Design a comprehensive, structured planner for leveraging custom GPT agents to solve specific business problems.  This planner must guide users through a step-by-step process, from identifying a problem and defining success metrics to designing the GPT agent&#8217;s prompt engineering and evaluating its performance.  The planner should include sections for:</p>
<p>**1. Problem Definition:**<br />
* Clearly articulate the problem you aim to solve using a custom GPT agent.  Include quantifiable metrics to measure success.<br />
* Identify the key information needed to address the problem.<br />
* Define the desired output format of the GPT agent&#8217;s response.</p>
<p>**2. GPT Agent Design:**<br />
* Outline the necessary prompts and instructions for the GPT agent.<br />
* Specify the desired agent persona and tone.<br />
* Define the data sources and knowledge base the agent will access.<br />
* Detail the iterative refinement process for prompt optimization.</p>
<p>**3. Implementation &#038; Testing:**<br />
* Describe the chosen GPT model and platform.<br />
* Outline the testing strategy and metrics.<br />
* Define the process for monitoring and evaluating agent performance.<br />
* Detail how to iterate on the agent&#8217;s design based on the results.</p>
<p>**4. Maintenance &#038; Scaling:**<br />
* Plan for ongoing maintenance and updates of the GPT agent.<br />
* Outline strategies for scaling the agent to handle increasing workloads.<br />
* Detail processes for managing and resolving potential errors or issues.</p>
<p>The output should be a detailed, actionable plan, formatted as a checklist with clear instructions and examples for each step. The plan should be suitable for both technical and non-technical users.  Include considerations for ethical implications and potential biases in the GPT agent&#8217;s output.  Prioritize clarity, practicality, and ease of use in the planner&#8217;s design.