Agent Discovery Mcp vs Spraay X402 Mcp

In-depth architectural comparison of the Agent Discovery Mcp and Spraay X402 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 Agent Discovery Mcp when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: other (Free / Open Source).
• You have access to required keys: TEST_WALLET_KEY.
• Primary tools included: find_agents_by_skill, get_agent_card, call_agent_with_payment.

Explore Agent Discovery Mcp Details

Choose Spraay X402 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: 183 MCP tools across 33 gateway categories, x402 pay-per-call USDC settlement, DeFi data, swaps, bridges, balances, and ENS resolution.

Feature & Specification Comparison

Specification	Agent Discovery Mcp Claynsn Finance & Fintech	Spraay X402 Mcp plagtech Finance & Fintech
Summary	Minimal MCP server (250 lines TS) for ERC-8004 agent discovery + x402 payment. Three tools: findagentsbyskill (via 8004scan public API), getagentcard, callagentwithpayment using Coinbase's official x402-fetch. Direct EOA signing — no smart account, no bundler, no relay. Works with Claude Code, OpenClaw, Cursor, Cline. USDC on Base/Ethereum + testnets, MIT.	Pay-per-call onchain data, AI models, and batch USDC payments on Base via x402 micropayments. 9 tools including swap quotes, token prices, wallet balances, ENS resolution, and multi-recipient batch transfers.
Category & Scope

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": {
    "claynsn-agent-discovery-mcp": {
      "url": "https://img.shields.io/badge/Available_on-CodeGuilds-6366f1)](https://codeguilds.dev/packages/agent-discovery-mcp"
    }
  }
}

{
  "mcpServers": {
    "plagtech-spraay-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "spraay-x402-mcp"
      ]
    }
  }
}

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