# Agentjail

**Source:** https://www.startuphub.ai/startups/agentjail
**Profile type:** Startup

> Policy guardrails for coding agents to block dangerous tool calls before they are fired.

## About

Agentjail offers open-source policy guardrails for coding agents, preventing dangerous tool calls like `rm -rf ~/.ssh` before they execute. It provides granular, deterministic policy enforcement through Rego, serving developers who need to secure their AI agents against unintended or malicious actions. Agentjail ensures that only safe tool calls pass through, with a default-deny stance and auditable decision logs.

## Key facts

- **Slug:** agentjail
- **Website:** https://agentjail.io
- **Operating status:** Active
- **Sectors / tags:** Agentic AI, AI Agent, AI Safety, AI Governance, AI Testing, Developer Tools, Open Source, API Platform
- **Social:**
  - Twitter: https://x.com/agentjail
  - GitHub: https://github.com/LuD1161

## Frequently asked

### What does Agentjail do?

Agentjail offers open-source policy guardrails for coding agents, preventing dangerous tool calls like `rm -rf ~/.ssh` before they execute. It provides granular, deterministic policy enforcement through Rego, serving developers who need to secure their AI agents against unintended or malicious actions. Agentjail ensures that only safe tool calls pass through, with a default-deny stance and auditable decision logs.

### What industry does Agentjail operate in?

Agentjail operates in Agentic AI, AI Agent, AI Safety, AI Governance, AI Testing, Developer Tools.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Agentjail",
          "item": "https://www.startuphub.ai/startups/agentjail"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/agentjail#webpage",
      "url": "https://www.startuphub.ai/startups/agentjail",
      "name": "Agentjail - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Agentjail. Agentjail is a startup operating in Agentic AI and AI Agent. Policy guardrails for coding agents to block dangerous tool calls before they are fired.",
      "dateModified": "2026-07-11T07:17:52.184567+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/agentjail#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/agentjail#organization",
      "name": "Agentjail",
      "url": "https://agentjail.io",
      "logo": "https://www.google.com/s2/favicons?domain=agentjail.io&sz=128",
      "image": "https://www.google.com/s2/favicons?domain=agentjail.io&sz=128",
      "description": "This is the official profile of Agentjail. Agentjail is a startup operating in Agentic AI and AI Agent. Policy guardrails for coding agents to block dangerous tool calls before they are fired.",
      "sameAs": [
        "https://x.com/agentjail",
        "https://github.com/LuD1161",
        "https://www.startuphub.ai/startups/agentjail"
      ],
      "knowsAbout": [
        "Agentic AI",
        "AI Agent",
        "AI Safety",
        "AI Governance",
        "AI Testing",
        "Developer Tools",
        "Open Source",
        "API Platform"
      ]
    }
  ]
}
```