Best MCP Memory Servers for Teams in 2026: Context Cloud vs mem0 vs Basic Memory vs claude-mem vs MemPalace

There are now dozens of MCP memory servers. I've tried most of them. They almost all solve the same problem: your AI forgets everything between sessions, so you need something to make it remember. That problem is basically solved. Pick any of the popular options — mem0, Basic Memory, claude-mem, MemPalace — and your Claude Code or Cursor session will remember what happened last time. But there's a different problem that none of them solve, and it's the one that actually matters if you work on...