LocalPaid service

X402search MCP server

x402-index/x402search-mcp

Search x402-enabled HTTP APIs by keyword, paid per search via x402 micropayments on Base.

2 GitHub stars120 npm downloads / month
Source code

Install X402search in Claude Code

Claude Code
claude mcp add x402search -e PRIVATE_KEY=... -- npx -y x402search-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "x402search": {
      "command": "npx",
      "args": [
        "-y",
        "x402search-mcp"
      ],
      "env": {
        "PRIVATE_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the X402search MCP server do?

Search x402-enabled HTTP APIs by keyword, paid per search via x402 micropayments on Base.

Is the X402search MCP server free?

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

Does X402search run locally or remotely?

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

How do I add X402search to Claude Code?

Run: claude mcp add x402search -e PRIVATE_KEY=... -- npx -y x402search-mcp

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