by HOL
Local, open-source policy layer that reviews a coding agent's commands, file reads, package installs and MCP calls before they run — allowing, asking or blocking each action.
Best for: Developers running coding agents who want a human checkpoint before an agent touches files, packages or credentials
Pricing: Open Source
Limitation: Review prompts add friction by design — every flagged action waits on you
by CVEngine
Free, self-hosted attack-surface platform that discovers everything a domain exposes, matches exploited CVEs against what it actually runs, and triages each finding with AI plus read-only validation.
Best for: Security teams and owners who want to find and prioritise their own internet-exposed weaknesses
Pricing: Open Source
Limitation: Only for systems you own or are authorised to test
by BotGauge
Red-teaming platform for AI agents — it attacks your agent with 200+ adversarial strategies, traces the exact prompts, tool calls and execution path behind each failure, and turns findings into evals for every future release.
Best for: Teams shipping AI agents who need adversarial testing before release
Pricing: Freemium
Limitation: Pay-per-test pricing means heavy red-teaming runs add up
by Plango
Native macOS security suite for developers running AI coding agents: restricts agent access to sensitive files and secrets, watches network activity, scans skills and projects, all judged by a local AI security model
Best for: Developers running AI coding agents on a Mac who want agent access under control
Pricing: Freemium
Limitation: Mac only — Apple silicon, macOS 15 or newer, and at least 16 GB of memory
by Tumeryk
Enterprise platform that scores and governs AI agents, copilots, and models in real time.
Best for: Tumeryk delivers enterprise-grade trust and security for agentic and conversational AI.
Pricing: Paid
Limitation: Enterprise-only focus; no self-serve free tier
by Varonis
AI-powered data security platform discovering, classifying, and protecting sensitive data everywhere.
Best for: Security
Pricing: Paid
Limitation: Pricing not published