Anthropic Cybersecurity Skills (communautaire)
A library of over 800 cybersecurity skills in the agentskills.io format (817 per the repository description, 818 in its README, read on 4 November 2026), each describing the workflow of a security task and mapped to frameworks such as MITRE ATT&CK and NIST CSF 2.0. Apache 2.0 licence. Community project by an individual maintainer: the repository itself states "Not affiliated with Anthropic PBC". The word Anthropic in the name refers to compatibility with the format, not to an official origin.
Strengths
- A very wide choice of ready-written security procedures, mapped to well-known frameworks
- Apache 2.0 licence, usable for personal and commercial work
Limitations
- No affiliation with Anthropic despite the name, a single maintainer: longevity and review are on you
- The skill count varies by source (754, 817, 818, 833): always quote the dated count from the repository
Best for
- Drawing a specific audit procedure instead of rewriting it, one skill at a time