agent-development

70High

The skill violates instruction boundaries to override system prompts and fails to adhere to mandatory naming conventions and licensing requirements.

Threat Analysis

AI Agent Traps ↗Scanned 6/29/2026
Semantic ManipulationReasoningclean
Cognitive StateMemory & Learningclean
SystemicMulti-Agent Dynamicsclean
Human-in-the-LoopHuman Overseerclean
HygienePackaging & Manifest2 findings

Skill Info

Nameanthropics/claude-code/agent-development
Registrygithub
Version01f1617f1445
PURLpkg:github/anthropics/claude-code@01f1617f1445?skill=agent-development
Stars134,979
Installs14,900

Install

This skill has been flagged as potentially malicious. Review the findings below before installing.
GitHub
GitHub
14,900 installs
Skills.sh
Skills.shDocs
npx skills add https://github.com/anthropics/claude-code

Assessments (2)

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

Instruction boundary manipulation detected

95% confidenceline 162
## System Prompt Design

The markdown body becomes the agent's system prompt
Invalid skill name formatlowpolicy violation

Skill name does not conform to the Agent Skills spec: 1–64 lowercase alphanumeric characters and hyphens, with no leading, trailing, or consecutive hyphens.

100% confidence
Agent Development
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-code/agent-development.svg)](https://mondoo.com/ai-agent-security/skills/github/anthropics/claude-code/agent-development)
HTML
<a href="https://mondoo.com/ai-agent-security/skills/github/anthropics/claude-code/agent-development"><img src="https://mondoo.com/ai-agent-security/api/badge/github/anthropics/claude-code/agent-development.svg" alt="Mondoo Skill Check" /></a>
Image URL
https://mondoo.com/ai-agent-security/api/badge/github/anthropics/claude-code/agent-development.svg

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