1.usestrix / strix
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
+1,348 stars
from 71,883 · score 7.21
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2.mukul975 / Anthropic-Cybersecurity-Skills
817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0
+392 stars
from 35,012 · score 5.97
3.thomasunise / argus
Open-source agentic security operations platform:
+22 stars
from 96 · score 3.14
4.apache / caldera
Automated Adversary Emulation Platform
+19 stars
from 7,464 · score 3.00
5.flipkart-incubator / Astra
Automated Security Testing For REST API's
+3 stars
from 2,671 · score 1.39
6.guardicore / monkey
Infection Monkey - An open-source adversary emulation platform
+2 stars
from 7,117 · score 1.10
7.MegaManSec / Gixy-Next
Gixy-Next: NGINX Configuration Security Scanner & Performance Checker
+1 stars
from 193 · score 0.69