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Anthropic-Cybersecurity-Skills

by mukul975

753+ structured cybersecurity skills for AI agents · MITRE ATT&CK mapped · agentskills.io open standard · Works with Claude Code, GitHub Copilot, OpenAI Codex CLI, Cursor, Gemini CLI & 20+ platforms · Penetration testing, DFIR, threat intel, cloud security & more · Apache 2.0

About

753+ structured cybersecurity skills for AI agents · MITRE ATT&CK mapped · agentskills.io open standard · Works with Claude Code, GitHub Copilot, OpenAI Codex CLI, Cursor, Gemini CLI & 20+ platforms · Penetration testing, DFIR, threat intel, cloud security & more · Apache 2.0

26,238
Stars
823
Skill Files
3,153
Forks
16
PRs Merged
10
Contributors
15
Issues Open
18
Issues Closed
2026-06-26
Last Activity

Skill Analysis

256
Avg Lines / Skill
1,161
Avg Words / Skill
4518
Code Blocks
4507
Total Files
30.19 MB
Repo Size
1453
Reference Files
Skill lines20 min / 255 median / 1383 max
Code languagesapache, bash, c, cedar, cmd, colang, conf, csharp, csv, cypher, dockerfile, eql, esql, graphql, groovy, hcl, html, http, ini, java, javascript, json, kql, kusto, nginx, powershell, python, rego, spl, sql, text, toml, tsv, vql, xml, yaml, yara, zeek
Frontmatter keysabout, assignees, atlas_techniques, author, based_on, d3fend_techniques, description, domain, labels, language, license, mitre_attack, mitre_f3, name, nist_ai_rmf, nist_csf, subdomain, swc_registry, tags, title, version
Has CLAUDE.mdNo
Has LicenseYes
File typesmd (2578), py (1094), yml (8), json (4), ps1 (2), cff (1), png (1)

Skills (825)

Recent Commits

-355 contributions across all repos
JunJulAugSepOctNovDecJanFebMarAprMayJun
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  • 673da1f2026-06-26
    Fix validator: register hardware-firmware-security subdomain, skip .bak dirs
    mukul975
  • 1f5cb122026-06-26
    chore: auto-update index.json and skill count
    mukul975
  • f3a472b2026-06-26
    Merge pull request #85 from nyxst4ck/nyxst4ck/auto-quote-pip-extras-20260621-091605
    Mahipal
  • 4e165f92026-06-26
    Merge pull request #87 from ioxoi/fix/validator-and-disclaimers
    Mahipal
  • 768ca512026-06-22
    chore: bump plugin version to v1.3.0
    mukul975
  • 101ca0b2026-06-22
    chore: auto-update index.json and skill count
    mukul975
  • 8cae0642026-06-22
    Add 55 new skills across 3 new domains + 6 undercovered areas (762 -> 817)
    mukul975
  • 5f5edbb2026-06-22
    Fix validator nested-name misparse, unify with CI, add authorized-use banner
    Homan Ansari
  • 13a1c4a2026-06-22
    chore: auto-update index.json and skill count
    mukul975
  • 51140172026-06-22
    Fix plugin version (1.0.0->1.2.0), sync skill count to 762, automate both
    mukul975