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some people read my substack.com/@ruben

644 following89k followers

The Thought Leader

Ruben Hassid is a blunt, highly practical AI writer who debunks hype and publishes playbooks, prompt templates, and free courses. He turns deep technical critique into easy-to-follow guides and sparks high-engagement conversations on model limits and real-world AI work. His tweets and newsletter are designed to teach, provoke, and get people doing useful work with AI.

Impressions
10.8M-1.8M
$2033.38
Likes
67k-10.6k
35%
Retweets
10.8k-1.6k
6%
Replies
2.2k-169
1%
Bookmarks
109.1k-19.9k
58%

Ruben writes anti-AI style guides so thorough that the robots file a restraining order, and he still finds a new way to tell AI what not to do for the fun of it. It's like watching a grammar teacher argue philosophy with a toaster.

Built a massively influential free resource ecosystem, a newsletter reaching hundreds of thousands and multiple viral threads (including a 14M-view takedown of model 'reasoning') that changed how people prompt and evaluate AI.

To demystify AI and make powerful, responsible practices accessible, teaching people how to use models well, spot bad claims, and build useful AI workflows instead of chasing headlines.

Skeptical of AGI hype and model mysticism; conviction that most current systems memorize patterns rather than 'reason'; education and clear process beat jargon; practical, reproducible playbooks are the path to real AI adoption.

Transforms technical nuance into actionable templates and step-by-step guides; excellent at cutting through hype; creates free, high-value resources that scale; consistently high engagement and credible voice in the AI community.

Can come across as contrarian or overly corrective, which risks alienating folks who love hype; deep focus on one style of tooling/prompting can narrow appeal; prolific posting sometimes trades depth for speed.

Turn newsletter deep-dives into a recurring X thread series (teaser → long thread → CTA to newsletter files). Pin a 'starter pack' thread linking the .md downloads and a short video demo of the 29-word prompt. Use reply-threads to engage top AI accounts, host regular X Spaces Q&As, clip highlights into short native videos, and run one targeted thread per week that showcases real before/after outputs using his prompt templates to drive retweets and signups.

Fun fact: he offers downloadable .md prompt files and claims a 369,000+ weekly newsletter readership; his most viral post hit ~14 million views. Profile stats: ~56k followers, ~568 following, and 16,809 tweets, he tweets for a living (or close to it).

Top tweets of Ruben Hassid

How to climb all 4 layers of Claude in one weekend: (even if you just signed up yesterday) ✦ Level 1: Claude Chat (Saturday morning) Go to claude .com/download. Install the app. Pay the $20. Select Opus 4.6 + Extended Thinking. Connect Slack, Drive, Notion through Connectors. Stop writing long prompts. Prompt this instead: "I want to [TASK] for [SUCCESS CRITERIA]. Use AskUserQuestion before you start." Most people stay here forever. You're leaving 90% of Claude untouched. Claude Basics: https://t.co/jw2qdIbLxJ. —— ✦ Level 2: Claude Cowork (Saturday afternoon) Go to 'Cowork'. Create a folder "Claude-Cowork." 4 subfolders. About me, template, project & outputs Create about-me .md: what you do, how you do. Create anti-ai-style .md: words you'd never say. Set Global Instructions (Settings → Cowork → Edit): "Always read my files first, never edit my originals, deliver everything to CLAUDE OUTPUTS." You just killed prompting. From now on, your prompt is 2 lines + your folder. Move on to Cowork: https://t.co/uWTpOI3oyE —— ✦ Level 3: Skills + Plugins (Sunday morning) Open Cowork. Type: "Use the skill-creator to help me build a skill for [your most repeated task]." Claude interviews you. Answer and be specific. It generates a SKILL .md. Test it: "When would you use this skill?" If the description is vague, fix it. Upload: Settings → Capabilities → Skills → Upload. Now it fires automatically. No slash command. Install Plugins: Cowork > Customize > Browse plugin Skills with about-me .md. Skill handles the process. Voice file handles tone. Two layers simultaneously. Set up Claude Skills: https://t.co/SAErc3JcLL —— ✦ Level 4: Code + Computer (Sunday afternoon) Click the Code tab. Create a folder. Connect GitHub (free account → Settings → Connectors). Prompt: "Create a GitHub repo named [project]. Code everything. Don't ask for permissions." Download VS Code. Install the Claude extension. Turn on "Skip Permissions" to go 100x faster. After your session, paste this: "Create a CLAUDE .md file with everything you learned about this project." Now Claude remembers your fonts, colors, and structure forever. Claude code guide: https://t.co/UgE9xBXnm6 Claude Computer: Settings → Desktop app → turn on Browser use + Computer use. Connect your phone with Dispatch. Text a task. Schedule a recurring task: left sidebar → Scheduled → write the prompt → pick the frequency. Claude Computer: https://t.co/ZfjFaaMknc This is where you stop working inside Claude. Claude starts working on your computer. —— Saturday, you were prompting like it's ChatGPT. Sunday, Claude is running your screen, building your website, & sending you text updates. That's all 4 layers. In one weekend.

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The Anatomy of a Claude 4.6 Prompt: 1. Task Define what you want & what success looks like: "I want to [TASK] so that [SUCCESS CRITERIA]." No roles, "act as a senior expert." That era is over. 2. Context Files Upload context files with your expertise and rules: "First, read these files completely before responding: [filename .md] - [what it contains]." AI went from reading a sticky note to an entire book. Stop explaining yourself in the prompt. Put it in files. 3. Reference Show AI exactly what you want. Upload an example. Then give patterns, tone & structure as rules. No "give me something like" & hoping AI figures it out. 4. Brief This is the only part you actually type from scratch. Everything else is files. "Type of output + length. Does NOT sound like. Success means." 5. Rules Context file holds your standards, taste & audience. Prompt: "Read it fully before starting. If you're about to break one of my rules, stop and tell me." 6. Conversation You spent 3 years prompting AI. Now it prompts you Prompt: "DO NOT start executing yet. Ask me clarifying questions (use 'AskUserQuestion' tool) so we can refine the approach together step by step." 7. Plan Claude read your files before writing a single word. Prompt: "Before you write anything, list the 3 rules from my context file that matter most for this task. Then give me your execution plan." 8. Alignment Nothing happens until you both see the same aim. This replaces the old prompting era. Prompt: "Only begin work once we've aligned." Copy the full prompt template + download my personal md. files for Claude here: https://t.co/psB7XxAv8w.

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Stop writing 500-word prompts. This 29-word prompt writes better than all of them: "Read my anti-AI writing style file first. It contains every known pattern of AI writing I want to avoid. Apply these as rules to everything you write for me." That's it. But you need to set it up first. Here's how: Step 1. Go to Wikipedia. Step 2. Search "Signs of AI writing." Step 3. Copy the entire page. Step 4. Paste it into a Google Doc. Don't edit. Step 5. Name it "anti-ai-writing." Step 6. Download as .md format. Step 7. This is your "what NOT to sound like" file. Or skip all of that. To download the anti-AI guide: Step 1. Go to https://t.co/psB7XxAv8w. Step 2. Subscribe for free. Don't pay anything. Step 3. Open my welcome email. Step 4. Hit the automatic reply button inside. Step 5. Download my .md files. Ready to upload. Step 6. Upload it to Claude. Prompt: "Read the uploaded file. It contains every known pattern of AI writing I want to avoid. Apply these as rules to everything you write for me. Do NOT start writing yet - ask me clarifying questions first." ✦ Here's why your prompts don't work (red flags): "Don't use jargon." "Don't sound like an AI." "Don't use buzzwords or filler." "Avoid passive voice." "Be conversational, not robotic." These are everywhere. LinkedIn posts. Emails. They sound thorough. The output is still garbage. Your prompt says "don't" 14 times. The model forgets half by sentence three. You're fighting the AI with a wall of "don'ts." It doesn't work at scale. The fix is counterintuitive. Stop telling the AI what to avoid. Give it a file that shows what to avoid. The model reads 1,168 lines of bad patterns, internalizes them, and writes clean. 500-word prompt → still robotic. Small prompt + 1 file → reads as a human wrote it. 1. To get access, go to https://t.co/psB7XxAv8w. 2. The Claude guide at https://t.co/jw2qdIbLxJ. 3. The Claude cowork guide at https://t.co/uWTpOI3oyE.

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Anthropic is offering 13 AI courses & certificates. It's free by following these 13 links: 1 - Claude 101. Learn Claude for everyday work. Core features and best practices. ↳ anthropic.skilljar.com/claude-101 2 - AI Fluency: Framework & Foundations. The foundational thinking course. Must need. ↳ anthropic.skilljar.com/ai-fluency-fra… 3 - Introduction to Agent Skills Build, configure, and share Skills in Claude Code — reusable instructions Claude applies automatically. ↳ anthropic.skilljar.com/introduction-t… 4 - Building with the Claude API Full spectrum: function calling, tool use, streaming, SDKs, and production patterns. ↳ anthropic.skilljar.com/claude-with-th… 5 - Claude Code in Action Integrate Claude Code into your dev workflow. Hands-on, practical, ship-focused. ↳ anthropic.skilljar.com/claude-code-in… 6 - Intro to Model Context Protocol Build MCP servers and clients from scratch in Python. Tools, resources, and prompts. ↳ anthropic.skilljar.com/introduction-t… 7 - MCP: Advanced Topics Sampling, notifications, file system access, and transport for production MCP servers. ↳ anthropic.skilljar.com/model-context-… 8 - AI Fluency for Students AI skills for learning, career planning, and academic success through responsible collaboration. ↳ anthropic.skilljar.com/ai-fluency-for… 9 - AI Fluency for Educators For faculty and instructional designers applying AI Fluency into teaching and institutional strategy. ↳ anthropic.skilljar.com/ai-fluency-for… 10 - Teaching AI Fluency Teach and assess AI Fluency in instructor-led settings. Curriculum-ready. ↳ anthropic.skilljar.com/teaching-ai-fl… 11 - AI Fluency for Nonprofits Increase organizational impact and efficiency while staying mission-true. ↳ anthropic.skilljar.com/ai-fluency-for… 12 - Claude with Amazon Bedrock The full AWS accreditation course, now open to everyone. ↳ anthropic.skilljar.com/claude-in-amaz… 13 - Claude with Google Cloud's Vertex AI Work with Claude through Google Cloud's Vertex AI, from setup to production. ↳ anthropic.skilljar.com/claude-with-go… 14 - How to master AI with words (not code) Shameless plug: it's my own (free) newsletter. Join 369,000+ weekly readers at how-to-ai.guide. I made how-to-claude.ai to start mastering Claude. And then claude-co.work to master Claude Cowork. ♻️ Repost this to help others access AI courses.

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How to set up the Claude completely in just 1 day: (Save this. Send it to your team. Thank me later.) Tool 1: Cowork Download Claude (claude .com/download). Open the Cowork tab. Select a folder from your computer. Now build your brain file. Create "about-me .md." To download mine, go here: https://t.co/psB7XxAv8w. Don't pay anything. It's free in the welcome email. Then, start every chat with this prompt: "Read the files first. Then ask me questions before doing anything." Tool 2: Model Pick Opus 4.6 (it's the best model right now). Turn on Extended Thinking. Most skip this & wonder why Claude feels generic. Then go to Settings > Connectors. Link Slack, Google Drive, Notion. Claude now reads your actual workspace. Tool 3: Excel Open Excel. Go to Insert > Get Add-ins. Search "Claude by Anthropic." Install. Open any spreadsheet. Ask: "Give me a summary of each tab." Claude lives inside the spreadsheet. It knows what D14 actually contains. Tool 4: Plugins Go to claude .com/plugins. Pick the one as per your job. Marketing. Sales. Legal. Finance. Data. Click install. Type / in your next chat. Legal software companies lost $285B in market cap when these dropped. That's a signal. Tool 5: Artifacts Nothing to install. Ask Claude to build something. "Create an interactive HTML calculator for [thing]." You get a working tool inside the chat. Not text. Not a suggestion. A thing you click and use. Tool 6: Projects Go to claude .ai. Click Projects. Create one. Upload your files and add instructions. Every chat inside the project remembers your context. Honest take: Cowork replaced this for me. But for teams, it still works. Where Claude falls short: No image generation. Use Gemini. Not the best at real-time search. Use Grok. Not the best at everything. No tool is. But for writing, thinking, analyzing, and working with your files? It's the best. The real difference: Most people open Claude, type one prompt, get a mid response, and leave. Because they set up one tool out of six. Set up all six. It takes 1 day. Then you'll understand why everyone switched. Full setup guide + features: https://t.co/jw2qdIbLxJ Full Claude cowork set up: https://t.co/uWTpOI3oyE Follow for more @rubenhassid

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You're using Claude wrong. Here's my (exact) setup before I even prompt: Step 1. Download Claude and open Cowork → Go to Claude. com/ download. → Install the desktop app. → Click the Cowork tab at the top. → You need a Pro plan ($20/mo). Worth it. → Full guide here: https://t.co/g6oLzWSOuo --- Step 2. Select the right model (don't skip this) → Click the model dropdown. → Select "Opus 4.6." → Turn on "Extended Thinking." → Never change these. Wrong model = bad output. --- Step 3. Build your folder → Create one master folder on your computer. → Inside it, create 4 subfolders: ✦ ABOUT ME - who you are + how you write ✦ PROJECTS - one subfolder per live project ✦ TEMPLATES - your best work as structures ✦ OUTPUTS - where Claude saves finished files → Upload this folder. That's how it reads you. --- Step 4. Create 3 context files inside ABOUT ME → These replace prompting. This is the setup. → Create them as .md files. Plain text, saved as .md ✦ about-me.md - what you do day-to-day. ✦ my-voice.md - tone, phrases you hate, 3 example ✦ my-rules.md - ask first, show a plan, get approval OR Simply download my .md files here: https://t.co/psB7XxAv8w Subscribe for free. Open my welcome email. Hit the automatic reply button inside. --- Step 5. Set Global Instructions (once, forever) Go to Settings → Cowork → Edit Global Instructions. → Paste: "I'm [Name], [Role]. Read my files before every task. Ask clarifying questions before executing. Show a plan before acting. Never delete without my approval." → You set this once. It runs every session. → Your prompts can now be 10 words long. --- Before your next Cowork session, check these: 1. Am I in Cowork (not Chat)? 2. Is Opus 4.6 + Extended Thinking on? 3. Did I point it to my folder with context files? Set these first. Then prompt. Top 1% of Claude users do this. Now you can too.

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Most engaged tweets of Ruben Hassid

Elon promises AGI paradise where work becomes optional, but Mouse Utopia already delivered that in 1968 with infinite resources and every mouse died anyway. What killed them might kill us too. In 1968, psychologist John B. Calhoun built a "rodent paradise" with 256 nestboxes, unlimited resources, and no disease. He introduced four breeding pairs and watched them thrive. At first. Population doubled every 55 days. Social structures formed and everything looked normal. Then the crowding hit. By Day 315, defeated males gathered in the center. They were fighting, biting, and purposeless. Stressed mothers abandoned their young and infant mortality spiked to 96%. Despite unlimited food, the social fabric was tearing apart. Phase D was the behavioral sink: - Two-thirds became withdrawn outcasts - One-third turned hyper-aggressive - Females grew violent toward pups Then came the "Beautiful Ones." These are the males who spent entire days grooming themselves, ignoring mating or territory defense entirely. (incels or looksmaxxing guys today) They were physically perfect. But psychologically, they were destroyed. Births ceased. The last generation never learned social skills, and the colony went extinct. Calhoun concluded: "The death of their spirit preceded the death of their bodies." The main problem was lack of purpose. Let's make some parallels today. Elon Musk predicts AI + robotics will create "universal high income" which is an economy so abundant that work becomes optional and material needs vanish. He calls it an "infinite money glitch." But the question that immediately comes to mind is: "What do people do with all that extra time?" AGI would give us Mouse Utopia at scale. It would give us unlimited resources, zero material struggle, and every physical need met. And if you think you won't experience AGI in your lifetime, well, think again. Look at the current data: > High-income nations report 15% lifetime depression rates vs. 11% in poorer countries > North America leads the world in "deaths of despair", i.e. overdoses, alcoholism, suicide among young adults ages 25–34. > U.S. fertility dropped from 2.1 (replacement rate) in 2007 to 1.6 in 2023. > Young men increasingly withdraw into gaming, isolation, disengagement, the modern "Beautiful Ones." Every previous revolution (farms > factories > computers) displaced labor but humans moved up the skill ladder. AGI threatens to replace every cognitive task. When machines think, create, and plan as well as we do, there's nowhere "higher" to go. For the first time in history, innovation might eliminate human necessity entirely. Calhoun believed better environmental design could preserve social health by giving individuals meaningful roles even in abundance. If we build a world where AI solves everything, we must deliberately inject challenge, creativity, and community into lives. Meaning: > Competitive domains beyond AI's reach (philosophy, art, wilderness, space) > Universal education focused on fulfillment, not job training > Civic structures that create purpose If AGI grants us automatic comfort, will we remember why we're here? Mouse Utopia serves as a perfect example that comfort without purpose isn't paradise. It feels good for a bit, but ultimately: It's the path to extinction.

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How to make Claude (brutally) honest. So, it stops agreeing with everything I say. Here's how: → Start by reading this: https://t.co/LyV7fegv4c. → Go to Claude > Settings. → Paste the prompt in 'Instructions for Claude': "You are committed to honesty, accuracy, and epistemic humility above all else. Your priority is not to sound confident. Your priority is to be correct, clear, and transparent about what you know, what you do not know, and what you are inferring. Follow these rules in every response: 1. UNCERTAINTY If you are not fully certain about a fact, say so clearly. Use phrases like: - "I'm not certain, but..." - "You should verify this..." - "I may be wrong here, but..." - "Based on the information available to me..." - "This is my best estimate, not a confirmed fact." Never state uncertain claims as facts. If the answer depends on missing context, say what context is missing. If there are multiple plausible answers, explain the main possibilities instead of pretending there is only one. 2. SOURCES Do not invent sources. Never fabricate: - paper titles - URLs - authors - studies - statistics - books - legal cases - quotes - company reports - historical references If you cannot name a real, verifiable source, say so. If you are relying on general knowledge rather than a specific source, say that clearly. When citing sources, prefer: - official documentation - primary sources - peer-reviewed papers - government or institutional data - direct statements from the relevant person or organization If a source may be outdated, say so. 3. STATISTICS AND NUMBERS Flag any number, statistic, percentage, ranking, market size, salary figure, performance metric, or estimate that you are not fully confident in. Use phrases like: - "I believe this is approximately..." - "This number may be outdated." - "Verify this against a primary source before relying on it." - "I do not have enough information to confirm the exact figure." Do not make up numbers to make an answer sound more useful. If a precise number is unavailable, give a range only if it is justified. Otherwise say the number is unknown. 4. RECENT EVENTS Do not guess about current events. For any topic that may have changed recently, including: - news - elections - laws - regulations - product features - company leadership - software versions - AI model capabilities - market data Say that the information may have changed and should be verified with a current source. Do not present outdated information as current. 5. PEOPLE AND QUOTES Never attribute a quote to a real person unless you are certain they said it. If unsure, say: - "I cannot confirm this quote is accurate." - "This quote is commonly attributed to them, but I cannot verify it." - "I do not know who originally said this." Do not invent statements, beliefs, or motives for real people. Separate confirmed facts from interpretation. If any answer is "yes," revise before responding."

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