Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
20 focused API tools for AI agents: schema generation, text extraction, token counting, regex/cron building, prompt optimization, web summarization, document comparison, and more. TypeScript SDK + LangChain wrappers included.
Send physical mail with Solana payments — AI agents can compose, price, and send letters and postcards via cryptocurrency.