256 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.

AllCoding AgentsDeveloper ToolsData Science & MLProductivity & WorkflowResearch & AnalysisBrowser AutomationWeb Scraping & DataDatabase ManagementSecurity & TestingDeployment & DevOpsCloud InfrastructureDesign & MediaContent & WritingMarketing AutomationFinance & TradingCommunicationSEO & AI SearchSocial MediaJob Search & CareersSales & CRME-commerceCrypto & Web3Gaming & Game DevSmart Home & IoTLearning ResourcesOther

Signet

Cryptographic trust and authorization evidence for AI agents. Every action a receipt, every grant a proof.

Security & Testing Scanned 40

Atlas

Open-source local AI Agent desktop app for authorized security assessment — Electron + Mastra-powered runtime, visual pentest workflow, Kali sandbox, multi-provider LLM routing. 本地 AI 安全评估智能体桌面应用

Security & Testing Not scanned yet 40

MCPSecBench

MCPSecBench: A Systematic Security Benchmark and Playground for Testing Model Context Protocols

Security & Testing Scanned 40

R20 Glebis Claude Skills Security

🔒 Security & Compliance skill suite derived from glebis/claude-skills.

Security & Testing Not scanned yet 40

Claude Code Tauri Skills

Comprehensive Claude Code skills for Tauri v2 development - 39 skills covering setup, security, development, distribution, and more

Security & Testing Not scanned yet 36

AgentLeak

AgentLeak (IEEE Access 2026): benchmark for internal-channel privacy leakage in multi-agent LLM systems. Inter-agent messages leak 68.8% vs 27.2% in final outputs; output-only audits miss 41.7%. 1,000 scenarios, 7 channels, 5 LLMs. Tool & MCP server: github.com/yagobski/agentleak

Security & Testing Not scanned yet 35

PentestPi

Autonomous Penetration Testing Agent Framework with External State Memory & Anti-False-Falsification Guardrails.

Security & Testing Scanned 33

Grantex

grantex is the identity, authorization, and audit infrastructure for AI agents — the "OAuth moment" for the agentic internet. We provide a universal SDK and cloud service that lets any AI agent act on behalf of a human with scoped, revocable permissions, cryptographic identity, and an immutable audit trail. Developers integrate in minutes.

Security & Testing Not scanned yet 33

MCP Cve Project

The Project shares all information on MCP related CVE's published

Security & Testing Not scanned yet 30

Toolhive Registry Server

Discover, govern and control access to MCP servers and agent skills across your organization

Security & Testing Scanned 29

CyberPenda

Local-first pentest agent: Go daemon + React dashboard + Codex/Claude Code/Pi runtimes, scoped projects, Blackboard, sandbox runners

Security & Testing Scanned 28

Claude Code Skills

Скиллы для Claude Code: дисциплинированный пайплайн разработки и два пред-запусковых аудита — сайта и безопасности приложения

Security & Testing Scanned 27

Openqa

Agentic Testing Harness

Security & Testing Not scanned yet 26

Claude Security Skills

Claude Code security skills: /security-review, /full-scan, /security-scan — with test harness and fixtures

Security & Testing Not scanned yet 25

Claude Skills

Claude Skills for every role: 164 Claude Code skills (Agent Skills) for PM, QA, engineering, design, DevOps, sales, marketing and more. Install as a plugin.

Security & Testing Scanned 24

Hoot

MCP Testing Tool — Like Postman, but for the Model Context Protocol.

Security & Testing Scanned 22

Claude Skills

Battle-tested Claude Code skills for hardening vibe-coded projects. Audit, clean, and ship AI-generated codebases with confidence.

Security & Testing Scanned 22

Agent Discover Scanner

The industry-standard Agentic Identity & Inventory Scanner. Automatically inventory autonomous agents (LangChain, AutoGen, CrewAI, PydanticAI) using static analysis, network heuristics, and eBPF. Foundational tool for AIBOM compliance and AgentOps governance.

Security & Testing Scanned 22

Claude Security Skills

25 production-tested defensive security skills for Claude Code - WordPress, VPS, Cloudflare, Next.js hardening, AI agent guardrails, MCP security, prompt injection defense, OWASP LLM Top 10, LLM coding failure modes (slopsquatting, hallucinated APIs, sycophancy), incident response, GDPR/DACH compliance. MIT, battle-tested.

Security & Testing Scanned 21

Agentshield

🛡️ The security firewall for AI agent tools & MCP servers (Claude 5, GPT-5.6, Gemini 3.8, Antigravity, Cursor, Codex, Hermes). Catch command injection, secret theft & toxic flows in <50ms. 100% offline Rust SAST + 1-click auto-fix + SARIF.

Security & Testing Not scanned yet 21

Agenttrust

Enterprise Zero-Trust AI Security & Governance Gateway: Real-Time Prompt Injection Defense, Action Scoping, HITL Approvals, Post-Quantum Merkle Audit & EU AI Act Compliance for Autonomous Agent Swarms.

Security & Testing Not scanned yet 20

Claude Skills

A Claude Code plugin marketplace for open-source maintainers — README heroes, README audits, and .NET test-coverage backfills.

Security & Testing Scanned 20

Prompt Shield

Prompt-injection firewall for LLM applications — 33 input detectors, 9 output scanners, federated ed25519-signed threat-intel feed. Apache 2.0, 1040 tests, F1 96.0% with 0% false positives. Docker, GitHub Action, LangChain/LlamaIndex/CrewAI integrations.

Security & Testing Scanned 18

Mcpflo

A visual testing tool for MCP (Model Context Protocol) servers — connect, browse capabilities, and inspect tools, resources, and prompts. Think Bruno, but for MCP.

Security & Testing Scanned 17

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