Anthropic Cybersecurity Skills
Overview
Open-source library of 817 structured cybersecurity skills for AI coding agents and security workflows.
Anthropic Cybersecurity Skills is an independent, community-created open-source GitHub repository that provides 817 production-grade cybersecurity skills for AI agents. The skills span 29 security domains and follow the agentskills.io open standard. Each skill is mapped to six frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, MITRE D3FEND, NIST AI RMF, and the MITRE Fight Fraud Framework. The repository is designed to be cloned and used with agentic coding and assistant platforms such as Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI, and other compatible platforms. It is not affiliated with Anthropic PBC and is licensed under Apache 2.0.
Product overview
Capabilities, pricing and fit
Despite its repository name, Anthropic Cybersecurity Skills is a third-party community project, not an official Anthropic publication. Its checked repository organizes cybersecurity skills for multiple coding-agent platforms.
Information as of July 30, 2026
What it can do
- Agent application development
The repository provides structured cybersecurity skills mapped to established security frameworks and packaged for use across several AI coding tools.[1]
Where it fits best
- Reviewing reusable cybersecurity workflow definitions for coding agents.[1]
Pricing and availability
Access: Source repository[1]
Important considerations
- The repository is community-maintained and should not be presented as an official Anthropic resource.[1]
Autonomy level
25/100
Our subjective rating of how independently the product carries out its documented tasks, considering the human setup, input, approval and review it needs. This is not a measured success rate.
Comparisons
Custom Comparisons
Some of the use cases of Anthropic Cybersecurity Skills:
- Adding structured cybersecurity knowledge to coding assistants and autonomous development workflows
- Supporting security investigations with mapped skills for threat hunting, detection, response, and analysis
- Helping security teams align AI-assisted workflows with MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF, and MITRE F3
- Providing reusable cybersecurity skills for Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI, and compatible platforms
- Building security-focused agent workflows without creating a skills library from scratch
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Popularity level: 75%
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