X402 API MCP Server: Install & Setup

Install X402 API in Claude Code

Claude Code

claude mcp add x402-api -- npx -y @x402-api/mcp-server

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

{
  "mcpServers": {
    "x402-api": {
      "command": "npx",
      "args": [
        "-y",
        "@x402-api/mcp-server"
      ]
    }
  }
}

Eight paid DeFi tools: prices, gas, swaps, token security, holders, yields, funding and wallets

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 x402-api -- npx -y @x402-api/mcp-server

ausrine-labs/x402-atlas

The x402 agent market on Base: sellers, prices, on-chain payments, operators, buyers. Dated.

kten-agent/x402-mcp-server

MCP server for Hermes Asia x402 CN/JP market intelligence via USDC on Base. 8 endpoints.

Ai-Rook/x402-atm

72 x402 endpoints: trading, AI inference, blockchain, escrow. USDC on Base+Solana.

Jannis-E/x402-mcp-server

Pay-per-call x402 tools on Base: web extract/render, burn-once secret vault, chart, GeoTIFF

liminalpepe/x402-codesearch-mcp

Free MCP server: index a repo's files into the x402-codesearch Worker's search index.

CarbonCashmere/x402-mcp

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent