X402 Codesearch MCP Server: Install & Setup

Install X402 Codesearch in Claude Code

Claude Code

claude mcp add x402-codesearch -- npx -y x402-codesearch-mcp

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

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

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

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-codesearch -- npx -y x402-codesearch-mcp

yunaremaia/x402-crypto-mcp

Crypto market data via x402: prices, convert, indicators, yields, gas, tx status, balances, ENS.

Ai-Rook/x402-atm

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

seob5285-alt/x402-facilitator-proxy

Multi-tenant HTTP 402 infrastructure gateway and stdio MCP server for machine payments.

ausrine-labs/x402-atlas

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

lspain1994/x402

Search five paid x402 government-data APIs (IRS, FDA, SSA, HCAD); full records paid over x402.

fernsugi/x402-api-mcp-server

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