Penny x402 utilities

Overview

Penny x402 utilities is a Model Context Protocol server that provides pay-per-call development utilities including hash, base64, uuid, URL, time, NIP-19, and BOLT11 functions. These tools are powered by x402 USDC payments on Base, letting AI assistants access utility functions on demand with transparent pricing. Any MCP-compatible client can invoke these tools directly within conversations or agent runs.

The server runs as a remote hosted endpoint at https://pennyagent.pythonanywhere.com/mcp, requiring no local installation or configuration. No authentication credentials are needed to connect. The current release is v0.1.0. For more information visit https://penny-agent.surge.sh/api/.

Penny x402 utilities is listed in the Development category on mcp.site and works with all MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, and Zed. If you maintain this server, claim this listing to verify ownership, earn the Verified badge, and keep information current.

Installation

Settings → Connectors → Add custom connector
Name: Penny x402 utilities
URL:  https://pennyagent.pythonanywhere.com/mcp