claude-code-hooks

claude-code-hooks is a skill for Claude Code from aiskillstore/marketplace. It costs 38 tokens per session (757 once invoked), scanned A, original, no licence file.

A system for running scripts before or after coding-agent tools execute.

In plain words
What is it for?
It is used to validate actions before they run, perform follow-up tasks, and create audit logs.
Why use it?
It helps check tool requests and record what happened around each tool action.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit It is used to validate actions before they run, perform follow-up tasks…

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Install with agentmods
npx agentmods add skills/aiskillstore/marketplace/claude-code-hooks
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 aiskillstore/marketplace --skill claude-code-hooks
Clone the repo
git clone --depth 1 https://github.com/aiskillstore/marketplace

Made for: Claude Code.

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 claude-code-hooks

README.md
[![agentmods](https://agentmods.dev/badge/skills/aiskillstore/marketplace/claude-code-hooks.svg)](https://agentmods.dev/skills/aiskillstore/marketplace/claude-code-hooks)
Your own site
<a href="https://agentmods.dev/skills/aiskillstore/marketplace/claude-code-hooks"><img src="https://agentmods.dev/badge/skills/aiskillstore/marketplace/claude-code-hooks.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 757 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 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 $0.00038 $0.00757
Opus 5 $0.00019 $0.00378
Sonnet 5 $0.00008 $0.00151
Haiku 4.5 $0.00004 $0.00076

Measured 7d ago against content hash b073ee85912a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

claude-code-hooks scanned grade A 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 7d 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.

Reads agent configuration directorieslowAgent snooping

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

Add to `~/.claude/settings.json` or `.claude/settings.local.json`:

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

skills/0xdarkmatter/claude-code-hooks/SKILL.md · 115 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

Files

What ships with it

4 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.

  1. 7d ago First seen · 115 lines · 38 tokens per session scan A b073ee85912a

Subscribe to this mod's changes

claude-code-hooks is a skill published in the GitHub repository aiskillstore/marketplace (416 stars, last pushed yesterday), with no licence file. It adds 38 tokens to every session and 757 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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