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README.md

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+---
+license: cc-by-4.0
+tags:
+- modelfarm
+- persona
+- interpretability
+- roleplay
+---
+
+# 👽 MODELFARM 🎃
+### *a repository of wild and weird persons-in-a-machine — for research and fun*
+
+![ModelFarm](assets/org_banner.png)
+
+ModelFarm grows **personas inside small language models** and ships them as
+**farm packages**: a base model plus a tiny activation-space artifact
+(a steering vector, a neuron recipe, or a LoRA the size of a postcard) plus a
+runtime that can turn the dose up and down *after* publication. Merged
+checkpoints forget who they are supposed to be; our packages remember.
+
+## What the farm grows
+
+| package type | what it is | the honest catch |
+|---|---|---|
+| **TONE DIALS** (engram vectors) | a direction in the residual stream, dose-controllable live | they carry *register*, not character — at this scale, all personas are points on one axis |
+| **CHARACTER CARTRIDGES** (LoRA / system prompt) | identity, memories, lore | the system prompt is embarrassingly hard to beat; the LoRA remembers templates, not truths |
+| **REGISTER CIRCUITS** (neuron recipes) | 9 switches that make any voice louder | persona-blind and mildly cursed: capability cost ships on the label |
+
+## The findings the farm stands on
+
+![tone axis](assets/tone_axis.png)
+
+- **Personas are points on a one-dimensional haunted corridor.** Arnold and Extrali,
+  two minds with zero shared content, have near-**anti-parallel** engram vectors
+  (cos = −0.921). Identity content is the dust in the corners of a tone axis.
+- **Neurons that fire on a trait rarely cause it** — the causal push, not the
+  activation, is the instrument. Alignment search finds the *model's* register
+  circuit, and it serves every persona equally.
+- **The identity gate is real**: an injected offset decays; a prompt is re-supplied
+  by attention every layer. Steering cannot (yet) install a self.
+- **Directions don't carry their labels.** Ask a steered model what its own vector
+  means and "evil" answers *dread*; ours answers *mockery*. The card says what the
+  model says, not what we hoped.
+
+## The specimens
+
+**Specimen 001 — EXTRALI** 👽 *advanced extraterrestrial intelligence, planet Xeno-888,
+observing Earth for over 3000 years* — our founding character, released for
+**Spooky Season 2026**:
+
+- [extrali-1.5b-engram-evoked](https://huggingface.co/ModelFarm/extrali-1.5b-engram-evoked) · tone dial
+- [extrali-1.5b-neurons](https://huggingface.co/ModelFarm/extrali-1.5b-neurons) · register circuit
+- [extrali-1.5b-sysprompt](https://huggingface.co/ModelFarm/extrali-1.5b-sysprompt) · character shell
+
+Specimen 002 — **ARNOLD** — lives in the gated
+[research-artifacts](https://huggingface.co/ModelFarm?sort_models=downloads#community)
+shelf: a real-person likeness study, CC-BY-NC, gated, with the likeness disclaimer on
+every card. He is a research probe, not a product.
+
+## House rules
+
+1. Every card ships its measurements — persona stack, dose cliff, capability cost.
+   A persona that costs QA points says so on the tin.
+2. Real-person packages are gated research artifacts. No impersonation products,
+   no commercial use, never present outputs as the person's words.
+3. Fictional personas are the public face. The weird stuff is for everyone;
+   the wild stuff is labeled.
+
+*Grown in the open by the Arnold Persona Lab harness. Research first, fun always.* 🎃👽