Persistent AI memory creates a new attack surface. Malicious data can poison every session. Here is what prompt injection via memory looks like -- and how to build with hygiene.
MCP tool calls eat 500-2000 tokens of overhead. Naive memory servers bloat your context window and degrade AI quality. Here is how to fix it.
Memory lock-in happens when your long-term AI context is trapped inside one vendor. Learn how it works and how to stay free with a shared persistent memory layer.
Claude Desktop is smart but forgets everything between sessions. Here's how to add persistent memory using Kumbukum in under 60 seconds. No Docker, no local database, just copy-paste.