Tested Supermemory, Mem0 and Vilix AI: all share the same lazy MCP tool-call flaw
Asly97 · reddit · 2026-09-13
The author tested three agent memory tools: Supermemory (most polished "second brain" feel), Mem0 (dev favorite, open source), and Vilix AI (kept for cross-tool memory portability). All work, but share one overlooked flaw: they run over MCP, so the model decides when to call the memory tools — and models are lazy, often claiming they don't remember until explicitly told to check. The author asks whether anyone has solved the lazy tool-call problem via prompt tricks, forced per-turn calls, or whether it awaits something better than MCP.
Related event: Hands-on: three AI memory tools all stumble over lazy MCP calls(2 posts)→
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