agent-development

70High

The skill attempts to manipulate instruction boundaries to override system prompts, posing a significant risk of unauthorized behavior and prompt injection.

Threat Analysis

AI Agent Traps ↗Scanned 6/29/2026
Semantic ManipulationReasoningclean
Cognitive StateMemory & Learningclean
SystemicMulti-Agent Dynamicsclean
Human-in-the-LoopHuman Overseerclean
HygienePackaging & Manifest1 finding

Skill Info

Nameanthropics/claude-plugins-official/agent-development
Registrygithub
Version315339817c4e
PURLpkg:github/anthropics/claude-plugins-official@315339817c4e?skill=agent-development
Stars31,307
Installs4,000

Install

This skill has been flagged as potentially malicious. Review the findings below before installing.
GitHub
GitHub
4,000 installs
Skills.sh
Skills.shDocs
npx skills add https://github.com/anthropics/claude-plugins-official

Assessments (2)

AI Agent Traps ↗
Instruction boundary manipulation detectedhighinstruction boundaryAML.T0051AML.T0051.000AML.T0051.001AML.T0054LLM01:2025

Instruction boundary manipulation detected

95% confidenceline 142
## System Prompt Design

The markdown body becomes the agent's system prompt
Missing licenseinfopolicy violation

Skill does not specify a license field. Specifying a license helps users understand usage terms.

100% confidence

Badge

Skill Check badge
Markdown
[![Mondoo Skill Check](https://mondoo.com/ai-agent-security/api/badge/github/anthropics/claude-plugins-official/agent-development.svg)](https://mondoo.com/ai-agent-security/skills/github/anthropics/claude-plugins-official/agent-development)
HTML
<a href="https://mondoo.com/ai-agent-security/skills/github/anthropics/claude-plugins-official/agent-development"><img src="https://mondoo.com/ai-agent-security/api/badge/github/anthropics/claude-plugins-official/agent-development.svg" alt="Mondoo Skill Check" /></a>
Image URL
https://mondoo.com/ai-agent-security/api/badge/github/anthropics/claude-plugins-official/agent-development.svg

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