# Anthropic-Cybersecurity-Skills | Mahipal | Knowledge Base | Instagit 754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0 GitHub Stars: 7.7k Repository: https://github.com/mukul975/Anthropic-Cybersecurity-Skills --- ## Articles ### [Key Capabilities Covered in the Cloud Security Domain of Anthropic Cybersecurity Skills](/mukul975/Anthropic-Cybersecurity-Skills/what-are-the-key-capabilities-covered-in-the-cloud-security-domain) Explore key cloud security capabilities in Anthropic Cybersecurity Skills: multi-cloud hardening across AWS Azure GCP, automated misconfiguration detection with CSPM, and cloud forensics for incident response. - Tags: deep-dive - Published: 2026-05-24 ### [Where to Find MITRE ATT&CK Coverage Details in the Anthropic Cybersecurity Skills Repository](/mukul975/Anthropic-Cybersecurity-Skills/where-can-i-find-the-mitre-attack-coverage-details-for-the-repository) Discover MITRE ATT&CK coverage details in the Anthropic Cybersecurity Skills repository. Find tactical overviews and gap analysis matrices in markdown files. - Tags: getting-started - Published: 2026-05-24 ### [Token Usage for Discovery and Full Workflow Loading with agentskills.io](/mukul975/Anthropic-Cybersecurity-Skills/what-is-the-token-usage-for-discovery-and-full-workflow-loading-with-agentskills-io) Understand agentskills.io token usage costs: ~30 tokens for skill discovery and 500-2000 tokens for full workflow loading. Optimize your API calls. - Tags: how-to-guide - Published: 2026-05-24 ### [How AI Agents Can Search All 754 Skills Without Exceeding Context Windows](/mukul975/Anthropic-Cybersecurity-Skills/how-can-ai-agents-search-all-754-skills-without-exceeding-context-windows) Discover how AI agents can efficiently search 754 cybersecurity skills by leveraging progressive disclosure and compact metadata to overcome context window limitations. - Tags: how-to-guide - Published: 2026-05-24 ### [OT/ICS Security Skills in Anthropic's Cybersecurity Library: Complete Technical Reference](/mukul975/Anthropic-Cybersecurity-Skills/what-kind-of-skills-are-available-in-the-ot-ics-security-domain) Explore OT/ICS security skills covering asset discovery, segmentation, and incident response. This technical reference maps to MITRE ATT&CK and NIST CSF 2.0 frameworks. - Tags: technical-reference - Published: 2026-05-24 ### [Examples of Digital Forensics Skills in the Anthropic Cybersecurity Skills Repository](/mukul975/Anthropic-Cybersecurity-Skills/what-are-some-examples-of-skills-within-the-digital-forensics-domain) Explore Digital Forensics skills in the Anthropic Cybersecurity Skills repository. Discover examples of automated tasks like memory analysis, artifact parsing, and timeline reconstruction. - Tags: deep-dive - Published: 2026-05-24 ### [How to Use the ATT&CK Navigator Layer File to Visualize Skill Coverage](/mukul975/Anthropic-Cybersecurity-Skills/can-i-use-the-attack-navigator-layer-file-to-visualize-skill-coverage) Visualize your cybersecurity skill coverage using the ATT&CK Navigator layer file. Easily map detection gaps and strengths with this interactive heatmap. - Tags: how-to-guide - Published: 2026-05-24 ### [How Anthropic Cybersecurity Skills Align with the NIST AI Risk Management Framework](/mukul975/Anthropic-Cybersecurity-Skills/how-do-skills-align-with-nist-ai-risk-management-framework-ai-rmf) Discover how Anthropic Cybersecurity Skills map to the NIST AI Risk Management Framework AI RMF. Filter security workflows by Govern, Map, Measure, and Manage functions. - Tags: deep-dive - Published: 2026-05-24 ### [How Cybersecurity Skills Are Mapped to MITRE D3FEND Defense Strategies](/mukul975/Anthropic-Cybersecurity-Skills/how-are-cybersecurity-skills-mapped-to-mitre-d3fend-for-defense-strategies) Discover how cybersecurity skills link to MITRE D3FEND techniques. AI agents use this mapping for efficient, context-aware defense without loading full skill data. - Tags: how-to-guide - Published: 2026-05-24 ### [How Many Skills Are Mapped to MITRE ATLAS for AI-Driven Attack Simulations?](/mukul975/Anthropic-Cybersecurity-Skills/what-is-the-coverage-of-skills-mapped-to-mitre-atlas-for-ai-driven-attack-simulations) Discover the coverage of skills mapped to MITRE ATLAS. Explore 81 distinct skills in the Anthropic Cybersecurity Skills repository for AI-driven attack simulations. - Tags: deep-dive - Published: 2026-05-24 ### [How Skills Integrate with NIST CSF 2.0 for Compliance Mapping](/mukul975/Anthropic-Cybersecurity-Skills/how-do-skills-integrate-with-nist-csf-2-0-for-compliance-mapping) Map NIST CSF 2.0 compliance easily. Anthropic Cybersecurity Skills integrates compliance directly into skill metadata for automated evidence collection and gap analysis. Streamline your cybersecurity. - Tags: how-to-guide - Published: 2026-05-24 ### [How Are Skills Mapped to MITRE ATT&CK for Adversary Emulation in Anthropic-Cybersecurity-Skills](/mukul975/Anthropic-Cybersecurity-Skills/how-are-skills-mapped-to-mitre-attack-for-adversary-emulation) Learn how skills map to MITRE ATT&CK for adversary emulation in the Anthropic-Cybersecurity-Skills repository using static dictionaries, dynamic STIX lookups, and explicit scenario mappings. - Tags: how-to-guide - Published: 2026-05-24 ### [Where to Find Helper Scripts for Executing Anthropic Cybersecurity Skills](/mukul975/Anthropic-Cybersecurity-Skills/where-can-i-find-helper-scripts-for-executing-anthropic-cybersecurity-skills) Find helper scripts for executing Anthropic Cybersecurity Skills easily. Access ready-to-run scripts in the mukul975/Anthropic-Cybersecurity-Skills repository, starting with agent.py. - Tags: how-to-guide - Published: 2026-05-24 ### [Understanding the SKILL.md File in the Anthropic Cybersecurity Skills Directory Structure](/mukul975/Anthropic-Cybersecurity-Skills/what-is-the-purpose-of-the-skill-md-file-in-the-skill-directory-structure) Learn the purpose of the SKILL.md file in the Anthropic Cybersecurity Skills Directory. This metadata descriptor and documentation guide is essential for analysts and automated tooling. - Tags: internals - Published: 2026-05-24 ### [Directory Structure for Each Skill in the Anthropic Cybersecurity Skills Repository](/mukul975/Anthropic-Cybersecurity-Skills/what-is-the-directory-structure-for-each-skill-in-the-repository) Explore the Anthropic Cybersecurity Skills Repository directory structure. Learn how each skill under skills// is organized with metadata, scripts, and API references for easy discovery and execution. - Tags: how-to-guide - Published: 2026-05-24 ### [Most Covered Security Domains in the Anthropic Cybersecurity Skills Repository](/mukul975/Anthropic-Cybersecurity-Skills/what-are-the-most-covered-security-domains-in-anthropic-cybersecurity-skills-repository) Discover the most covered security domains in the Anthropic Cybersecurity Skills repository. Learn about defense evasion and persistence techniques. - Tags: deep-dive - Published: 2026-05-24 ### [Markdown Body Sections Defined by the agentskills.io Standard for Skills](/mukul975/Anthropic-Cybersecurity-Skills/what-are-the-markdown-body-sections-defined-by-agentskills-io-standard-for-skills) Discover the four essential markdown body sections When to Use, Prerequisites, Workflow, and Verification defined by the agentskills.io standard for creating machine-readable skill files. - Tags: api-reference - Published: 2026-05-24 ### [How Progressive Disclosure Architecture Works with the agentskills.io Standard](/mukul975/Anthropic-Cybersecurity-Skills/how-does-progressive-disclosure-architecture-work-with-agentskills-io-standard) Learn how progressive disclosure architecture works with agentskills.io. AI agents scan skill summaries and load full implementations only when needed, overcoming context limits and accessing detailed playbooks. - Tags: architecture - Published: 2026-05-24 ### [agentskills.io Skill Frontmatter: 9 Key Metadata Fields Explained](/mukul975/Anthropic-Cybersecurity-Skills/what-are-the-key-metadata-fields-in-agentskills-io-skill-frontmatter) Discover the 9 essential metadata fields in agentskills.io skill frontmatter. Learn about name, description, domain, tags and more to optimize your cybersecurity skills. - Tags: deep-dive - Published: 2026-05-24 ### [YAML Frontmatter Structure for Anthropic Cybersecurity Skills: Complete Schema Guide](/mukul975/Anthropic-Cybersecurity-Skills/what-is-the-yaml-frontmatter-structure-for-anthropic-cybersecurity-skills) Learn the YAML frontmatter structure for Anthropic Cybersecurity Skills using the agentskills.io standard. Discover metadata essentials for AI agent discovery, filtering, and ranking. - Tags: api-reference - Published: 2026-05-24 ### [How the agentskills.io Standard Structures Cybersecurity Skills for AI Agents](/mukul975/Anthropic-Cybersecurity-Skills/how-does-agentskills-io-standard-structure-cybersecurity-skills-for-ai-agents) Discover how agentskills.io structures cybersecurity skills for AI agents using a machine-readable directory. Learn how AI agents find and execute security workflows efficiently. - Tags: architecture - Published: 2026-05-24