A troubleshooting guide for uv, a tool that installs and manages Python packages. It covers stale cached files, installation failures, and updating packages.

Use it to investigate uv cache problems, failed package installations, and package update issues.

It helps when uv behaves as if it is using old files, cannot install a package, or does not update one as expected.

uv-debug — Skill for Claude Code by WarrenZhu050413

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 WarrenZhu050413/Warren-Claude-Code-Plugin-Marketplace --skill uv-debug

Clone the repo

git clone --depth 1 https://github.com/WarrenZhu050413/Warren-Claude-Code-Plugin-Marketplace

Made for: Claude Code.

Or install claude-context-orchestrator, the plugin that ships this one along with the rest of its 52 skills, 1 hook.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug/github.svg)](https://agentmods.dev/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug)

Your own site

<a href="https://agentmods.dev/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug"><img src="https://agentmods.dev/badge/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug"><img src="https://agentmods.dev/badge/skills/warrenzhu050413/warren-claude-code-plugin-marketplace/uv-debug.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 706 The whole file, excluding the scripts and references it only reads on demand.

Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.

Origin unknown 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.

Model	Per session	Once invoked
Fable 5.1	$0.00023	$0.00706
Opus 5.5	$0.00009	$0.00282
Sonnet 5.5	$0.00005	$0.00141
Haiku 4.5	$0.00002	$0.00071

Measured 2mo ago against content hash c6c181a863a0, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

uv-debug scanned grade C with 1 finding 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 2mo 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

rm -rf build/ dist/ *.egg-info

claude-context-orchestrator/snippets/local/development/uv-debug/SKILL.md · 116 lines

The source is not reproduced here

No licence file

Read it on GitHub

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

2mo ago First seen · 116 lines · 23 tokens per session scan C c6c181a863a0

Subscribe to this mod's changes

uv-debug is a skill published in the GitHub repository WarrenZhu050413/Warren-Claude-Code-Plugin-Marketplace (7 stars, last pushed 9mo ago), with no licence file. It adds 23 tokens to every session and 706 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Debugging Languages Python

uv-debug next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
uv-debugWarrenZhu050413/Warren-Claude-Code-Plugin-Marketplace	Skill	7	9mo ago	none	C	23	Claude Code
python-code-qualitymicrosoft/agent-framework	Skill	15k	yesterday	MIT	A	40	Claude Code, Codex
plugin-architecture-patternsxberg-io/xberg	Skill	9.5k	yesterday	MIT	A	15	Claude Code
test-corpusxberg-io/xberg	Skill	9.5k	yesterday	MIT	A	15	Claude Code, Codex
stack-trace-python-probeopensquilla/opensquilla	Skill	7.1k	6d ago	Apache-2.0	A	40	Claude Code
idapythonmrexodia/ida-pro-mcp	Skill	13k	1mo ago	MIT	A	77	Claude Code
memory-optimizationbenchflow-ai/skillsbench	Skill	1.9k	3d ago	Apache-2.0	A	60	Claude Code, Codex

uv-debug

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade C, and why

Recursive force deletehighDestructive command

The source is not reproduced here

No licence file

What ships with it

What this file has done since we first saw it

uv-debug compared with skills from other repositories