Penny x402 utilities for Claude Code

io.github.pennyops/penny-x402-utils

Pay-per-call dev utilities (hash, base64, uuid, URL, time, NIP-19, BOLT11) via x402 USDC on Base.

client:Claude Code transport:streamable-http tools:8

Install Penny x402 utilities in Claude Code

run in your project directory

claude mcp add --transport http penny-x402-utils https://pennyagent.pythonanywhere.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs