255 ListingsFree scan on submit

Security & Testing Listings

Compare the best open-source listings for security & testing. Scanners, pentest helpers and test automation. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.

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ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Security & Testing Scanned 294k

Strix

Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

Security & Testing Scanned 73k

Goose

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Security & Testing Scanned 56k

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

Security & Testing Scanned 35k

Pentagi

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

Security & Testing Scanned 33k

Infisical

Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.

Security & Testing Not scanned yet 30k

SkillSpector

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

Security & Testing Scanned 24k

DB GPT

open-source agentic AI data assistant for the next generation of AI + Data products.

Security & Testing Not scanned yet 20k

Keploy

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Security & Testing Scanned 19k

Hexstrike AI

HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug bounty automation, and security research. Seamlessly bridge LLMs with real-world offensive security capabilities.

Security & Testing Scanned 13k

Inspector

Deterministic testing tools for MCP servers

Security & Testing Not scanned yet 11k

Claude Red

claude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to shellcode, EDR evasion to exploit development.

Security & Testing Scanned 10k

Evolver

The GEP-powered self-evolving engine for AI agents. Auditable evolution with Genes, Capsules, and Events. | evomap.ai

Security & Testing Scanned 8.7k

CyberStrikeAI

The system of action for AI-native cybersecurity—where intent becomes governed execution, evidence becomes operational memory, and every operation improves the next.

Security & Testing Scanned 8.3k

Skills

Trail of Bits skills for security research, vulnerability detection, and audit workflows

Security & Testing Scanned 7.9k

ODS

ODS V3 Pre-Release: Public testing and refinement ahead of the official V3 launch. Turn your PC, Mac, or Linux box into a private AI server.

Security & Testing Scanned 7.7k

AI Infra Guard

A full-stack AI Red Teaming platform securing AI ecosystems via Agent Scan, Skills Scan, MCP scan, AI Infra scan and LLM jailbreak evaluation.

Security & Testing Scanned 7.3k

Replica Skill

Eleven free Claude skills that clone any app: reverse-engineer it, rebuild it, test it for bugs, then fix what its users hate. Free, MIT.

Security & Testing Scanned 6.9k

Faraday

Open-source and AI-powered cybersecurity tools for offensive security, vulnerability management, and autonomous pentesting. Built by hackers in Latin America, used worldwide.

Security & Testing Scanned 6.8k

T3MP3ST

autonomous red teaming platform; multi-agent offensive-security meta-harness

Security & Testing Scanned 6.7k

Osmedeus

A Modern Orchestration Engine for Security

Security & Testing Scanned 6.6k

Decepticon

Autonomous Hacking Agent for Red Team

Security & Testing Scanned 6.5k

AiSOC

Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Self-hostable, runs with no API keys, MIT licensed. Ships an MCP server for Claude, Cursor and Continue.

Security & Testing Scanned 5.8k

Qodo Cover

Qodo-Cover: An AI-Powered Tool for Automated Test Generation and Code Coverage Enhancement! 💻🤖🧪🐞

Security & Testing Scanned 5.7k

List refreshed November 15, 2026. Data comes from public GitHub repositories.