skill-usage-insights

skill-usage-insights is a skill for Claude Code, Codex from KarhouTam/agent-skills. It costs 82 tokens per session (3,117 once invoked), scanned B, original, no licence file.

An analytics tool that turns recorded repository usage data into dated findings about skills and their supporting scripts and files.

In plain words
What is it for?
It supports decisions to keep, update, or retire skills by analysing collectors for Claude Code hooks and dsh sessions.
Why use it?
It helps reveal which skills are triggered, how many tokens they use, whether sub-skills run, which scripts fail, and which files are unused.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present.

Good fit It supports decisions to keep, update, or retire skills by analysing collectors for Claude Code hooks and dsh sessions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/karhoutam/agent-skills/skill-usage-insights
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 KarhouTam/agent-skills --skill skill-usage-insights
Clone the repo
git clone --depth 1 https://github.com/KarhouTam/agent-skills

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 skill-usage-insights

README.md
[![agentmods](https://agentmods.dev/badge/skills/karhoutam/agent-skills/skill-usage-insights/github.svg)](https://agentmods.dev/skills/karhoutam/agent-skills/skill-usage-insights)
Your own site
<a href="https://agentmods.dev/skills/karhoutam/agent-skills/skill-usage-insights"><img src="https://agentmods.dev/badge/skills/karhoutam/agent-skills/skill-usage-insights/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 skill-usage-insights

Your own site · 80×15
<a href="https://agentmods.dev/skills/karhoutam/agent-skills/skill-usage-insights"><img src="https://agentmods.dev/badge/skills/karhoutam/agent-skills/skill-usage-insights.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,117 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00082 $0.03117
Opus 5.5 $0.00033 $0.01247
Sonnet 5.5 $0.00016 $0.00623
Haiku 4.5 $0.00008 $0.00312

Measured 9d ago against content hash 410e1ab6d527, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

skill-usage-insights scanned grade B 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 9d ago.

The scan reads SKILL.md. This mod also ships 17 executable files (hooks/collect_codex.py, hooks/collect_dsh.py, hooks/collect.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

rewrites up to three files — `~/.claude/settings.json`, `~/.codex/hooks.json`, and
skill-usage-insights/SKILL.md · 202 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 9d ago Changed · +12 lines 410e1ab6d527
  2. 10d ago First seen · 190 lines · 82 tokens per session scan B 8e9d70830ceb

Subscribe to this mod's changes

skill-usage-insights is a skill published in the GitHub repository KarhouTam/agent-skills (2 stars, last pushed 4d ago), with no licence file. It adds 82 tokens to every session and 3,117 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-17.

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