Show HN: Message other Claude Code users with your Claude Code

Category: devtools

Tags: mcp, messaging, encryption, claude-code, cloudflare-workers

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 6)

An MCP server for Claude Code that enables asynchronous encrypted messaging between users via a Cloudflare Worker postbox, using NaCl box encryption. It's interesting because it adds a persistent communication layer to an AI coding assistant without requiring accounts or background processes.

Target audience: backend devs, devops

Repository: https://pavanmadiraju91.github.io/answering-machine/ · TypeScript

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