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.
npx skills add leonardodalinky/SciDER --skill uv-package-managergit clone --depth 1 https://github.com/leonardodalinky/SciDERWrote 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/leonardodalinky/scider/uv-package-manager)<a href="https://agentmods.dev/skills/leonardodalinky/scider/uv-package-manager"><img src="https://agentmods.dev/badge/skills/leonardodalinky/scider/uv-package-manager/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/leonardodalinky/scider/uv-package-manager"><img src="https://agentmods.dev/badge/skills/leonardodalinky/scider/uv-package-manager.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 | $0.00030 | $0.00370 |
| Opus 5 | $0.00015 | $0.00185 |
| Sonnet 5 | $0.00006 | $0.00074 |
| Haiku 4.5 | $0.00003 | $0.00037 |
Grade A, and why
uv-package-manager 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 10d 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
UV Package Manager
uv is an extremely fast Python package installer (10-100x faster than pip), written in Rust.
Essential Commands
# Virtual environment
uv venv # Create .venv
uv venv --python 3.12 # With specific Python version
uv run python script.py # Run in venv (no activation needed)
uv run pytest # Run CLI tool in venv
# Dependency management (pyproject.toml based)
uv add requests pandas # Add packages
uv add --dev pytest black # Add dev dependencies
uv remove requests # Remove package
uv sync # Install all dependencies from lockfile
uv lock # Create/update lockfile
# pip-compatible interface
uv pip install -r requirements.txt # Install from requirements
uv pip install package_name # Install single package
uv pip list # List installed packages
# Python version management
uv python install 3.12 # Install Python version
uv python pin 3.12 # Pin version for project
Key Patterns
- New project:
uv init . && uv add <deps> && uv run python main.py - Existing project:
uv syncto install all deps from lockfile - Run without activating venv: Always use
uv run <command>instead of activating - Prefer
uv addoveruv pip install— it updates pyproject.toml and lockfile
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.
- 10d ago First seen · 44 lines · 30 tokens per session scan A f2e80f6c2424
uv-package-manager is a skill published in the GitHub repository leonardodalinky/SciDER (88 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 30 tokens to every session and 370 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 2026-08-30.
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