The authorization gap in agentic systems

The transition from Large Language Models as passive chatbots to active agents represents a fundamental shift in software architecture. When a model moves from generating text to executing tool calls, the traditional security boundaries of web applications become insufficient. Agents often operate with high-level API tokens that grant broad permissions, creating a significant security risk if the agent is compromised or produces an unintended action. Artoo addresses this specific vulnerability by providing an authorization layer designed for the granular requirements of autonomous agents.

Artoo’s primary product, D2, is a function-level authorization layer. It is built to enforce the principle of least privilege, ensuring that an agent can only access the specific resources or execute the specific functions required for its immediate task. The implementation is developer-focused, allowing engineers to integrate security policies directly into their code using a single decorator. This approach bypasses the complexity of building custom middleware or managing expansive, static permission sets. By placing the authorization check at the function level, D2 allows for real-time policy revocation. This means if an agent's behavior deviates from its intended path, its access to sensitive APIs or data can be terminated instantly without shutting down the entire system.

Infrastructure for multi-agent workflows

As organizations move toward multi-agent systems—where various agents collaborate and pass tasks between one another—the security challenge compounds. Each handoff is a potential point of failure. Artoo's infrastructure is built to track these workflows and maintain security policies across agent boundaries. This persistent authorization state is critical for companies deploying agents in production environments where they interact with live databases and third-party services.

Beyond authorization, Artoo operates Trooper, a platform for security researchers and bug bounty programs. Trooper provides automated callback infrastructure and evidence capture for vulnerability detection, specifically focusing on XSS and other common web security flaws. This dual-sided approach—securing systems with D2 while empowering the research community with Trooper—positions Artoo as a comprehensive security partner for AI development teams.

Market position and the security stack

Artoo is a small, specialized team operating in a high-growth niche of the AI ecosystem. While many companies focus on the performance or reliability of LLMs, Artoo focuses on the governance of their actions. They sit alongside other agent security startups but differentiate themselves through their decorator-based implementation and focus on function-level control.

Their target market includes enterprise developers and security teams who are moving past the prototype stage with agents. These users require more than just prompt engineering; they need a way to prove that their autonomous systems are safe and auditable. By focusing on the developer experience and the specific mechanics of tool-calling, Artoo provides a practical path for securing the next generation of agentic software without adding significant friction to the development cycle.