      ]
    }
  }
}

{
  "mcpServers": {
    "keryx": {
      "command": "npx",
      "args": [
        "-y",
        "keryx-mcp@latest"
      ]
    }
  }
}

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