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Every day, we feature the community's top-voted AI workflow in The Rundown newsletter. One post will put you on the radar of top founders, hiring managers, and operators across the industry.

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Build an Evidence-Backed Decision Brief with ChatGPT

Turn a collection of documents, reports, spreadsheets, and notes into an evidence-backed decision brief with ChatGPT. Instead of asking AI to simply summarize the information, this workflow makes it identify what matters, connect the evidence, compare it with historical context, explore scenarios, and highlight what should be considered before making a decision. Step-by-step: 1. I gather the information relevant to one decision, including reports, PDFs, spreadsheets, research, historical data, meeting notes, and existing analysis. I upload everything into ChatGPT. 2. I ask ChatGPT to understand the situation using this prompt: > “Analyze the information I provided and build a structured understanding of the situation. Identify the key entities, important facts, relationships, metrics, trends, assumptions, and constraints. Do not make recommendations yet.” This creates the context before jumping to conclusions. 3. I build an evidence brief by asking: > “Create an evidence brief. Separate verified facts, derived insights, assumptions, conflicting information, and missing information. For every important conclusion, identify the supporting source or evidence.” This gives me a clearer picture of what is known versus what is inferred. 4. I add historical context when it is available by asking: > “Compare the current situation with the historical information provided. Identify meaningful patterns, similarities, differences, and changes. Highlight which historical observations could be relevant to the current decision.” This turns historical data into context rather than simply another report. 5. I explore three scenarios by asking ChatGPT: > “Based on the evidence and historical context, evaluate three scenarios: upside, base case, and downside. For each scenario, identify the assumptions, key drivers, risks, likely impact, and evidence supporting the assessment.” The objective isn't to pretend the future can be predicted perfectly. It is to understand how the decision changes when assumptions change. 6. I generate the decision brief by asking: > “Create a concise decision brief containing: > > 1. Current situation > 2. Most important evidence > 3. Key insights > 4. Historical context > 5. Critical assumptions > 6. Key risks > 7. Scenario analysis > 8. Evidence gaps and uncertainties > 9. Questions that should be investigated > 10. Possible actions and their implications. > Do not make the final decision on my behalf.” This produces a structured decision brief instead of another AI-generated summary. 7. I review the brief and challenge its conclusions before making the decision. I ask follow-up questions such as: > “Which assumption has the greatest impact on this decision?” > “Show me the strongest evidence against the current conclusion.” > “What information would most likely change the recommendation?” The AI helps structure the decision, but I make the decision. The important shift is: Summarize the informationUnderstand the situationEstablish the evidenceAdd historical contextExplore scenariosEvaluate the decision This approach can be applied to almost any domain where decisions depend on complex and interconnected information. A property investment is one example. A business strategy, product decision, operational problem, financial analysis, research question, or engineering decision can follow the same pattern.

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#agenticai#artificialintelligence#businessstrategy#datadrivendecisionmaking#decisionintelligence
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Built a skill-driven AI workflow that takes projects from idea and scope discovery through runbook execution and durable documentation

I use reusable AI skills rather than relying on one long prompt or previous chat history. I start by describing the project in plain English and invoking a project-kickoff skill. It creates a live project specification containing the objective, scope, constraints, acceptance criteria, concerns, and next actions. For larger or more ambiguous work, I can opt into a scope-discovery skill. AI guides me through one important decision at a time, explains the trade-offs, recommends a sensible default, and records each accepted decision until the project is ready to implement. When delivery involves several dependent or risky steps, I can use a runbook-design skill. AI converts the agreed scope into a checkpointed implementation plan with validation, rollback, and clear points where my approval or testing is required. AI then executes the runbook, builds the solution, performs automated checks, and records what actually happened. I mainly provide direction, answer business or product questions, and complete the human acceptance checks that AI cannot genuinely perform itself. The skills live inside the project repository alongside the code, decisions, runbooks, and documentation. Codex only links to them at runtime, so the repository remains self-contained and does not depend on my local setup or previous conversations. This also makes the workflow portable. Another capable AI agent or a human engineer can read the repository, understand how the project should be managed, and continue the work without reconstructing everything from chat history. Step-by-step: 1. I describe the project in plain English and invoke the project-kickoff skill. 2. I use the scope-discovery skill for larger or more ambiguous work, working through one decision at a time until the project is ready to implement. 3. I use the runbook-design skill when delivery involves dependent or risky steps, creating a checkpointed plan with validation, rollback, and approval or testing points. 4. AI executes the runbook, builds the solution, performs automated checks, and records what actually happened. 5. I provide direction, answer business or product questions, and complete the human acceptance checks AI cannot genuinely perform. 6. I keep the skills, code, decisions, runbooks, and documentation together in the project repository so the workflow remains self-contained and portable.

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#agenticworkflow#aiassisteddevelopment#aiskills
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Refine Design Preferences with AI Through Visual Feedback

Design taste is hard to put into words. I may know immediately that one website, presentation, report, or graphic feels right and another doesn't, but still struggle to explain whether the difference comes from the typography, spacing, colors, density, layout, or overall aesthetic. That makes working with AI frustrating. If I can't describe what I want, the AI has to guess. Instead of trying to explain my design taste upfront, I turned the process into an iterative visual feedback loop. I first asked the AI to suggest existing websites with different design styles so I could identify examples I liked. Once it had those references, I asked it to create three substantially different HTML mockups for the same content. I picked the direction I liked best, explained what I liked and disliked, and had the AI generate another set of alternatives based on that feedback. After about three rounds, the AI had a much better understanding of my design preferences than I could have given it in a written prompt. The basic loop is: show me examples → I choose → generate alternatives → I react → refine → repeat. This is essentially preference elicitation through examples. Research on human-AI interaction has similarly found that people can refine difficult-to-articulate preferences by reacting to concrete alternatives rather than specifying everything upfront. Step-by-step: 1. I asked the AI for several visual references, including websites or designs that represented distinctly different styles. 2. I reviewed the examples and identified the ones I liked. I didn't need sophisticated design terminology; I simply described what I preferred and anything obvious that I liked or disliked. 3. I gave the AI something real to design. I used an actual report I was working on so I could evaluate the styles in context. 4. I asked the AI to create three substantially different visual directions rather than minor variations of the same design. 5. I chose the direction closest to my taste and explained what I liked, what I didn't, and which elements from the other versions I wanted to incorporate. 6. I asked the AI to generate three new alternatives using everything it had learned so far. 7. I repeated the process until the designs began to converge. I did roughly three rounds, with each round narrowing the design space and giving the AI more information about my preferences. 8. I asked the AI to summarize what it had learned into reusable design guidelines so future projects could start with those preferences. Instead of trying to translate an aesthetic preference into design terminology, I let the AI learn my taste from my choices. The important shift is simple: don't describe what you like—show, choose, react, and refine. This can work for websites, presentations, reports, branding, graphics, interior design, clothing, invitations, or almost anything else where I know what I like when I see it.

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#aidesign#aipersonalization#preferencelearning#visualdesign
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Automate a Daily Email and Calendar Brief with Codex Automations

I wanted to reduce the time and mental effort it takes each morning to figure out what needs my attention across my inbox and calendar. I used Codex Automations to build Briefly, a daily AI-powered email and calendar brief that is automatically delivered to my inbox every day. Instead of manually searching through emails and checking separate calendar events, I can open one message from Briefly and immediately see what is happening, what needs action, and what is coming up. It has become a simple way for me to use AI proactively—not only when I ask a question, but as an automated system that helps me stay ahead of my emails, tasks, and schedule each day. Step-by-step: 1. I connected the email and calendar sources I wanted the automation to review. 2. I created a Codex Automation that runs each morning. 3. I instructed it to review recent and important emails, identify messages that need attention or follow-up, and check my calendar for upcoming meetings and commitments. 4. I had it turn that information into a concise daily brief. 5. I configured the brief to be delivered to my email automatically.

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I built a GPT name Entrepreneurial Mindset Coach based on my book that I wrote last year. It rewires your brain for Business success.

I built a GPT called Entrepreneurial Mindset Coach based on the book I wrote last year. It is designed to rewire your brain for business success. Step-by-step: 1. I opened ChatGPT and selected More from the left-hand menu. 2. I selected GPTs and clicked Create in the upper-right corner. 3. I opened the Configure tab at the top. 4. I started building my GPT.

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Build an Autonomous Learning Workbook in ChatGPT Projects

I built an autonomous learning workbook in ChatGPT Projects to help me stay ahead of where I am and where I need to be. Keeping up with that gap has been a labor of love and tears. The goal of the project is to catalog: - What I know - What I’ve forgotten - What I’m currently learning - What skills I need for my career goals - What has changed in healthcare, AI, and my industry - The single highest-value thing for me to do next I use the following prompt in ChatGPT Projects. It may take some tweaking for your personal needs, but feel free to use it as you see fit: > Engineer dashboards for: Learning Progress, Competency Growth, Learning Hours, Weekly Progress, Monthly Progress, Retention, Knowledge Coverage, Executive Readiness, Upcoming Reviews, Learning Recommendations, Skill Heat Map, Learning Velocity, Credential Progress, Continuing Education Credits, and Certification Status. Step-by-step: 1. I created an autonomous learning workbook in ChatGPT Projects. 2. I defined the information I wanted the project to catalog, including my current knowledge, forgotten material, active learning, career-skill needs, industry changes, and highest-value next action. 3. I sent ChatGPT Projects a prompt to engineer dashboards for learning progress, competency, retention, reviews, recommendations, credentials, continuing education, and certification status. 4. I planned to tweak the prompt and dashboards for my personal needs.

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The Rundown team

Use Claude as a friction layer for better brainstorming

I was deep in a Claude research session, trying to brainstorm an idea, rejecting its responses, asking for more, rejecting again. Eventually, it broke the pattern and stopped complying, telling me the problem was how I'd framed the question and explaining why. It had a point, and that may be one of AI's more interesting uses: not just an engine for fast answers but as a friction layer for thought. Step-by-step: 1. I used Claude as a brainstorming partner and kept reacting honestly when an answer did not move the idea forward. 2. When the conversation became repetitive, I paid attention to the pattern instead of simply asking for another variation. 3. I let Claude challenge the way I had framed the question and explain why the framing was constraining the answers. 4. I rewrote the problem around that critique and used the new framing to continue the work. 5. I treated the model as a source of productive friction, not just a machine for fast agreement.

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#brainstorming
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Build a Custom GPT to Explore Unified Physics Equations

I built a custom GPT with the personalities of Einstein, Lorentz, Planck, and Compton. Starting with Einstein’s 1920 Leiden lecture, I developed an ontology for physical space based on his description of the “new ether.” I began with E=mc2, E=hf, and my ontological modeling assumptions. I then repeatedly pushed ChatGPT to challenge those assumptions and interpretations logically and mathematically. We used numerous tool calls and reference sites to write and test the math. After many months of working on it in my spare time, the GPT now unifies equations that balance from the atomic scale to the black hole scale, with some remarkable revelations. I summarized much of the work in a paper written by my GPT and am happy to share it so others can expand, improve, and test the work. AI rocks. Step-by-step: 1. I built a custom GPT with the personalities of Einstein, Lorentz, Planck, and Compton. 2. I used Einstein’s 1920 Leiden lecture and his description of the “new ether” to develop an ontology for physical space. 3. I started with E=mc2, E=hf, and my ontological modeling assumptions. 4. I repeatedly challenged the assumptions and interpretations with ChatGPT, focusing on logical and mathematical consistency. 5. I used numerous tool calls and reference sites to write and test the math. 6. After many months of working on the project in my spare time, I summarized much of it in a paper written by my GPT. 7. I am sharing the work so others can expand, improve, and test it.

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gave claude access to my file server and a master plan doc detailing out the naming conventions and folder structure to have it autofile

I’m creating a master plan in Google Docs that documents my file structure and naming conventions for different file types, including insurance documents, receipts, contracts, and others. I’ll give Claude access to my file server through a file-sharing link and have it create a Markdown file with guidelines for how I want my files organized. To define those guidelines, I can have Claude interview me about my business and what I want the system to do. I’ll then copy and paste a file path into Claude Code and ask it to organize the files according to the master plan. Eventually, I plan to create a folder on all my employees’ desktops that Claude can scan regularly, naming and filing everything placed there. That way, I won’t have to worry about files being misfiled or named incorrectly. Step-by-step: 1. I’ll create a master plan in Google Docs that lists the file structure and naming conventions for each file type, such as insurance documents, receipts, and contracts. 2. I’ll give Claude access to my file server through a file-sharing link. 3. I’ll have Claude create a Markdown file with guidelines for the organization system, using an interview about my business and requirements to define what it should do. 4. I’ll copy and paste a file path into Claude Code and ask it to organize the files according to the master plan. 5. Eventually, I’ll create a folder on each employee’s desktop for regular scanning, so files placed there can be named and filed automatically.

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Build a Reusable Claude Skill for Trust Due Diligence

A reusable Claude Skill called `trust-due-diligence`, packaged as a `.skill` file. It is not a single report; it is a methodology made up of a `SKILL.md` file and three reference documents that teach Claude a repeatable process for investigating a named person, company, coach, or offer before you commit money or trust to them. Once installed, it activates automatically whenever you ask something like “deep dive on X” or “is this legit,” so you do not need to explain the process each time. Step-by-step: 1. Package the `trust-due-diligence` Claude Skill as a `.skill` file. 2. Include a `SKILL.md` file and three reference documents. 3. Use the files together to teach Claude a repeatable due-diligence methodology. 4. Install the Skill so it activates automatically for prompts such as “deep dive on X” or “is this legit.” 5. Use it to investigate a named person, company, coach, or offer before committing money or trust.

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Built Timelanes: Turn any topic into a sourced, shareable timeline in seconds

I built Timelanes so you can type any topic into one text box, such as “The Space Race” or “my grandfather's war years,” and generate a visually engaging, sourced, shareable timeline in seconds. Step-by-step: 1. Type a topic into the text box. 2. Let AI generate the timeline with dated events, short descriptions, and source links. 3. Review citation coverage for each event to see what's verified at a glance. 4. Edit and reorder events, add images and milestones, and choose a theme. 5. Publish the timeline with one click to create a shareable page and embeds that auto-render in Substack and Notion. 6. Export the timeline as a PDF, Markdown file, or CSV. Bonus: Compare mode places two or more timelines on one shared axis so overlaps stand out.

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#aiapp#citations#research#timelines#visualization
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The Rundown team

Turn any report or spreadsheet into an interactive web experience

I continue to find that Claude Artifacts (with its front-end design) is delightfully useful — and use it several times a day to learn something new, or catch up on a news story, and turn anything into a custom webpage right inside chat. Attach surveys, a long article, a spreadsheet, etc., and tell Claude to turn it into an interactive page displaying key insights. The design is impressive, and it takes just minutes. Next time, try this to quickly share findings with your team. Step-by-step: 1. I attached the source material I wanted to understand or share, such as a survey, long article, or spreadsheet. 2. I asked Claude Artifacts to turn the material into a custom interactive webpage. 3. I specified the key insights the page should surface instead of asking only for a visual redesign. 4. I reviewed the hierarchy and interactions and refined anything that was unclear. 5. I shared the finished page with the team as a faster way to explore the findings.

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#analysis#design
0

Replace an AI File-Transfer Workflow with a Python Desktop App

Management pushed for an AI workflow to handle a massive daily headache: staff were manually searching for, copy-pasting, and moving hundreds of files listed in Excel. I was assigned to train the team to use the AI workflow. As soon as training started, though, it became clear that this was the wrong tool for the job. Forcing non-technical staff through a lengthy process of opening browsers, writing prompts, uploading spreadsheets, and dealing with token friction created more work than the manual process. It also introduced token costs, speed bottlenecks, and hallucination risks involving local file paths. The data was already structured. It did not need semantic intelligence; it needed deterministic speed. So AI got fired from running the task. Instead, I used AI as the developer. In less time than it would have taken to train one person, I had Gemini code a standalone Python desktop app and compile it into a simple executable. Now, with zero training required, staff drag and drop their Excel list into the app, choose a destination folder, and click Run. The app executes the transfers for hundreds of files, verifies every arrival on disk, and logs missing files in seconds. The result: $0 in API tokens, two hours recovered each day, zero path errors, and 100% team adoption. A two-second drag-and-drop will always beat a multi-step prompt-engineering exercise. As a side effect, the experience also supported AI adoption. Staff are now seeing more ways AI can help rather than hinder their work. Step-by-step: 1. I evaluated the proposed AI workflow for manually searching, copy-pasting, and moving hundreds of files from Excel lists. 2. I identified that training non-technical staff to open browsers, write prompts, upload spreadsheets, and manage token friction added more work, costs, bottlenecks, and local-file-path hallucination risks. 3. I used Gemini as the developer to create a standalone Python desktop app and compile it into a simple executable. 4. I had staff drag and drop their Excel list into the app, select a destination folder, and click Run. 5. The app transferred hundreds of files, verified each arrival on disk, and logged missing files in seconds. 6. I measured the results: $0 in API tokens, two hours recovered daily, zero path errors, and 100% team adoption.

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#adoption#code#gemini#python#workflow
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Analyze Outlook Emails with Perplexity

I was overwhelmed by the thousands of emails I receive in my Outlook inbox every month. I didn’t have time to analyze them all, generate relevant responses, or track the replies and progress of each case. I used an Outlook feature and the virtual assistant Perplexity to help handle the task. Here’s the process: Step-by-step: 1. In Outlook, open the correct folder and select all the emails. 2. Go to Export/Import and follow all the required steps. 3. Export the emails as a `.csv` file, name the file, and save it in a specific location. 4. In Perplexity, attach the `.csv` file. 5. Use a prompt such as: I am a strategy manager and would like to propose a collaboration to my colleague David. The dashboard should list all topics discussed, proposed actions for each topic, and the remaining work to be done.

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#mailmaster
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Turn Meeting Notes Into a To-Do List and Theme Tracker

I wanted a way to turn my meeting and call notes into a to-do list while also surfacing the themes I had been discussing over the weeks and months. That helps me see where my priorities really lie and who I have been discussing them with. I use the free Granola app to record meetings. Claude Code then connects through MCP, pulls in each meeting summary, and creates a web page that runs on my machine. The workflow also creates an `.md` file for each meeting using a standard set of formatting instructions. Now I can track actions, review recurring themes, and stay on top of my to-do list. Step-by-step: 1. I record my meetings and calls in the free Granola app. 2. I use Claude Code to connect through MCP and pull in the meeting summaries. 3. Claude Code creates an `.md` file for each meeting using a standard set of formatting instructions. 4. It creates a web page that runs on my machine and organizes the meeting information into a to-do list and themes. 5. I use the page to track actions, review themes over time, and stay on top of my to-do list.

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Used Claude Code to build a web application for tracking Business Development Manager activity end to end

I used Claude Code to build a web application that helps a company track Business Development Manager activity end to end. I gathered data from Excel worksheets and organized it in a relational database so the Business Development Managers could share their activity. Step-by-step: 1. I gathered the Business Development Managers’ activity data from Excel worksheets. 2. I organized the data in a relational database. 3. I built a web application with Claude Code to track and share the activity end to end.

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Send meeting audio via Telegram to my local AI agent for transcription, speaker identification, summaries, and action items

I record a meeting on my phone and send the audio file to my Telegram chat with Hermes, my local AI agent. That is the only trigger—there is no app, upload page, or extra step. Hermes runs on my PC through WSL and handles the rest locally, except for the LLM analysis. Step-by-step: 1. Send the audio via Telegram. I drop the meeting recording into my Telegram chat with Hermes. 2. Create the meeting record. When Hermes receives the audio message, it calls a FastAPI endpoint at `localhost:8200`. The endpoint creates a meeting record and uploads the file. It is a thin Python server backed by SQLite, using async SQLAlchemy. 3. Transcribe the meeting locally. The backend runs faster-whisper on my PC, so there is no cloud transcription API or transcription cost. It handles large files and produces the full text with timestamped segments. 4. Identify the speakers. A diarization pass determines who spoke when. I can optionally upload a 10-second voice sample for each person; the system stores MFCC features and can automatically label speakers such as “Steve” and “Andrew” in future meetings. Diarization is best-effort, so transcription still works if it fails. 5. Analyze the transcript with an LLM. The transcript and timestamped segments are sent to DeepSeek through the OpenRouter API. A single structured prompt extracts: - A TL;DR - Thematic topic groups - Decisions made - Open questions - Risks flagged - A participant list - Tags - Proposed action items, each with an owner, priority, due date, confidence score, source timestamp, and the exact transcript quote it came from 6. Send action items to the todo app. Each proposed task has a Create in Todo button. With one click, I send it to my separate local `agent-native-todo` service on port `8100`, along with the meeting title, evidence quote, and timestamp as context. The todo app runs independently; the meeting app only calls its REST API. 7. Review everything in the web miniapp. The results appear in a React SPA at `/miniapp/`, which includes a meeting list, FTS5 full-text search, transcripts with clickable timestamps that jump to the corresponding point in the audio, color-coded tasks, speaker name editing, and audio playback with seek. The stack is: - Backend: Python FastAPI, async SQLAlchemy, and SQLite - Transcription: faster-whisper, installed with `pip install faster-whisper` - Diarization: pyannote.audio or a similar tool; optional because transcription works without it - LLM: OpenRouter API with DeepSeek, using one structured prompt and JSON mode - Frontend: React, Vite, and plain CSS without a framework - Agent glue: Hermes Agent receives Telegram messages and orchestrates the API calls - Todo integration: Any task app with a REST API; the meeting app only needs to POST to it The only part that costs money is the LLM analysis step, which costs about $0.01 per meeting through DeepSeek. Everything else runs on my PC.

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#aiagent#localai#meetingtranscription#telegrambot#whisper
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The Rundown team

Build a Custom Mac Shortcut System with ChatGPT and Apple Shortcuts

I was tired of opening Spotlight every time I wanted to switch apps. The search results would move around, I would occasionally open the wrong app, and those few wasted seconds kept adding up throughout the day. Instead of memorizing a collection of unrelated hotkeys, I used ChatGPT Work to design and build a personalized shortcut system in Apple Shortcuts. The shortcuts can open individual apps, jump directly into specific Safari or Chrome profiles, or launch an entire work mode with one keystroke. For example, a recording shortcut could open your microphone, camera, recording software, and notes. An analytics shortcut could open all the dashboards you check each week. Step-by-step: 1. I opened the ChatGPT desktop app, started a new chat, and switched to Work mode. 2. I asked ChatGPT to plan shortcuts around my real workflow: Based on what you know about me and my workflow, suggest 10 time-saving hotkeys we can set up in Apple Shortcuts. I’m interested in opening specific apps and profiles based on what I need them for or what mode of work I’m going into. 3. I told it which apps, browser profiles, URLs, and work modes I use most. 4. I narrowed the list before making any changes by keeping the highest-frequency shortcuts and avoiding macOS or app conflicts. 5. In ChatGPT, I went to Settings → Computer Use and turned on Any App. 6. I gave ChatGPT the approved list and clearly limited its scope: Set these up in Apple Shortcuts. Do not change anything outside this list. Test each shortcut. 7. I opened All Shortcuts in Apple Shortcuts and ran each one manually. I used Quick Actions to add or change its keyboard shortcut. I like Control + Option because it is less likely to conflict with existing Mac commands. 8. I tested every shortcut while working in another app, checking that it opened the correct app, account, browser profile, or collection of tools before building more. 9. Once everything worked, I asked ChatGPT to create my reference: Write me a one-page cheat sheet of all the shortcuts you set up, where they live, and what’s left to do. The result is a personal shortcut system built around how I actually work, plus a one-page cheat sheet so I don’t have to memorize everything immediately. For the complete walkthrough, exact prompts, screenshots, and setup instructions, follow my full Rundown University guide: Use ChatGPT to Build a Custom Mac Shortcut System. Tools used: ChatGPT Work, Apple Shortcuts Industry: Cross-industry Tags: #chatgptwork #appleshortcuts #macautomation #productivity #workflowautomation

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#apple#automations#macbook#productivity
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