x402search MCP Server
Search 14,000+ x402-enabled HTTP APIs from any MCP-compatible agent.
Version: 1.0.3 · License: MIT · Cost: $0.01 USDC per search · Base mainnet · No account needed
npm: https://www.npmjs.com/package/x402search-mcp
PyPI: https://pypi.org/project/x402search-mcp
API: https://x402search.xyz
Requirements
- A wallet private key (EVM)
- USDC on Base mainnet (eip155:8453)
- Get USDC on Base: https://www.coinbase.com/how-to-buy/usdc
Install: Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"x402search": {
"command": "npx",
"args": ["x402search-mcp@1.0.3"],
"env": {
"EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
}
}
}
}Config file location:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
Install: Claude Code
claude mcp add x402search -- npx x402search-mcp@1.0.3Then set your key:
export EVM_PRIVATE_KEY=0xYOUR_PRIVATE_KEY_HERE





