K402 MCP vs Yieldagentx402 Sdks

In-depth architectural comparison of the K402 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 K402 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: Pay-per-call MCP APIs settled on Kaspa, Text transformation and schema-based extraction, Web reading, embeddings, and semantic search.

Explore K402 MCP Details

Choose Yieldagentx402 Sdks when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• Primary tools included: 18 MCP tools across 18 blockchain networks, Policy dry-runs and approval workflows, Custody-free MPC wallet model.

Explore Yieldagentx402 Sdks Details

Feature & Specification Comparison

Specification	K402 MCP Kali123411 Finance & Fintech	Yieldagentx402 Sdks Fabio662 Finance & Fintech
Summary	Agent-payable APIs settled on Kaspa L1: text tools (summarize, schema-guaranteed extract, classify, rewrite), web reading, embeddings + semantic search, live Kaspa chain data, GPU LLM tiers, covenants-as-a-service, and RISC Zero zk proving with cycle-exact quotes. Pay per call in KAS, BTC, LTC, DOGE, BCH, DASH, ETH, or USDC — fractions of a cent, no account or API key. pip install k402-mcp	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": {
    "kali123411-k402-mcp": {
      "command": "uvx",
      "args": [
        "k402-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "fabio662-yieldagentx402-sdks": {
      "command": "npx",
      "args": [
        "-y",
        "agentx402-mcp-server"
      ]
    }
  }
}

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