MCP Servers
63,071 MCP servers for AI apps. Filter by category, badge and popularity.
Memory & Knowledge
MCP Memory Gateway is a pre-action gate engine for AI coding agents. Unlike memory servers that store and retrieve context (Mem0, Zep), this server enforces behavior change: repeated failures are auto-promoted into prevention rules, and PreToolUse hooks physically block tool call
memo is a local-first, long-term semantic memory for AI coding agents (Claude Code, Cursor, Cline, Codex). Runs fully offline with in-process embeddings—MLX on Apple Silicon or CPU sentence-transformers on Linux/Docker—and a sqlite-vec + BM25 hybrid retrieval pipeline with re
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.
