mitre-attack

Apache-2.0 library of 818 agentskills.io-format cybersecurity skills in 34 domains, mapped to MITRE ATT&CK, NIST CSF 2.0, ATLAS, D3FEND, NIST AI RMF and F3, for loading into Claude Code, Codex CLI, Cursor and similar agents.

A Center for Threat-Informed Defense knowledge base of tactics, techniques and procedures used by insiders, built from documented incidents and mapped to MITRE ATT&CK. Published in CSV, JSON and ATT&CK Navigator formats under Apache-2.0 to help defenders detect and mitigate insider threats.