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.
MCP server to search 4,800+ MCP servers, AI agents, CLI tools and agent skills. Install: npx -y a2asearch-mcp. Ask Claude: "Find MCP servers for database access". Free, no auth required.
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.