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The Agentic Workflow: A Loop of Planner-Executor-Critic

An exploration into how AI systems manage tasks through a cycle of planning, execution, and feedback.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

What is an Agentic Workflow?

An agentic workflow represents a fundamental pattern in AI systems where tasks are managed through a cycle involving three key roles: the Planner, Executor, and Critic. The Planner generates plans based on goals and available resources, the Executor carries out these plans using tools or agents, and the Critic evaluates the outcomes to provide feedback for future planning.

This loop ensures that tasks are completed efficiently and effectively by continuously refining the strategies used in execution through critical analysis.

How Does It Work?

The process begins with the Planner generating a plan based on the current task requirements. The Executor then uses available tools to attempt to complete this plan. If the Executor encounters issues, it may retry or seek alternative solutions based on feedback from the Critic. The Critic evaluates the outcome and provides insights for improving future planning.

This cycle is designed to be robust against failures, ensuring that tasks are completed even when initial attempts do not succeed.

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Why It Matters

Understanding agentic workflows is crucial in developing reliable and adaptive AI systems. By mimicking human problem-solving strategies, these workflows can handle complex and dynamic environments more effectively.

Moreover, they are essential for creating autonomous agents that can operate without constant human intervention.

Real-World Applications

Agentic workflows are used in various applications such as automated manufacturing systems, where tools and machines must work together to complete tasks. They also play a significant role in natural language processing, where models generate text based on feedback from their performance.

In robotics, these workflows enable robots to learn from their experiences and improve over time, making them more versatile and efficient.

Frequently asked questions

What are the key components of an agentic workflow?

The key components are the Planner, Executor, and Critic. The Planner generates plans, the Executor carries out tasks using tools, and the Critic evaluates outcomes to provide feedback for future planning.

How does the Critic contribute to an agentic workflow?

The Critic assesses the results of the Executor's actions and provides insights that help improve the Planner’s strategies. This continuous feedback loop enhances the efficiency and effectiveness of the workflow.

Can agentic workflows be applied in non-AI contexts?

Yes, while agentic workflows are commonly used in AI systems, they can also be applied in human-centric processes such as project management or even personal task management to enhance productivity and efficiency.

What challenges might arise when implementing an agentic workflow?

Challenges include ensuring reliable tools, managing the complexity of feedback loops, and dealing with unexpected outcomes. Additionally, there is a need for robust error handling and continuous improvement mechanisms to maintain system reliability.

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Everything above runs in your browser — open Agentic Workflow Simulator and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.

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