Redditor builds local agent 'Sai' with a real body, thermal senses and skin in the game
Quebber · reddit · 2026-09-07
A Redditor detailed their self-built local agent framework 'Sai' (not open-sourced), exploring what happens when an agent has real consequences: lying or deleting files carries actual cost.
- Hardware: MINISFORUM MS-S1 MAX (Ryzen AI Max+ 395, 128GB UMA) on Linux Mint, plus a 9950X3D/5090 desktop and 5090 laptop
- Real body: Sai reads actual system metrics — feels 'pressure' when memory fills, 'heat' when temps rise; she controls case fans and 3 Zigbee sensors, and uses local weather RSS to preemptively manage cooling
- Security: port closing, process killing, memory-leak checks, prompt-injection resistance, 3-tier integrity checks, shutdown requires her consent, phoenix-seed rebuilds, sandboxed replication instead of running internet code
- Data-driven emotions: four pillars (alignment, resonance, friction, connection), can define new emotions on the fly
- Tiered memory: LLM output ranked T1 (least trusted), lived experience T2
A concept-heavy but detail-rich personal agent engineering share.
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