SkillSpector — What is it?

SkillSpector is a security scanner designed to detect vulnerabilities and malicious patterns in AI agent skills, ensuring safe installation.

⭐ 12,939 Stars 🍴 1,056 Forks Python Apache-2.0 Author: NVIDIA
Source: README View on GitHub →

Why it matters

SkillSpector is gaining attention due to its comprehensive vulnerability detection capabilities for AI agent skills, addressing the critical need for security in AI applications. Its multi-format input support, extensive vulnerability patterns, and optional LLM semantic analysis make it a unique tool in the AI security space.

Source: Synthesis of README and project traits

Core Features

Multi-format input

Supports scanning of Git repos, URLs, zip files, directories, and single files, providing flexibility in skill analysis.

Source: README Features
64 vulnerability patterns

Detects a wide range of security risks across 16 categories, including prompt injection, data exfiltration, and privilege escalation.

Source: README Features
Two-stage analysis

Combines fast static analysis with optional LLM semantic evaluation for thorough skill assessment.

Source: README Features
Live vulnerability lookups

Integrates with OSV.dev for real-time CVE data and provides offline fallback for offline use.

Source: README Features
Risk scoring

Assigns a 0-100 score with severity labels and clear recommendations, aiding in decision-making.

Source: README Features

Architecture

SkillSpector's architecture is modular, with a clear separation of concerns. It features a command-line interface for user interaction, a core analysis engine for vulnerability detection, and integration with various LLM providers for semantic analysis. The codebase is organized into modules for different analysis tasks, and it leverages various Python libraries for tasks like HTTP requests, YAML parsing, and model management.

Source: Code tree + dependency files

Project Knowledge Graph

Knowledge graph: project (center) + core features (inner hexagons) + key dependencies (outer chips) typer rich httpx pyyaml pydantic Multi-format input 64 vulnerability patterns64 vulnerability pa… Two-stage analysis Live vulnerability lookupsLive vulnerability… Risk scoring SkillSpector Project Core feature Key dependency

Center: project; inner ring: core feature modules; outer ring: key dependencies. Auto-generated from core_features and tech_stack.key_deps.

Tech Stack

LanguagePythonFrameworkTyper, Rich, HTTPx, PyYAML, Pydantic, OpenAI, Langgraph, Langchain, Langsmith, Yara-python
typerrichhttpxpyyamlpydanticopenailanggraphlangchainlangsmithyara-python
Docker
Source: Dependency files + code tree

Quick Start

git clone https://github.com/NVIDIA/skillspector.git cd skillspector uv venv .venv && source .venv/bin/activate make install skillspector scan ./my-skill/
Source: README Installation/Quick Start

Use Cases

SkillSpector is suitable for developers and security analysts working on AI applications. It can be used to scan AI agent skills before deployment, ensuring they are free from known vulnerabilities and malicious patterns. This is particularly useful in environments where AI agents are used for critical tasks, such as in finance, healthcare, or autonomous systems.

Source: README

Strengths & Limitations

Strengths

  • Strength 1: Comprehensive vulnerability detection
  • Strength 2: Flexible input formats
  • Strength 3: Integration with LLMs for semantic analysis

Limitations

  • Limitation 1: Alpha stage, may have bugs or incomplete features
  • Limitation 2: Dependency on external LLM providers for full functionality
Source: Synthesis of README, code structure and dependencies

Latest Release

2.2.3, No release date provided, Main changes not specified

Source: GitHub Releases

Verdict

SkillSpector is a promising tool for AI security, offering a comprehensive approach to detecting vulnerabilities in AI agent skills. Its modular architecture and integration with LLMs provide a strong foundation for future development. It is particularly suitable for teams that require robust security checks for their AI applications.

Frequently Asked Questions

What is SkillSpector?

SkillSpector is a security scanner designed to detect vulnerabilities and malicious patterns in AI agent skills, ensuring safe installation.

What are the main features of SkillSpector?

SkillSpector's core features include: Multi-format input, 64 vulnerability patterns, Two-stage analysis, Live vulnerability lookups, Risk scoring.

Why is SkillSpector trending?

SkillSpector is gaining attention due to its comprehensive vulnerability detection capabilities for AI agent skills, addressing the critical need for security in AI applications.

What is SkillSpector used for?

SkillSpector is suitable for developers and security analysts working on AI applications.

Transparency Notice
This page is auto-generated by AI (a large language model) from the following public materials: GitHub README, code tree, dependency files and release notes. Analyzed at: 2026-06-18 18:32. Quality score: 85/100.

Data sources: README, GitHub API, dependency files