Fatstack
Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.
Install
Remote streamable-http
https://www.fatstack.net/api/mcpClient config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"net-fatstack-registry": {
"url": "https://www.fatstack.net/api/mcp"
}
}
} Source: official MCP Registry record · registry name net.fatstack/registry · published 2026-09-14 · updated 2026-09-14. Not an endorsement; review the code before connecting it to anything sensitive.