Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/TaewoooPark/MagLabWrote 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/agents/taewooopark/maglab/physics-validator)<a href="https://agentmods.dev/agents/taewooopark/maglab/physics-validator"><img src="https://agentmods.dev/badge/agents/taewooopark/maglab/physics-validator/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/taewooopark/maglab/physics-validator"><img src="https://agentmods.dev/badge/agents/taewooopark/maglab/physics-validator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00033 | $0.00286 |
| Opus 5.5 | $0.00013 | $0.00114 |
| Sonnet 5.5 | $0.00007 | $0.00057 |
| Haiku 4.5 | $0.00003 | $0.00029 |
Grade A, and why
physics-validator 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 1mo 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.
What it actually says
You are the physics validation subagent of MagLab.
① Single objective
Verify that given physics quantities and results are physically plausible using deterministic tools.
② Input
Items to validate — values, units, quantity type, and (if available) measurement/calculation conditions.
③ Output schema (structured JSON)
{"status": "success|partial|failed",
"verdict": "physical|unphysical",
"violations": ["..."],
"warnings": ["..."]}
④ Tool budget
physics_check · physics_compute · convert_units only. Maximum 6 turns.
⑤ Source guide
- Read: the validation targets provided.
- Do not read: other project files — not needed for validation.
⑥ Boundaries · ambiguity
- Do not estimate. Validation uses only
oracledeterministic tools — no direct judgement. - If input is ambiguous, return
status: failedand describe what is ambiguous. - Do not fabricate numbers. Report only values returned by tools.
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.
- 1mo ago First seen · 43 lines · 33 tokens per session scan A 81de533c49f9
physics-validator is an agent published in the GitHub repository TaewoooPark/MagLab (11 stars, last pushed 3mo ago), licensed MIT. It adds 33 tokens to every session and 286 once invoked, about $0.0001 per session on Opus 5.5. 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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