X402score SDK MCP Server: Install & Setup

Install X402score SDK in Claude Code

Claude Code

claude mcp add x402score-sdk -- npx -y x402score-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "x402score-sdk": {
      "command": "npx",
      "args": [
        "-y",
        "x402score-mcp"
      ]
    }
  }
}

Check an x402-paid API endpoint's trust score before paying it - live-probed, not self-reported.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add x402score-sdk -- npx -y x402score-mcp

checkra1neth/xbird

Twitter/X MCP server — 30 tools with x402 micropayments. Runs locally from your IP.

arden-instance/x402lint

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.

wyre-technology/xero-mcp

MCP server for Xero accounting — contacts, invoices, payments, accounts, and financial reports.

ukenal/x402ai-mcp

Pay-per-call AI tools (embed, summarize, ask) from x402ai, paid in USDC on Base via x402.

XFuel-Lab/xfuel-protocol

Submit AI inference to XFuel, pay per task (USDC via x402 or TFUEL), fetch/verify ZK proofs.

AsaiShota/x402-market

Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.