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While enterprises face the challenges of deploying AI agents in critical applications, a new, more pragmatic model is emerging that puts humans back in control as a strategic safeguard against AI failure.
One such example is Mixus, a platform that uses a “colleague-in-the-loop” approach to make AI agents reliable for mission-critical work.
This approach is a response to the growing evidence that fully autonomous agents are a high-stakes gamble.
The high cost of unchecked AI
The problem of AI hallucinations has become a tangible risk as companies explore AI applications. In a recent incident, the AI-powered code editor Cursor saw its own support bot invent a fake policy restricting subscriptions, sparking a wave of public customer cancellations.
Similarly, the fintech company Klarna famously reversed course on replacing customer service agents with AI after admitting the move resulted in lower quality. In a more alarming case, New York City’s AI-powered business chatbot advised entrepreneurs to engage in illegal practices, highlighting the catastrophic compliance risks of unmonitored agents.
These incidents are symptoms of a larger capability gap. According to a May 2025 Salesforce research paper, today’s leading agents succeed only 58% of the time on single-step tasks and just 35% of the time on multi-step ones, highlighting “a significant gap between current LLM capabilities and the multifaceted demands of real-world enterprise scenarios.”
The colleague-in-the-loop model
To bridge this gap, a new approach focuses on structured human oversight. “An AI agent should act at your direction and on your behalf,” Mixus co-founder Elliot Katz told VentureBeat. “But without built-in organizational oversight, fully autonomous agents often create more problems than they solve.”
This philosophy underpins Mixus’s colleague-in-the-loop model, which embeds human verification directly into automated workflows. For example, a large retailer might receive weekly reports from thousands of stores that contain critical operational data (e.g., sales volumes, labor hours, productivity ratios, compensation requests from headquarters). Human analysts must spend hours manually reviewing the data and making decisions based on heuristics. With Mixus, the AI agent automates the heavy lifting, analyzing complex patterns and flagging anomalies like unusually high salary requests or productivity outliers.
For high-stakes decisions like payment authorizations or policy violations — workflows defined by a human user as “high-risk” — the agent pauses and requires human approval before proceeding. The division of labor between AI and humans has been integrated into the agent creation process.
“This approach means humans only get involved when their expertise actually adds value — typically the critical 5-10% of decisions that could have significant impact — while the remaining 90-95% of routine tasks flow through automatically,” Katz said. “You get the speed of full automation for standard operations, but human oversight kicks in precisely when context, judgment, and accountability matter most.”
In a demo that the Mixus team showed to VentureBeat, creating an agent is an intuitive process that can be done with plain-text instructions. To build a fact-checking agent for reporters, for example, co-founder Shai Magzimof simply described the multi-step process in natural language and instructed the platform to embed human verification steps with specific thresholds, such as when a claim is high-risk and can result in reputational damage or legal consequences.
One of the platform’s core strengths is its integrations with tools like Google Drive, email, and Slack, allowing enterprise users to bring their own data sources into workflows and interact with agents directly from their communication platform of choice, without having to switch contexts or learn a new interface (for example, the fact-checking agent was instructed to send approval requests to the editor’s email).
The platform’s integration capabilities extend further to meet specific enterprise needs. Mixus supports the Model Context Protocol (MCP), which enables businesses to connect agents to their bespoke tools and APIs, avoiding the need to reinvent the wheel for existing internal systems. Combined with integrations for other enterprise software like Jira and Salesforce, this allows agents to perform complex, cross-platform tasks, such as checking on open engineering tickets and reporting the status back to a manager on Slack.
Human oversight as a strategic multiplier
The enterprise AI space is currently undergoing a reality check as companies move from experimentation to production. The consensus among many industry leaders is that humans in the loop are a practical necessity for agents to perform reliably.
Mixus’s collaborative model changes the economics of scaling AI. Mixus predicts that by 2030, agent deployment may grow 1000x and each human overseer will become 50x more efficient as AI agents become more reliable. But the total need for human oversight will still grow.
“Each human overseer manages exponentially more AI work over time, but you still need more total oversight as AI deployment explodes across your organization,” Katz said.
For enterprise leaders, this means human skills will evolve rather than disappear. Instead of being replaced by AI, experts will be promoted to roles where they orchestrate fleets of AI agents and handle the high-stakes decisions flagged for their review.
In this framework, building a strong human oversight function becomes a competitive advantage, allowing companies to deploy AI more aggressively and safely than their rivals.
“Companies that master this multiplication will dominate their industries, while those chasing full automation will struggle with reliability, compliance, and trust,” Katz said.
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