uv-python-workflow

uv-python-workflow is a skill for Claude Code, Codex from mitodl/agent-kit. It costs 52 tokens per session (397 once invoked), scanned A, original, BSD-3-Clause.

A set of rules for using uv, a Python tool that manages project packages and isolated environments.

In plain words
What is it for?
Use it when adding or removing Python dependencies, syncing an environment, running commands, building Docker images, or running pre-commit and type checks.
Why use it?
It prevents different package-management methods from being mixed and makes setup, checks, scripts, and container builds follow one workflow.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when adding or removing Python dependencies, syncing an environment, running commands, building Docker images, or running pre-commit and type checks.

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Install with agentmods
npx agentmods add skills/mitodl/agent-kit/uv-python-workflow
Install

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.

Any agent
npx skills add mitodl/agent-kit --skill uv-python-workflow
Clone the repo
git clone --depth 1 https://github.com/mitodl/agent-kit

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for uv-python-workflow

README.md
[![agentmods](https://agentmods.dev/badge/skills/mitodl/agent-kit/uv-python-workflow/github.svg)](https://agentmods.dev/skills/mitodl/agent-kit/uv-python-workflow)
Your own site
<a href="https://agentmods.dev/skills/mitodl/agent-kit/uv-python-workflow"><img src="https://agentmods.dev/badge/skills/mitodl/agent-kit/uv-python-workflow/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.

agentmods 80×15 button for uv-python-workflow

Your own site · 80×15
<a href="https://agentmods.dev/skills/mitodl/agent-kit/uv-python-workflow"><img src="https://agentmods.dev/badge/skills/mitodl/agent-kit/uv-python-workflow.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 397 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00052 $0.00397
Opus 5.5 $0.00021 $0.00159
Sonnet 5.5 $0.00010 $0.00079
Haiku 4.5 $0.00005 $0.00040

Measured 16d ago against content hash b77a99031394, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

uv-python-workflow 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 16d 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.

skills/python/uv-python-workflow/SKILL.md · 53 lines

What it actually says

uv Python Workflow

All Python dependency and environment management in this codebase uses uv exclusively.

Package management

  • Add dependencies: uv add <package>
  • Remove dependencies: uv remove <package>
  • Install/sync the current project: uv sync
  • Run a command inside the project environment: uv run <command>
  • Never use pip install, pip-compile, or bare python -m venv.

Workspace layout

Projects may be organized as a uv workspace. Code locations managed by dg do not use uv workspaces — they rely on the dg workspace instead.

Docker / container images

When building a Python app inside a Docker image, create a relocatable virtual environment so it works after the image layers are assembled:

RUN uv venv --relocatable /app/.venv
RUN uv sync --frozen --no-dev

Do not mount ol-orchestrate-lib (or any shared library) as a volume at runtime. Shared libraries are installed as build-time dependencies only.

Running hooks and type checks

uv run prek run --all-files
uv run mypy <package>

prek is pinned in the project's prek dependency group, which dev includes, so uv sync installs it. A project that still declares pre-commit instead runs uv run pre-commit run --all-files.

Changes

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.

  1. 16d ago Changed · +4 lines b77a99031394
  2. 1mo ago First seen · 49 lines · 52 tokens per session scan A 0ac1dfd00fa8

Subscribe to this mod's changes

uv-python-workflow is a skill published in the GitHub repository mitodl/agent-kit (5 stars, last pushed yesterday), licensed BSD-3-Clause. It adds 52 tokens to every session and 397 once invoked, about $0.0002 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 2026-08-31.

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