Borrowing it
Nothing to install: this file belongs to moudrkat/steeropathy. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/moudrkat/steeropathy/main/.claude/skills/new-experiment/SKILL.mdgit clone --depth 1 https://github.com/moudrkat/steeropathyWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/moudrkat/steeropathy/new-experiment)<a href="https://agentmods.dev/skills/moudrkat/steeropathy/new-experiment"><img src="https://agentmods.dev/badge/skills/moudrkat/steeropathy/new-experiment.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00105 | $0.02022 |
| Opus 5 | $0.00053 | $0.01011 |
| Sonnet 5 | $0.00021 | $0.00404 |
| Haiku 4.5 | $0.00011 | $0.00202 |
Grade A, and why
new-experiment scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Build a new steeropathy experiment
steeropathy is a lab for agents that talk through model internals, never text: one agent's state is read off its activations (or its J-space — the words forming in its layers that never become tokens) and either measured or pushed into another agent's forward pass. Every experiment is a probe, not a product — the goal is a reproducible existence-proof you can play with, run honestly with controls, and write up including the failures.
Read the closest existing bench before writing a new one — they are short and each is a set of answers to the same four questions:
steeropathy/transmit.py— the thesis in ~15 lines: read a mood off one agent, push it into another. The direction/injection/before-after core.steeropathy/ecosystem.py—Eco: a population, per-roundstep(), thepost/get/_state_ofplumbing everything else subclasses.steeropathy/resonance.py—Reso(Eco): ledgers, transfer/conservation, the J-space channel, an unsteered decision turn.steeropathy/unsaid.py—Unsaid: the pure J-space channel (_flicker), no steering at all — only reading.steeropathy/warmer.py,steeropathy/zombie.py— a hot-and-cold game and a refusal-outbreak game built on the above.
The four choices that define an experiment
- Whose internals you read — one agent, a pair, a room of N.
- What crosses — a mood/concept vector, a scalar on one axis, the J-space word cloud, a similarity, or nothing (read-only).
- Who decides — nobody (mechanical rules), or agents choosing via an unsteered tool call (steering breaks JSON long before prose).
- What you measure — and against what control.
The plumbing to reuse (don't reinvent)
- Subclass
Eco(orUnsaid) forself.post(path, body)/self.get(path)against brainscope. Write a custom__init__(likeReso) — don't callsuper().__init__if you don't want its mood seed. - Build a direction from the model's own contrast, not a baked vector:
capture_mood(url, texts)returnsmean(texts) − neutral, unit-normed, at a good layer. For a custom axis, mean-pool/captureover two prompt sets and subtract. Register it withPOST /directions {name, vector}and steer with{"name", "strength", "layer_from", "layer_to"}in the chat body. - Read J-space from the generation's trace: tag each call with
metadata:{demo, case, variant}, then match it inGET /traces, fetchGET /traces/{id}, and walktrace["jlens"]for{t, p}tokens. Filter with a dictionary + stopwords (seeunsaid.STOP/WORDS), or a task lexicon (seezombie.REFUSE_WORDS). - Enable the J-space channel once with
POST /jlens {"on": true}; if it fails, the server has no lens — degrade, don't crash.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 136 lines · 105 tokens per session scan A f1bdf6fae3b6
new-experiment is a skill published in the GitHub repository moudrkat/steeropathy (22 stars, last pushed 3d ago), licensed MIT. It adds 105 tokens to every session and 2,022 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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