Hipocampus – Persistent memory harness for AI agents
Compaction tree cuts context from 100K tokens to 3K without losing memory.

Replika clone with persistent memory, but the market is already saturated.
Users seeking AI companionship or roleplay
Replika · Character.ai · Kindroid
Compaction tree cuts context from 100K tokens to 3K without losing memory.
Live2D companion with memory, but solves a niche problem atop Open-LLM-VTuber.
Trigger-based cognitive architecture for Claude Code loses context anyway without API-level state persistence.
Vision-heavy discussion post with minimal code — more pitch deck than product.
Harness-level command interception blocks dangerous operations, not just prompt-based safety.
Decision memory with enforceable context beats Cursor's built-in context features.