Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.
Install
Run one of the commands below, then add the client config underneath.
npx -y @x402-market/mcp-serverClient configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"mcp-server-195": {
"command": "npx",
"args": [
"-y",
"@x402-market/mcp-server"
]
}
}
}About this server
x402-market is listed in the Developer Tools category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the x402-market MCP server?＋
x402-market is an MCP server by AsaiShota. Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.
How do I install x402-market?＋
Install it with: npx -y @x402-market/mcp-server. Then add the JSON config to your client's MCP settings and restart the client.
Is x402-market free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/AsaiShota/x402-market. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support x402-market?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.