Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/fanfan-de/anyboxnpx agentmods add skills/fanfan-de/anybox/texlive-runtime-installerWrote 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/fanfan-de/anybox/texlive-runtime-installer)<a href="https://agentmods.dev/skills/fanfan-de/anybox/texlive-runtime-installer"><img src="https://agentmods.dev/badge/skills/fanfan-de/anybox/texlive-runtime-installer/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/skills/fanfan-de/anybox/texlive-runtime-installer"><img src="https://agentmods.dev/badge/skills/fanfan-de/anybox/texlive-runtime-installer.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00040 | $0.00317 |
| Opus 5 | $0.00020 | $0.00159 |
| Sonnet 5 | $0.00008 | $0.00063 |
| Haiku 4.5 | $0.00004 | $0.00032 |
Grade A, and why
texlive-runtime-installer 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 9d 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
TeX Live Runtime Installer
Use this skill when the user asks to install or repair LaTeX support for Codex.
Default behavior is detect-only:
python3 scripts/install_texlive.py
The script exits without installing when it detects an existing TeX Live or MacTeX installation.
Full Managed Install
Only run the full install after the user explicitly confirms they want Codex to download and run the TeX Live installer. The install is large and can take a long time.
python3 scripts/install_texlive.py --install-managed-full
The managed runtime is installed under:
~/.cache/codex-runtimes/codex-texlive/full
The installer does not use sudo, does not write /Library/TeX, does not write /usr/local/texlive, and does not modify shell startup files.
Force Mode
If an existing TeX installation is partial or broken and the user still wants a separate managed runtime:
python3 scripts/install_texlive.py --install-managed-full --force-managed
Do not use force mode unless the user explicitly asks for it.
Safety
Running --install-managed-full downloads and runs the upstream TeX Live installer. Ask for confirmation immediately before running that command.
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.
- 9d ago First seen · 47 lines · 40 tokens per session scan A c88de54e8b13
texlive-runtime-installer is a skill published in the GitHub repository fanfan-de/anybox (57 stars, last pushed 1mo ago), licensed MIT. It adds 40 tokens to every session and 317 once invoked, about $0.0002 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 2026-09-03.
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