{"id":1121033,"date":"2025-05-30T18:05:13","date_gmt":"2025-05-31T00:05:13","guid":{"rendered":"https:\/\/www.adventuresincre.com\/?p=1121033"},"modified":"2025-08-13T16:28:00","modified_gmt":"2025-08-13T22:28:00","slug":"how-to-build-custom-gpt-gemini-gem-claude-project-2025","status":"publish","type":"post","link":"https:\/\/www.adventuresincre.com\/how-to-build-custom-gpt-gemini-gem-claude-project-2025\/","title":{"rendered":"How to Build a Custom GPT, Claude Project, or Gemini Gem in 2025"},"content":{"rendered":"<p>In the world of AI, the big three &#8211; OpenAI\u2019s Custom GPTs, Anthropic\u2019s Claude Projects, and Google\u2019s Gemini Gems &#8211; are quick-and-easy ways to interact with large language models (LLMs). Whether you&#8217;re a real estate professional looking to build a custom assistant or a founder aiming to scale operations through automation, these tools offer a fast way to create mini <a href=\"https:\/\/www.creagents.com\" target=\"_blank\" rel=\"noopener\">AI agents<\/a> that are tailored, task-specific, and quite useful.<\/p>\n<p>This post breaks down the essential steps to build your own custom GPT, Project, or Gem. By the end, you\u2019ll know how to structure instructions, upload knowledge, refine performance, and test like a pro.<\/p>\n<ul>\n<li>Interested in mastering AI for commercial real estate? Consider our <a href=\"https:\/\/www.adventuresincre.com\/learn-ai-commercial-real-estate\/\" rel=\"\">AI for CRE course<\/a> and become one of the top 1% of real estate professionals leveraging AI to stay ahead.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1121047\" src=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025.jpg\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025.jpg 1536w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-300x200.jpg 300w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-1030x687.jpg 1030w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-768x512.jpg 768w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-1500x1000.jpg 1500w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-705x470.jpg 705w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-450x300.jpg 450w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-1320x880.jpg 1320w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/how-to-build-a-custom-gpt-claude-project-or-gemini-gem-in-2025-272x182.jpg 272w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<h2>What Are These Custom Mini &#8220;AI Agents&#8221;?<\/h2>\n<p>In simple terms, all three platforms let you:<\/p>\n<ul>\n<li>Define a custom set of instructions (the brain).<\/li>\n<li>Upload supporting documents or data (the knowledge).<\/li>\n<li>Enable capabilities\/tools like web search or coding.<\/li>\n<li>Provide prompt examples for users to get started.<\/li>\n<\/ul>\n<p>Think of them like teaching your junior analyst to perform a very specific task exactly the way you want it to.<\/p>\n<h2>Step-by-Step: Building Your Custom GPT, Project, or Gem<\/h2>\n<h4>1. Start with a Use Case<\/h4>\n<p>Clarify the task your AI agent is solving. The narrower and more defined, the better. Examples include:<\/p>\n<ul>\n<li>A deal screener trained on your investment criteria.<\/li>\n<li>An email assistant that drafts responses in your tone.<\/li>\n<li>A leasing bot trained on your company\u2019s policies.<\/li>\n<\/ul>\n<h4>2. Set Custom Instructions<\/h4>\n<p>Use a structured <a href=\"https:\/\/www.adventuresincre.com\/ai-cre-prompt-engineering\/\" rel=\"\">prompt framework like RODES<\/a>:<\/p>\n<ul>\n<li>Role (R) \u2013 Define the AI&#8217;s persona. Be specific about who the assistant is and the voice it should adopt.<\/li>\n<li>Objective (O) \u2013 Clearly state the goal. What is the user trying to accomplish with this interaction?<\/li>\n<li>Details (D) \u2013 Provide the blueprint for success. Include requirements, constraints, and context.<\/li>\n<li>Examples (E) \u2013 Include sample inputs and desired outputs. This helps align the AI\u2019s responses with expectations.<\/li>\n<li>Sense Check (S) \u2013 Ask the AI to confirm understanding before proceeding. This minimizes misinterpretation and ensures accuracy.<\/li>\n<\/ul>\n<p>Here\u2019s how this might look in a commercial real estate context:<\/p>\n<ul>\n<li>Role: You are a seasoned real estate analyst trained to analyze market trends.<\/li>\n<li>Objective: Analyze industrial cap rate trends in the Chicago market over the last five years.<\/li>\n<li>Details: Focus on Class A industrial buildings larger than 200,000 SF from Q1 2018 to Q1 2023.<\/li>\n<li>Examples: Generate a list of relevant sale comps with accompanying cap rates and sale dates.<\/li>\n<li>Sense Check: Ask, \u201cBefore performing the analysis, do you have any questions?\u201d<\/li>\n<\/ul>\n<h4>3. Upload Supporting Knowledge<\/h4>\n<p>This is where your AI gets smart. You can upload:<\/p>\n<ul>\n<li>Examples of prior work (e.g., past investment memos, deal reviews).<\/li>\n<li>Process documentation.<\/li>\n<li>FAQs or client resources.<\/li>\n<\/ul>\n<p>Ensure your instructions clearly state when and how to use these files. Curate them carefully\u2014they serve as a secondary set of prompts.<\/p>\n<h4>4. Add Prompt Starters<\/h4>\n<p>Give users a head start. Examples:<\/p>\n<ul>\n<li>Help me screen this real estate deal.<\/li>\n<li>Write an LOI for a retail property.<\/li>\n<li>What\u2019s the cap rate for this investment?<\/li>\n<\/ul>\n<h4>5. Choose Capabilities<\/h4>\n<p>Decide what additional capabilities your agent should have, such as:<\/p>\n<ul>\n<li>Code Interpreter: Essential for working with spreadsheets, PDFs, and data.<\/li>\n<li>Web Browsing: If your GPT needs real-time data.<\/li>\n<li>Image Generator: Great for design, branding, or mockups.<\/li>\n<li>Canvas: Ideal for spatial tools and drawings.<\/li>\n<\/ul>\n<h4>6. Test and Iterate in Preview<\/h4>\n<p>Don\u2019t skip this step. Play around:<\/p>\n<ul>\n<li>Try common user inputs.<\/li>\n<li>Verify if it uses the right tone and knowledge.<\/li>\n<li>Check if it stays within scope.<\/li>\n<\/ul>\n<p>Tweak instructions and re-upload better-curated knowledge if needed.<\/p>\n<div id=\"attachment_1121057\" style=\"width: 1220px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1121057\" class=\"size-entry_without_sidebar wp-image-1121057\" src=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/example-custom-GPT-1210x423.jpg\" alt=\"\" width=\"1210\" height=\"423\" \/><p id=\"caption-attachment-1121057\" class=\"wp-caption-text\">The edit screen for an example custom GPT.<\/p><\/div>\n<h2>Pro Tip: Add Signals to Make It Feel Human<\/h2>\n<p>Want to make your GPT feel more intuitive? Add a file called <code>user_signals.txt<\/code>. In it, define user \u201csignals\u201d like frustration, confusion, or praise and include suggested response styles. This helps the GPT adapt, reassure, or clarify automatically.<\/p>\n<p>Examples:<\/p>\n<ul>\n<li><strong>Signal:<\/strong> User is confused.<br \/>\n<strong>Response:<\/strong> \u201cTotally get that. Want to walk through an example together?\u201d<\/li>\n<li><strong>Signal:<\/strong> User expresses frustration.<br \/>\n<strong>Response:<\/strong> \u201cSounds like a tricky spot. Let\u2019s work through it step by step.\u201d<\/li>\n<\/ul>\n<p><a href=\"https:\/\/thecreedge.ai\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone wp-image-1173313 size-full\" src=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124.png\" alt=\"\" width=\"1030\" height=\"124\" srcset=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124.png 1030w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124-300x36.png 300w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124-768x92.png 768w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124-705x85.png 705w, https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/08\/1030x124-450x54.png 450w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/a><\/p>\n<h2>Naming Matters<\/h2>\n<p>Your agent\u2019s name should be:<\/p>\n<ul>\n<li>Concise and descriptive.<\/li>\n<li>Consistent with your branding.<\/li>\n<li>Avoid ending with \u201cGPT\u201d unless it adds value.<\/li>\n<\/ul>\n<p>Examples:<\/p>\n<ul>\n<li>Investor Screener<\/li>\n<li>Tracy Assistant<\/li>\n<li>CRE Deal Coach<\/li>\n<\/ul>\n<h2>Tools of the Trade<\/h2>\n<p>Here\u2019s a simple checklist to ensure a quality build:<\/p>\n<ul>\n<li>Clear purpose<\/li>\n<li>RODES-based instructions<\/li>\n<li>Curated and relevant knowledge files<\/li>\n<li>Conversation starters<\/li>\n<li>Appropriate capabilities enabled<\/li>\n<li>Real-world testing<\/li>\n<\/ul>\n<div id=\"attachment_1121059\" style=\"width: 1220px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1121059\" class=\"size-entry_without_sidebar wp-image-1121059\" src=\"https:\/\/www.adventuresincre.com\/wp-content\/uploads\/2025\/05\/example-gemini-gem-1210x423.jpg\" alt=\"\" width=\"1210\" height=\"423\" \/><p id=\"caption-attachment-1121059\" class=\"wp-caption-text\">The prompt screen for an example Gemini Gem.<\/p><\/div>\n<h2>Closing Thoughts<\/h2>\n<p>Custom GPTs, Claude Projects, and Gemini Gems are true amplifiers of your expertise. With a clear purpose, smart instructions, and curated knowledge, your AI agent can become a valuable member of your team.<\/p>\n<hr \/>\n<h2>Frequently Asked Questions about Building a Custom GPT, Claude Project, or Gemini Gem in 2025<\/h2>\n<div  class='togglecontainer av-aiagentsfaq-container-ef611e12e5454f8910b33a25db77975a av-minimal-toggle  avia-builder-el-0  avia-builder-el-no-sibling '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/FAQPage\" >\n<section class='av_toggle_section av-aiq1-7d8f128ab26c3f32f1ac788e49e22e71'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"What are Custom GPTs, Claude Projects, and Gemini Gems?\" data-title-open=\"What are Custom GPTs, Claude Projects, and Gemini Gems?\" data-aria_collapsed=\"Click to expand: What are Custom GPTs, Claude Projects, and Gemini Gems?\" data-aria_expanded=\"Click to collapse: What are Custom GPTs, Claude Projects, and Gemini Gems?\">What are Custom GPTs, Claude Projects, and Gemini Gems?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>These are fast, low-code ways to create personalized AI assistants across OpenAI (GPTs), Anthropic (Claude Projects), and Google (Gemini Gems). They let you define instructions, upload documents, set capabilities, and deploy task-specific AI agents quickly.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq2-7427346102d781a005f2d9735295f632'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"What\u2019s the first step in creating one of these agents?\" data-title-open=\"What\u2019s the first step in creating one of these agents?\" data-aria_collapsed=\"Click to expand: What\u2019s the first step in creating one of these agents?\" data-aria_expanded=\"Click to collapse: What\u2019s the first step in creating one of these agents?\">What\u2019s the first step in creating one of these agents?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Start with a clearly defined use case. \u201cThe narrower and more defined, the better.\u201d Examples include a leasing bot, a deal screener, or an email assistant.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq3-666e25b5d01b18646846cd0599453d17'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"How should instructions be structured for your agent?\" data-title-open=\"How should instructions be structured for your agent?\" data-aria_collapsed=\"Click to expand: How should instructions be structured for your agent?\" data-aria_expanded=\"Click to collapse: How should instructions be structured for your agent?\">How should instructions be structured for your agent?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Use the RODES framework: Role, Objective, Details, Examples, and Sense Check. This ensures clarity and consistency in how the AI should behave and respond.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq4-bfdbbf92da2b1e249fd57a9ce37b1248'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-4' data-fake-id='#toggle-id-4' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-4' data-slide-speed=\"200\" data-title=\"What kinds of knowledge files can be uploaded?\" data-title-open=\"What kinds of knowledge files can be uploaded?\" data-aria_collapsed=\"Click to expand: What kinds of knowledge files can be uploaded?\" data-aria_expanded=\"Click to collapse: What kinds of knowledge files can be uploaded?\">What kinds of knowledge files can be uploaded?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' aria-labelledby='toggle-toggle-id-4' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>You can upload internal documentation, past work samples (like memos or reviews), FAQs, or process guides. These serve as curated data the AI references to stay on task.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq5-d48fbfb58dfda8fc55b785dc9f6716db'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"What capabilities can be enabled in custom AI agents?\" data-title-open=\"What capabilities can be enabled in custom AI agents?\" data-aria_collapsed=\"Click to expand: What capabilities can be enabled in custom AI agents?\" data-aria_expanded=\"Click to collapse: What capabilities can be enabled in custom AI agents?\">What capabilities can be enabled in custom AI agents?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Depending on the platform, you can enable tools like:<\/p>\n<p>Code Interpreter (for spreadsheets, PDFs, and data),<\/p>\n<p>Web Browsing (for live data),<\/p>\n<p>Image Generator, or<\/p>\n<p>Canvas (for drawing\/spatial tools).<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq6-85b3d7db12c17985ed0556937b0bf800'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"Why are prompt starters important?\" data-title-open=\"Why are prompt starters important?\" data-aria_collapsed=\"Click to expand: Why are prompt starters important?\" data-aria_expanded=\"Click to collapse: Why are prompt starters important?\">Why are prompt starters important?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>They help users interact with the AI quickly and correctly. Examples include: \u201cHelp me screen this deal,\u201d or \u201cWrite an LOI for a retail property.\u201d They act as templates for expected usage.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq7-64feef3aa14791e0db4a12db666df458'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-7' data-fake-id='#toggle-id-7' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-7' data-slide-speed=\"200\" data-title=\"What is a \u201cuser_signals.txt\u201d file and why use it?\" data-title-open=\"What is a \u201cuser_signals.txt\u201d file and why use it?\" data-aria_collapsed=\"Click to expand: What is a \u201cuser_signals.txt\u201d file and why use it?\" data-aria_expanded=\"Click to collapse: What is a \u201cuser_signals.txt\u201d file and why use it?\">What is a \u201cuser_signals.txt\u201d file and why use it?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' aria-labelledby='toggle-toggle-id-7' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>It defines user moods (like confusion or frustration) and suggests how the AI should respond. For example:<br \/>\nSignal: User is frustrated.<br \/>\nResponse: \u201cSounds like a tricky spot. Let\u2019s work through it step by step.\u201d<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq8-c2f8e1e94c59acef4d05c2c200aa2207'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-8' data-fake-id='#toggle-id-8' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-8' data-slide-speed=\"200\" data-title=\"What makes a good name for your custom AI agent?\" data-title-open=\"What makes a good name for your custom AI agent?\" data-aria_collapsed=\"Click to expand: What makes a good name for your custom AI agent?\" data-aria_expanded=\"Click to collapse: What makes a good name for your custom AI agent?\">What makes a good name for your custom AI agent?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-8' aria-labelledby='toggle-toggle-id-8' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Names should be concise, descriptive, and aligned with your brand. Avoid tacking on \u201cGPT\u201d unless useful. Examples: \u201cCRE Deal Coach,\u201d \u201cInvestor Screener,\u201d or \u201cTracy Assistant.\u201d<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq9-b7dab97660326f6403f1ce632ee6dfc0'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-9' data-fake-id='#toggle-id-9' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-9' data-slide-speed=\"200\" data-title=\"What should I do before finalizing my AI agent?\" data-title-open=\"What should I do before finalizing my AI agent?\" data-aria_collapsed=\"Click to expand: What should I do before finalizing my AI agent?\" data-aria_expanded=\"Click to collapse: What should I do before finalizing my AI agent?\">What should I do before finalizing my AI agent?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-9' aria-labelledby='toggle-toggle-id-9' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Test thoroughly in Preview. \u201cTry common user inputs. Verify tone. Check if it stays within scope.\u201d Refine your files and instructions as needed.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-aiq10-95b95560b5bc015eaeb1d48a48c43b43'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-10' data-fake-id='#toggle-id-10' class='toggler  av-title-above '  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='toggle-id-10' data-slide-speed=\"200\" data-title=\"What is the recommended checklist before publishing?\" data-title-open=\"What is the recommended checklist before publishing?\" data-aria_collapsed=\"Click to expand: What is the recommended checklist before publishing?\" data-aria_expanded=\"Click to collapse: What is the recommended checklist before publishing?\">What is the recommended checklist before publishing?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-10' aria-labelledby='toggle-toggle-id-10' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Use this checklist:<\/p>\n<p>Clear purpose<\/p>\n<p>RODES-based instructions<\/p>\n<p>Curated, relevant knowledge<\/p>\n<p>Useful prompt starters<\/p>\n<p>Correct capabilities enabled<\/p>\n<p>Real-world testing complete<\/p>\n<\/div><\/div><\/div><\/section>\n<\/div>\n<hr \/>\n<div  class='av_promobox av-av_promobox-87802d2873acb8d8359d8fe913015aa2 avia-button-yes'><div class='avia-promocontent'><section class=\"author-bio\" aria-label=\"About the Author\">\n<p><strong>About the Author:<\/strong> Spencer Burton is Co-Founder and CEO of <a href=\"https:\/\/www.creagents.com\" target=\"_blank\" rel=\"noopener\">CRE Agents<\/a>, an AI-powered platform training digital coworkers for commercial real estate. He has 20+ years of CRE experience and has underwritten over $30 billion in real estate across top institutional firms.<\/p>\n<p>Spencer also co-founded Adventures in CRE, served as President at Stablewood, and holds a BS in International Affairs from Florida State University and a Masters in Real Estate Finance from Cornell University.<\/p>\n<\/section>\n<\/div><div  class='avia-button-wrap av-av_button-9c5c269a4aca87dcc1972f23335155c9-wrap avia-button-right '><a href='https:\/\/www.adventuresincre.com\/contact-us\/'  class='avia-button av-av_button-9c5c269a4aca87dcc1972f23335155c9 av-link-btn avia-icon_select-no avia-size-large avia-position-right avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"Contact Spencer\"><span class='avia_iconbox_title' >Contact Spencer<\/span><\/a><\/div><\/div>\r\n\n","protected":false},"excerpt":{"rendered":"<p>In the world of AI, the big three &#8211; OpenAI\u2019s Custom GPTs, Anthropic\u2019s Claude Projects, and Google\u2019s Gemini Gems &#8211; are quick-and-easy ways to interact with large language models (LLMs). Whether you&#8217;re a real estate professional looking to build a custom assistant or a founder aiming to scale operations through automation, these tools offer a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1121051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","footnotes":""},"categories":[859,1033,1035],"tags":[841],"class_list":["post-1121033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artificial-intelligence","category-ai-training","category-ai-tools-cre","tag-ai","pmpro-has-access"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.3.1 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Build Custom GPT, Claude Project, or Gemini Gem in 2025<\/title>\n<meta name=\"description\" content=\"A step-by-step guide for adding instructions, knowledge and tools to build 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With over 20 years of experience as a fiduciary, principal, and founder in real estate, he is a recognized expert in applying AI to CRE. His mission at CRE Agents is to give people back life\u2019s most precious asset\u2014time. By pushing repetitive tasks to AI-driven \u201cdigital coworkers\u201d, CRE Agents empowers professionals to focus on high-impact work, driving better returns and more fulfilling careers. Prior to CRE Agents, Spencer served as President and founding team member of Stablewood, a multi-strategy institutional real estate investor leveraging AI, machine learning, and data analytics. At Stablewood, he co-developed an AI-enabled digital coworker that underwrote and created investment memos for 50,000+ CRE transactions, equating to four years of work for 20 full-time analysts. Spencer is also the co-creator of Adventures in CRE (A.CRE), the industry\u2019s leading platform for financial modeling, education, AI learning, and career development. Through A.CRE, he\u2019s trained thousands of professionals at some of the world\u2019s top companies and universities. Spencer has built a reputation as an innovator and thought leader in CRE. He has held senior roles at top institutional firms, helped launch two successful startups, and deployed automation across brokerage, development, acquisitions, debt production, and management. Spencer holds a Bachelor\u2019s in International Affairs with an emphasis in economics from Florida State University and a Master\u2019s in Real Estate with a concentration in finance from Cornell University.","sameAs":["https:\/\/www.spencerburton.org","https:\/\/x.com\/spencerburtonre"],"url":"https:\/\/www.adventuresincre.com\/author\/mespencerburton-org\/"}]}},"_links":{"self":[{"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/posts\/1121033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/comments?post=1121033"}],"version-history":[{"count":8,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/posts\/1121033\/revisions"}],"predecessor-version":[{"id":1173723,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/posts\/1121033\/revisions\/1173723"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/media\/1121051"}],"wp:attachment":[{"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/media?parent=1121033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/categories?post=1121033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.adventuresincre.com\/wp-json\/wp\/v2\/tags?post=1121033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}