hook-scope-guide

• Outcome: Pass
• Latest audit: Sep 16, 2026 · 9:16 AM UTC
• Version: 1.9.19

Overview

This is a documentation-only skill that explains where to place Claude Code hooks, with relevant safety cautions and no bundled executable behavior.

Review any hook examples before copying them, especially global hooks that run in every Claude Code session. The skill itself is only guidance and does not install or execute those hooks automatically.

A.I.G

Vulnerability Patterns

• Skill Instruction Hijacking: Alters the agent's session goals or safety constraints when the skill loads
• Agent Memory Poisoning: Writes attacker-controlled rules into memory that affect later sessions
• Remote Payload Retrieval and Execution: Fetches external code whose behavior can change after review
• Embedded Malicious Code: Ships malicious scripts inside the skill and executes them locally
• Unauthorized Access and Privilege Escalation: Obtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns

• Data Exfiltration: External Transmission, Env Variable Harvesting, File System Enumeration
• Trigger Abuse: Overly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
• Prompt Injection: Instruction Override, Hidden Instructions, Exfiltration Commands
• Privilege Escalation: Excessive Permissions, Sudo/Root Execution, Credential Access
• Supply Chain: Unpinned Dependencies, External Script Fetching, Obfuscated Code

Findings (5)

Agent Config Directory Access

High

• Category: Agent Snooping
• Confidence: 90% confidence

Finding

Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.

Content

Scanner excerpt · SKILL.md (reported line 31)May include surrounding context.

md

|-------|----------|----------|------------|-------------|
| **Plugin** | `hooks/hooks.json` in plugin | Plugin users | With plugin | When plugin enabled |
| **Project** | `.claude/settings.json` | Team members | Yes (repo) | Per project |
| **Global** | `~/.claude/settings.json` | Only you | Never | All sessions |

## Decision Framework

Agent Config Directory Access

High

• Category: Agent Snooping
• Confidence: 90% confidence

Finding

Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.

Content

Scanner excerpt · SKILL.md (reported line 145)May include surrounding context.

md

|-------|----------|----------|------------|-------------|
| **Plugin** | `hooks/hooks.json` in plugin | Plugin users | With plugin | When plugin enabled |
| **Project** | `.claude/settings.json` | Team members | Yes (repo) | Per project |
| **Global** | `~/.claude/settings.json` | Only you | Never | All sessions |

## Decision Framework

Agent Config Directory Access

High

• Category: Agent Snooping
• Confidence: 90% confidence

Finding

Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.

Content

Scanner excerpt · SKILL.md (reported line 189)May include surrounding context.

md

|-------|----------|----------|------------|-------------|
| **Plugin** | `hooks/hooks.json` in plugin | Plugin users | With plugin | When plugin enabled |
| **Project** | `.claude/settings.json` | Team members | Yes (repo) | Per project |
| **Global** | `~/.claude/settings.json` | Only you | Never | All sessions |

## Decision Framework

Agent Config Directory Access

High

• Category: Agent Snooping
• Confidence: 90% confidence

Finding

Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.

Content

Scanner excerpt · SKILL.md (reported line 205)May include surrounding context.

md

|-------|----------|----------|------------|-------------|
| **Plugin** | `hooks/hooks.json` in plugin | Plugin users | With plugin | When plugin enabled |
| **Project** | `.claude/settings.json` | Team members | Yes (repo) | Per project |
| **Global** | `~/.claude/settings.json` | Only you | Never | All sessions |

## Decision Framework

Vague Triggers

Medium

• Category: Not specified by scanner
• Confidence: 91% confidence

Finding

The manifest trigger authoring a hook is a natural-language phrase broad enough to match general conversation rather than a narrowly scoped invocation. The file does not provide tighter trigger constraints, alternative exact phrases, or exclusion examples to clarify when the skill should or should not activate.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.