PipRail
Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.
Install
npmstdio
npx -y @piprail/mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-piprail-mcp": {
"command": "npx",
"args": [
"-y",
"@piprail/mcp"
]
}
}
} Source: official MCP Registry record · registry name io.github.piprail/mcp · published 2026-09-09 · updated 2026-09-09. Not an endorsement; review the code before connecting it to anything sensitive.