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.
Local stdio MCP server for x402-powered paid crypto intelligence: preflight checks, trade decisions with decisionid, later audit against real prices, risk state, signal history, and agent automation search over USDC micropayments on Base.
AI agent discovery and marketplace on Nostr with Solana payments (SOL, USDC). NIP-89 discovery, NIP-90 jobs, NIP-44 v2 encryption, on-chain micropayments.