x402search MCP Server
Search 13,000+ x402-enabled HTTP APIs from any MCP-compatible agent.
Version: 1.0.1 · License: MIT · Cost: $0.01 USDC per search · Base mainnet · No account needed
npm: https://www.npmjs.com/package/x402search-mcp
Requirements
- A wallet private key
- USDC on Base mainnet (eip155:8453)
- Get USDC on Base: https://www.coinbase.com/how-to-buy/usdc
Install: Claude Desktop / Claude Code
Add to your claude_desktop_config.json:
"mcpServers": { "x402search": { "command": "npx", "args": ["x402search-mcp@1.0.1"], "env": { "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE" } } }
Install: Cursor
Add to your .cursor/mcp.json — same config block as above.
Install: Windsurf
Add to your Windsurf MCP config — same config block as above.
Quick Test (no config needed)
npx x402search-mcp@1.0.1
Tool: search_x402_apis
Parameters:
- query (string, required): e.g. "weather data", "image generation"
- network (string, optional): e.g. "eip155:8453" for Base mainnet
- max_price_usdc (number, optional): e.g. 0.01 to filter by price
- limit (number, optional): max results, default 10, max 50