Agent Discovery Mcp vs Yieldagentx402 Sdks

In-depth architectural comparison of the Agent Discovery Mcp and Yieldagentx402 Sdks 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 Yieldagentx402 Sdks when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: API Key required (Freemium).
• Primary tools included: 18 MCP tools across 18 chains, Policy-gated workflow execution, Custody-free MPC wallet for EVM and Bitcoin.

Feature & Specification Comparison

Specification	Agent Discovery Mcp Claynsn Finance & Fintech	Yieldagentx402 Sdks Fabio662 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.	Custody-free, policy-gated, receipt-backed execution layer for AI agents. 16 MCP tools across 18 chains (Base, Ethereum, Bitcoin native, Starknet, NEAR, Solana, Stacks, BNB, Rootstock, Filecoin, Aptos, Sui, TON, Tron, XRPL, Stellar, Algorand). One NEAR MPC key authority signs on EVM and BTC, no private keys held anywhere. ShadeGuard policy enforcement, Intel TDX TEE attestation, HMAC-SHA256 receipts, Filecoin and BTFS anchored. x402 protocol settlement with 0.25 percent protocol fee. Public discovery with no signup needed: call yaxgetcapabilities without auth. Instant test key (5 USD cap, 7 day) via POST /api/apply. Install via npx agentx402-mcp-server.

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": {
    "fabio662-yieldagentx402-sdks": {
      "url": "https://yieldagentx402.app"
    }
  }
}

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