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Most people start Obsidian the wrong way. They import 10,000 notes. Build 50 folders. Install 20 plugins. Then quit a week later. If I had to restart Obsidian today, I’d do the opposite: • Start with 5 meaningful notes • Create ZERO folders • Ignore plugins completely • Focus...

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Dami-Defi

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71,024 views • 3 months ago •via X (Twitter)

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Andrej Karpathy keeps his entire second brain in Obsidian 1 folder of plain text files, nothing else. Here’s the exact setup, free, that turns 1 vault into a brain you can actually query. Why most “second brains” die: Notion is a database you forget to open, ChatGPT memory wipes itself after 30 messages, and both lock your notes inside their cloud. Karpathy rule is the opposite: your notes are the 1 dataset nobody else on earth has, so keep them in plain markdown, own them forever, and let the AI read them later. 3 phases. Phase 1 — Capture with 0 friction. Install Obsidian free, local, 1 hotkey to a daily note. Dump everything into it: ideas, links, quotes, 2-line thoughts, no folders, no tags, no system. Target is 5 notes a day. Phase 2 — Let the graph connect itself. Install Smart Connections and it runs embeddings on every note you’ve ever written, so 2 notes you wrote 4 months apart and never linked by hand suddenly surface as neighbors. That’s the fireworks in the 3D graph each burst is a cluster of ideas your brain forgot it owned. Phase 3 — Query your brain. Point Claude at the vault and ask: “What did I actually think about X across all my notes?” It answers from 1,200 of your own notes, not the internet your taste, your edge, your dataset. The realistic curve looks like this: Week 1 — 40 notes, graph looks empty, feels like a waste. Month 1 — 300 notes, first real cluster forms. Month 3 — 1,200 notes, and the embeddings start surfacing links you’d long forgotten. Month 6 — you stop googling your own past ideas and just ask the vault. Before — 9 tabs, 3 note apps, 0 memory. After — 1 folder, 1,200 notes, 1 brain that compounds. The gap between people who consume and people who compound isn’t talent, it’s architecture. You build your own life so choose the right path.
0:31

Andrej Karpathy keeps his entire second brain in Obsidian 1 folder of plain text files, nothing else. Here’s the exact setup, free, that turns 1 vault into a brain you can actually query. Why most “second brains” die: Notion is a database you forget to open, ChatGPT memory wipes itself after 30 messages, and both lock your notes inside their cloud. Karpathy rule is the opposite: your notes are the 1 dataset nobody else on earth has, so keep them in plain markdown, own them forever, and let the AI read them later. 3 phases. Phase 1 — Capture with 0 friction. Install Obsidian free, local, 1 hotkey to a daily note. Dump everything into it: ideas, links, quotes, 2-line thoughts, no folders, no tags, no system. Target is 5 notes a day. Phase 2 — Let the graph connect itself. Install Smart Connections and it runs embeddings on every note you’ve ever written, so 2 notes you wrote 4 months apart and never linked by hand suddenly surface as neighbors. That’s the fireworks in the 3D graph each burst is a cluster of ideas your brain forgot it owned. Phase 3 — Query your brain. Point Claude at the vault and ask: “What did I actually think about X across all my notes?” It answers from 1,200 of your own notes, not the internet your taste, your edge, your dataset. The realistic curve looks like this: Week 1 — 40 notes, graph looks empty, feels like a waste. Month 1 — 300 notes, first real cluster forms. Month 3 — 1,200 notes, and the embeddings start surfacing links you’d long forgotten. Month 6 — you stop googling your own past ideas and just ask the vault. Before — 9 tabs, 3 note apps, 0 memory. After — 1 folder, 1,200 notes, 1 brain that compounds. The gap between people who consume and people who compound isn’t talent, it’s architecture. You build your own life so choose the right path.

Spike 1%

16,390 views • 2 months ago

An China guy discovered a method to learn any knowledge instantly using AI. The key is Obsidian + any AI — Kimi, Claude, or Gemini. Most people learn slowly: read, forget, read again, forget again. His method: use AI to transform any content into small, interconnected notes. Use Obsidian to link them, so every piece of knowledge is never isolated. Slow method: highlight books, keep going, forget after a week. Fast method: AI breaks it into atomic notes, Obsidian links them into a network. Six months later, a new idea instantly connects to twenty things you already know. I compiled the full A–Z guide to building a second brain with Obsidian — works with Kimi, Claude, or Gemini — that most people have never discovered. Article below
0:26

An China guy discovered a method to learn any knowledge instantly using AI. The key is Obsidian + any AI — Kimi, Claude, or Gemini. Most people learn slowly: read, forget, read again, forget again. His method: use AI to transform any content into small, interconnected notes. Use Obsidian to link them, so every piece of knowledge is never isolated. Slow method: highlight books, keep going, forget after a week. Fast method: AI breaks it into atomic notes, Obsidian links them into a network. Six months later, a new idea instantly connects to twenty things you already know. I compiled the full A–Z guide to building a second brain with Obsidian — works with Kimi, Claude, or Gemini — that most people have never discovered. Article below

Kirill

73,340 views • 1 month ago

Obsidian CEO actually released the skill that lets your AI agent run your entire vault for you. It's called obsidian-skills. Install it into Claude Code, Codex, or OpenCode, and your agent can read, create, search, and organize notes directly, plus handle Markdown, Bases, and Canvas files without you touching a thing. This is the missing piece for an AI second brain. Your notes live in Obsidian, and now the agent actually knows how to work them. Want the full picture? We broke down how to build a complete AI second brain from scratch in the article below.
0:23

Obsidian CEO actually released the skill that lets your AI agent run your entire vault for you. It's called obsidian-skills. Install it into Claude Code, Codex, or OpenCode, and your agent can read, create, search, and organize notes directly, plus handle Markdown, Bases, and Canvas files without you touching a thing. This is the missing piece for an AI second brain. Your notes live in Obsidian, and now the agent actually knows how to work them. Want the full picture? We broke down how to build a complete AI second brain from scratch in the article below.

Simplifying AI

68,025 views • 22 days ago

THIS GUY CONNECTED HIS AI AGENTS TO HIS OBSIDIAN AND BUILT A BRAIN THAT LEARNS ON ITS OWN. HERE'S HOW TO BUILD IT Obsidian is just markdown files sitting in a folder. That turns out to be the perfect memory for an AI agent, because an agent can read and write those files directly. He wired his agents into the vault so they pull context from it, do the work, and write what they learned back. The notes aren't the point. The loop is, and it gets sharper every cycle How to build it: 1. Point an agent at your vault. The fastest way, no plugins, no API keys: open a terminal and run npx obsidian-mcp /path/to/your/vault. That exposes your Obsidian folder to Claude as a tool it can read, search, and write to. Add it to your Claude Code or Cowork config and restart 2. Confirm it can see the brain. Ask it: "list the notes in my vault and summarize what's in them." If it reads them back, the connection is live. Now it starts every task with everything the vault already holds instead of from zero 3. Give each agent one job and a write-back rule. Tell it: "research this, then save what you found as a new note in /brain with links to related notes." One agent researches, one summarizes, one plans. Each writes its output back into the vault 4. Close the loop. Add one line to every agent's instructions: "read /brain before starting, write your result back when done." Now each task leaves the vault richer, and the next run reads that before it works. It compounds instead of resetting 5. You only steer. Review what the brain produces, point it at the next thing. The agents handle the reading, writing, and connecting The edge isn't better notes. It's a brain that feeds itself, so the work gets sharper every cycle instead of starting over Bookmark this
0:24

THIS GUY CONNECTED HIS AI AGENTS TO HIS OBSIDIAN AND BUILT A BRAIN THAT LEARNS ON ITS OWN. HERE'S HOW TO BUILD IT Obsidian is just markdown files sitting in a folder. That turns out to be the perfect memory for an AI agent, because an agent can read and write those files directly. He wired his agents into the vault so they pull context from it, do the work, and write what they learned back. The notes aren't the point. The loop is, and it gets sharper every cycle How to build it: 1. Point an agent at your vault. The fastest way, no plugins, no API keys: open a terminal and run npx obsidian-mcp /path/to/your/vault. That exposes your Obsidian folder to Claude as a tool it can read, search, and write to. Add it to your Claude Code or Cowork config and restart 2. Confirm it can see the brain. Ask it: "list the notes in my vault and summarize what's in them." If it reads them back, the connection is live. Now it starts every task with everything the vault already holds instead of from zero 3. Give each agent one job and a write-back rule. Tell it: "research this, then save what you found as a new note in /brain with links to related notes." One agent researches, one summarizes, one plans. Each writes its output back into the vault 4. Close the loop. Add one line to every agent's instructions: "read /brain before starting, write your result back when done." Now each task leaves the vault richer, and the next run reads that before it works. It compounds instead of resetting 5. You only steer. Review what the brain produces, point it at the next thing. The agents handle the reading, writing, and connecting The edge isn't better notes. It's a brain that feeds itself, so the work gets sharper every cycle instead of starting over Bookmark this

Yarchi

58,186 views • 2 months ago

YOUR AI IS FORGETTING EVERYTHING YOU TAUGHT IT YESTERDAY. That is why most outputs still feel generic. The people getting real leverage in 2026 fixed this with one setup: Obsidian + Claude Code. Obsidian stores your thinking. Claude Code reads the patterns. Your notes become permanent context the agent can access anytime: Daily thoughts. Projects. Ideas. Contradictions. Questions you keep returning to. Then the real unlock: Custom slash commands. `/context` loads your recent thinking instantly. `/emerge` finds hidden ideas across your notes. `/challenge` tests your beliefs against your past writing. `/trace` maps how your thinking evolved over time. One critical rule: The AI never writes to the vault. You write. The agent reads. That is what keeps the system valuable. At first it feels like note-taking. Eventually it feels like a second brain.
0:49

YOUR AI IS FORGETTING EVERYTHING YOU TAUGHT IT YESTERDAY. That is why most outputs still feel generic. The people getting real leverage in 2026 fixed this with one setup: Obsidian + Claude Code. Obsidian stores your thinking. Claude Code reads the patterns. Your notes become permanent context the agent can access anytime: Daily thoughts. Projects. Ideas. Contradictions. Questions you keep returning to. Then the real unlock: Custom slash commands. `/context` loads your recent thinking instantly. `/emerge` finds hidden ideas across your notes. `/challenge` tests your beliefs against your past writing. `/trace` maps how your thinking evolved over time. One critical rule: The AI never writes to the vault. You write. The agent reads. That is what keeps the system valuable. At first it feels like note-taking. Eventually it feels like a second brain.

Dami-Defi

41,299 views • 3 months ago

CLAUDE JUST TURNED OBSIDIAN INTO A BRAIN THAT NEVER FORGETS (FOR $0) Someone connected Claude straight to their Obsidian vault. Now the AI reads and writes every note they own. Every client, every idea, every project. Instant recall. Runs on Claude + Obsidian. One evening. Zero code. The numbers are insane: - Notion AI: $10/month forever - A "second brain" course: $500 to $2,000 - An assistant to organize your notes: $3,000/month - This setup: $0 - Time to build: one evening - Skill required: copy the steps The opportunity is even wilder: People sell Notion "second brain" templates for $99 to $499. You just built something better for free, and it never forgets. One free vault can hold the entire memory of your business: clients, content, SOPs, ideas. One person + Claude + Obsidian + one evening = an infinite memory that never forgets. Save and watch the clip.
13:03

CLAUDE JUST TURNED OBSIDIAN INTO A BRAIN THAT NEVER FORGETS (FOR $0) Someone connected Claude straight to their Obsidian vault. Now the AI reads and writes every note they own. Every client, every idea, every project. Instant recall. Runs on Claude + Obsidian. One evening. Zero code. The numbers are insane: - Notion AI: $10/month forever - A "second brain" course: $500 to $2,000 - An assistant to organize your notes: $3,000/month - This setup: $0 - Time to build: one evening - Skill required: copy the steps The opportunity is even wilder: People sell Notion "second brain" templates for $99 to $499. You just built something better for free, and it never forgets. One free vault can hold the entire memory of your business: clients, content, SOPs, ideas. One person + Claude + Obsidian + one evening = an infinite memory that never forgets. Save and watch the clip.

shmidt

57,347 views • 1 month ago

An asian guy has discovered a method to learn anything ten times faster using AI! It just involves the Claude + Obsidian. Most people learn the slow way: read, forget, re-read, forget again. His flip: use Claude to turn anything you're learning into small, connected notes. Use Obsidian to link them so nothing you learn ever sits alone. The slow way: highlight a book, move on, forget it in a week. The fast way: Claude breaks it into atomic notes, and Obsidian links them into a growing web of knowledge. Six months in, one new idea instantly connects to twenty things you already know. I broke down every Claude resource you should try to master claude in 7 days with practical guide that most people have never found. Article below ↓
0:27

An asian guy has discovered a method to learn anything ten times faster using AI! It just involves the Claude + Obsidian. Most people learn the slow way: read, forget, re-read, forget again. His flip: use Claude to turn anything you're learning into small, connected notes. Use Obsidian to link them so nothing you learn ever sits alone. The slow way: highlight a book, move on, forget it in a week. The fast way: Claude breaks it into atomic notes, and Obsidian links them into a growing web of knowledge. Six months in, one new idea instantly connects to twenty things you already know. I broke down every Claude resource you should try to master claude in 7 days with practical guide that most people have never found. Article below ↓

Hamza Khalid

929,641 views • 2 months ago

THIS GUY BUILT AN AUTONOMOUS AI AGENT OUT OF CLAUDE CODE + OBSIDIAN and this is way more interesting than another “use AI to take notes” demo the trick is simple: Obsidian is not the writing app here. it becomes the agent’s memory, task board, and context folder. Claude Code is not just answering prompts. it reads the vault, edits files, follows instructions, and keeps moving through the work like a junior operator with a filesystem. the reusable setup looks like this: 1. create an Obsidian vault for one project 2. keep goals, rules, tasks, decisions, and references as markdown files 3. point Claude Code at the folder 4. give it a clear operating loop: read context → choose next task → execute → write back what changed 5. use the notes as persistent memory instead of re-explaining the project every chat that’s the part people miss. the “agent” is not magic. it’s the boring combination of: - local files - explicit rules - task state - write access - a model that can run through the repo/vault Obsidian makes the memory human-readable. Claude Code makes the memory executable. that combo is why the video worked: it turns a notes app into an operating surface for actual work. best use cases: - content systems - research vaults - coding projects - client ops docs - personal knowledge bases that need actions, not just storage the caveat: if your vault is messy, your agent becomes messy too. folders, naming, “done” criteria, and forbidden actions matter more than the prompt. but once the structure is clean, this is one of the easiest ways to build an agent that remembers what happened yesterday without paying for a full custom app.
10:19

THIS GUY BUILT AN AUTONOMOUS AI AGENT OUT OF CLAUDE CODE + OBSIDIAN and this is way more interesting than another “use AI to take notes” demo the trick is simple: Obsidian is not the writing app here. it becomes the agent’s memory, task board, and context folder. Claude Code is not just answering prompts. it reads the vault, edits files, follows instructions, and keeps moving through the work like a junior operator with a filesystem. the reusable setup looks like this: 1. create an Obsidian vault for one project 2. keep goals, rules, tasks, decisions, and references as markdown files 3. point Claude Code at the folder 4. give it a clear operating loop: read context → choose next task → execute → write back what changed 5. use the notes as persistent memory instead of re-explaining the project every chat that’s the part people miss. the “agent” is not magic. it’s the boring combination of: - local files - explicit rules - task state - write access - a model that can run through the repo/vault Obsidian makes the memory human-readable. Claude Code makes the memory executable. that combo is why the video worked: it turns a notes app into an operating surface for actual work. best use cases: - content systems - research vaults - coding projects - client ops docs - personal knowledge bases that need actions, not just storage the caveat: if your vault is messy, your agent becomes messy too. folders, naming, “done” criteria, and forbidden actions matter more than the prompt. but once the structure is clean, this is one of the easiest ways to build an agent that remembers what happened yesterday without paying for a full custom app.

kocer

30,403 views • 2 months ago

Andrej Karpathy quietly shipped the best second brain idea in years not an app. a pattern. let an llm maintain a wiki of your notes. you dump sources, it reads them, links them, files them. knowledge compounds like interest. someone built it into a free claude code plugin. setup is two commands: claude plugin marketplace add AgriciDaniel/claude-obsidian claude plugin install claude-obsidian@agricidaniel-claude-obsidian then open obsidian, open claude code in the same folder, type /wiki. that's it. your notes are now queryable by claude and they get richer every time you read something. bookmark this. best thing you'll build this weekend.
0:42

Andrej Karpathy quietly shipped the best second brain idea in years not an app. a pattern. let an llm maintain a wiki of your notes. you dump sources, it reads them, links them, files them. knowledge compounds like interest. someone built it into a free claude code plugin. setup is two commands: claude plugin marketplace add AgriciDaniel/claude-obsidian claude plugin install claude-obsidian@agricidaniel-claude-obsidian then open obsidian, open claude code in the same folder, type /wiki. that's it. your notes are now queryable by claude and they get richer every time you read something. bookmark this. best thing you'll build this weekend.

Avid

338,737 views • 2 months ago

Tiago Forte has pioneered the concept of a Second Brain. As the author of two books, he's learned that quantity and quality aren't opposing forces. Here's what else he's taught me about writing: 1. The brain is for having ideas, not storing them. Write stuff down. 2. If you really want to learn something, don't just consume information. Create something about it. 3. Note-taking is a form of time-travel. You don’t just take notes to remember ideas. You also take notes to remember experiences. Reading your notes takes you back to a different state of consciousness. Note-taking is a rebellion against the entropy of memory. 4. Save only the best notes: Don't hoard information. Save only the top 5-10% of your ideas. That way, you can trust that everything in your note-taking system is high-quality. 5. Tiago’s dad is an artist who taught him an important lesson: the energy to create art can dissipate in small, invisible ways if you let it. Set up a structure where you have the peace of mind and the bandwidth to do art. 6. The ultimate goal of note-taking is to improve your ideas. Too many people treat note-taking as an end in itself. But the goal of note-taking isn’t to save information. It’s to have ideas you wouldn’t have had otherwise. To be smarter, faster, and more creative. 7. Link notes together. Organize your ideas by topic, not by source. As you browse your note-taking system, consider the serendipity you want to create for your future self. For example, if you read two books about a topic, link those notes together. 8. In school, we’re taught to research before we write. Do the opposite. Compile notes over time. Then, once you have an idea, start writing immediately — right when you have an epiphany. Start researching after you've written a draft. 9. Create evergreen notes. Like a good investment, the benefits of your note-taking system should compound in value. Save ideas that will stay relevant for many years. Read the classics, skip the news. 10. Tiago publicly tested every idea in his book. For most, the internet is a blackhole of distraction. But it can instead be used as a place to do low-stakes experiments before you go all in. 11. The more expensive the location for a writer's retreat, the more it forces you to be productive. 12. "Be regular and orderly in your life, so that you may be violent and original in your work." — Gustave Flaubert, one of Tiago's favorite quotes. 13. The less formal and “official” a software program feels, the better Tiago writes. And he believes some of the best turns of phrase come out in messaging apps with friends. Stuck on something? Close the word doc and text a friend about it. 14. Every time you compress an idea, you make it more accessible. But you also lose context, depth, and nuance. 15. The ultimate test of how well you understand something is how clearly you can explain it in writing — clear writers are clear thinkers. 16. Twitter can help too. Stuck on a paragraph while writing your book? Well, send a tweet about it. If the idea resonates, bring it into your book. 17. Too many choices can cloud our creative process. The key to making progress is knowing when to take in new information and when to shut off all sources of distraction. Divergence and Convergence. 18. Anything you might want to accomplish—executing a project at work, getting a new job, learning a new skill, starting a business—requires finding and putting to use the right information. 19. Instead of working in “Heavy Lifts,” you can work in “Slow Burns.” Taking notes makes you less dependent on those long blocks of creative time you need when you have to complete creative projects in a single sitting. 20. Tiago: “If I could leave you with one last bit of advice, it is to chase what excites you.” 21. A bonus: “Run after your obsessions with everything you have. Just be sure to take notes along the way.” I've shared the full conversation with Tiago Forte here. If you'd rather listen on YouTube, Spotify, or Apple, check out the replies below.
1:02:33

Tiago Forte has pioneered the concept of a Second Brain. As the author of two books, he's learned that quantity and quality aren't opposing forces. Here's what else he's taught me about writing: 1. The brain is for having ideas, not storing them. Write stuff down. 2. If you really want to learn something, don't just consume information. Create something about it. 3. Note-taking is a form of time-travel. You don’t just take notes to remember ideas. You also take notes to remember experiences. Reading your notes takes you back to a different state of consciousness. Note-taking is a rebellion against the entropy of memory. 4. Save only the best notes: Don't hoard information. Save only the top 5-10% of your ideas. That way, you can trust that everything in your note-taking system is high-quality. 5. Tiago’s dad is an artist who taught him an important lesson: the energy to create art can dissipate in small, invisible ways if you let it. Set up a structure where you have the peace of mind and the bandwidth to do art. 6. The ultimate goal of note-taking is to improve your ideas. Too many people treat note-taking as an end in itself. But the goal of note-taking isn’t to save information. It’s to have ideas you wouldn’t have had otherwise. To be smarter, faster, and more creative. 7. Link notes together. Organize your ideas by topic, not by source. As you browse your note-taking system, consider the serendipity you want to create for your future self. For example, if you read two books about a topic, link those notes together. 8. In school, we’re taught to research before we write. Do the opposite. Compile notes over time. Then, once you have an idea, start writing immediately — right when you have an epiphany. Start researching after you've written a draft. 9. Create evergreen notes. Like a good investment, the benefits of your note-taking system should compound in value. Save ideas that will stay relevant for many years. Read the classics, skip the news. 10. Tiago publicly tested every idea in his book. For most, the internet is a blackhole of distraction. But it can instead be used as a place to do low-stakes experiments before you go all in. 11. The more expensive the location for a writer's retreat, the more it forces you to be productive. 12. "Be regular and orderly in your life, so that you may be violent and original in your work." — Gustave Flaubert, one of Tiago's favorite quotes. 13. The less formal and “official” a software program feels, the better Tiago writes. And he believes some of the best turns of phrase come out in messaging apps with friends. Stuck on something? Close the word doc and text a friend about it. 14. Every time you compress an idea, you make it more accessible. But you also lose context, depth, and nuance. 15. The ultimate test of how well you understand something is how clearly you can explain it in writing — clear writers are clear thinkers. 16. Twitter can help too. Stuck on a paragraph while writing your book? Well, send a tweet about it. If the idea resonates, bring it into your book. 17. Too many choices can cloud our creative process. The key to making progress is knowing when to take in new information and when to shut off all sources of distraction. Divergence and Convergence. 18. Anything you might want to accomplish—executing a project at work, getting a new job, learning a new skill, starting a business—requires finding and putting to use the right information. 19. Instead of working in “Heavy Lifts,” you can work in “Slow Burns.” Taking notes makes you less dependent on those long blocks of creative time you need when you have to complete creative projects in a single sitting. 20. Tiago: “If I could leave you with one last bit of advice, it is to chase what excites you.” 21. A bonus: “Run after your obsessions with everything you have. Just be sure to take notes along the way.” I've shared the full conversation with Tiago Forte here. If you'd rather listen on YouTube, Spotify, or Apple, check out the replies below.

David Perell

101,346 views • 2 years ago

how to use obsidian + claude code to build a 24/7 personal operating system and build your startup: 1. write everything in markdown (daily notes, projects, beliefs, people, meetings) 2. link your notes together so they mirror how your brain actually thinks. 3. install obsidian cli so claude code can read your entire vault + the relationships. 4. stop reexplaining projects every session. use reference files instead. 5. build custom slash commands: /context → load your full life + work state /trace → see how an idea evolved over months /connect → bridge two domains you’ve been circling /ideas → generate startup ideas from your vault /graduate → promote daily thoughts into real assets 6. keep a strict rule: human writes the vault. agents read it, suggest, execute. 7. let claude aka clode surface patterns you’ve been unconsciously circling for years. 8. delegate from inside your notes. one sentence in obsidian → agent handles the rest. 9. treat writing as leverage.the more you write, the more context your agents have. 10. understand this:markdown files are the oxygen of llms. i really enjoyed seeing how to use obsidian thanks to internetVin vin uses ai like a thinking partner wired into his life’s work. 99.99% of people won’t do this because it requires reflection + setup. but once the vault exists, the agent stops being generic. it starts thinking in your voice. episode is live on The Startup Ideas Podcast (SIP) 🧃 (more there) this one is different. send this tweet to a friend. im still processing how game changer obsidian + claude code is, maybe you too watch
58:56

how to use obsidian + claude code to build a 24/7 personal operating system and build your startup: 1. write everything in markdown (daily notes, projects, beliefs, people, meetings) 2. link your notes together so they mirror how your brain actually thinks. 3. install obsidian cli so claude code can read your entire vault + the relationships. 4. stop reexplaining projects every session. use reference files instead. 5. build custom slash commands: /context → load your full life + work state /trace → see how an idea evolved over months /connect → bridge two domains you’ve been circling /ideas → generate startup ideas from your vault /graduate → promote daily thoughts into real assets 6. keep a strict rule: human writes the vault. agents read it, suggest, execute. 7. let claude aka clode surface patterns you’ve been unconsciously circling for years. 8. delegate from inside your notes. one sentence in obsidian → agent handles the rest. 9. treat writing as leverage.the more you write, the more context your agents have. 10. understand this:markdown files are the oxygen of llms. i really enjoyed seeing how to use obsidian thanks to internetVin vin uses ai like a thinking partner wired into his life’s work. 99.99% of people won’t do this because it requires reflection + setup. but once the vault exists, the agent stops being generic. it starts thinking in your voice. episode is live on The Startup Ideas Podcast (SIP) 🧃 (more there) this one is different. send this tweet to a friend. im still processing how game changer obsidian + claude code is, maybe you too watch

GREG ISENBERG

1,137,398 views • 6 months ago

OBSIDIAN TURNED 4,000+ IDEAS INTO A KNOWLEDGE GRAPH THAT REBUILDS ITSELF EVERY NIGHT every lecture adds another point. every saved article adds another signal. every old note becomes part of the map again instead of sitting dead inside a folder. a $599 mac mini runs the loop 24/7, claude extracts the useful parts, verifies the note, then links it to 2-3 related ideas inside obsidian before saving it back into the vault. after 30 days the graph starts getting dense. random notes become clusters, forgotten ideas resurface, and the whole system begins to look less like storage and more like a private memory engine. this is what a second brain looks like when it stops waiting for you to open the app.
0:39

OBSIDIAN TURNED 4,000+ IDEAS INTO A KNOWLEDGE GRAPH THAT REBUILDS ITSELF EVERY NIGHT every lecture adds another point. every saved article adds another signal. every old note becomes part of the map again instead of sitting dead inside a folder. a $599 mac mini runs the loop 24/7, claude extracts the useful parts, verifies the note, then links it to 2-3 related ideas inside obsidian before saving it back into the vault. after 30 days the graph starts getting dense. random notes become clusters, forgotten ideas resurface, and the whole system begins to look less like storage and more like a private memory engine. this is what a second brain looks like when it stops waiting for you to open the app.

Gipp 🦅

18,560 views • 2 months ago

Karpathy gave 100,000 people the LLM Wiki idea. 1 guy actually built it into a Claude + Obsidian brain that never forgets you. Every AI tool forgets you the second you close the tab. ChatGPT, Claude, Codex. All gone. He killed that. A shared memory layer your AI builds and maintains on its own. 3 layers. Raw, Wiki, Schema. You drop a source, Claude reads it, pulls the concepts, links them, cites the original, never touches your raw notes. Scales to 1,000s of notes without breaking. Then it goes deeper. An agentic firewall locks agents out of your other vaults. A local model running free and private, zero cloud. 2 videos walk through it all. 1 on why. 1 on the build, start to finish. Most people will keep pasting the same context into 6 tabs for the next 3 years. Build it once. Never explain yourself to a model again.
34:07

Karpathy gave 100,000 people the LLM Wiki idea. 1 guy actually built it into a Claude + Obsidian brain that never forgets you. Every AI tool forgets you the second you close the tab. ChatGPT, Claude, Codex. All gone. He killed that. A shared memory layer your AI builds and maintains on its own. 3 layers. Raw, Wiki, Schema. You drop a source, Claude reads it, pulls the concepts, links them, cites the original, never touches your raw notes. Scales to 1,000s of notes without breaking. Then it goes deeper. An agentic firewall locks agents out of your other vaults. A local model running free and private, zero cloud. 2 videos walk through it all. 1 on why. 1 on the build, start to finish. Most people will keep pasting the same context into 6 tabs for the next 3 years. Build it once. Never explain yourself to a model again.

West Lord

75,208 views • 2 months ago

Two huge updates to Essential Space. Starting with: Essential Memory! Everything you drop into Essential Space (screenshots, links, notes, etc) now can become a memory. When you ask Essential Search, it looks through your Memories first and gives you the most personally relevant answer. Today, it's the bridge between Search Space.
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Two huge updates to Essential Space. Starting with: Essential Memory! Everything you drop into Essential Space (screenshots, links, notes, etc) now can become a memory. When you ask Essential Search, it looks through your Memories first and gives you the most personally relevant answer. Today, it's the bridge between Search Space.

Essential

87,697 views • 9 months ago

Monologue Notes is here. Dictation is for when you know where the words are going. A Slack message. An email. A prompt to Claude. But some of your best thinking doesn’t have a destination yet. It happens on walks, on calls, in 30-minute brain dumps, and in half-formed ideas you’d usually lose. Notes is for that kind of thinking. Hit record, let the ideas flow, and turn the transcript into something useful later. For builders. Makers. Doers.
0:58

Monologue Notes is here. Dictation is for when you know where the words are going. A Slack message. An email. A prompt to Claude. But some of your best thinking doesn’t have a destination yet. It happens on walks, on calls, in 30-minute brain dumps, and in half-formed ideas you’d usually lose. Notes is for that kind of thinking. Hit record, let the ideas flow, and turn the transcript into something useful later. For builders. Makers. Doers.

Monologue

54,513 views • 4 months ago

Doing something meaningful for others, building something that improves lives, creating value that lasts, that’s what’s important. It’s easy to talk, to criticize, to signal. But to actually do something.. To build a rocket, fix a car, write code, create a product, solve a real problem, that’s rare. That’s what matters. The world doesn’t need more opinions. It needs more builders. More people who wake up and ask: How can I help? What can I fix? What can I create that makes life better for someone else? If you want purpose, be useful. If you want meaning, build. Everything else is noise.
0:25

Doing something meaningful for others, building something that improves lives, creating value that lasts, that’s what’s important. It’s easy to talk, to criticize, to signal. But to actually do something.. To build a rocket, fix a car, write code, create a product, solve a real problem, that’s rare. That’s what matters. The world doesn’t need more opinions. It needs more builders. More people who wake up and ask: How can I help? What can I fix? What can I create that makes life better for someone else? If you want purpose, be useful. If you want meaning, build. Everything else is noise.

News America Party

51,174 views • 1 year ago

One of the smartest things you can do with Fable 5 right now: Re-create your AI second brain to log all your business ideas, personal context, and important data. The first time I built an AI second brain was with Opus, but I recently re-created it with Fable 5, and it blew my mind. Here's exactly how to get started: Step 1. Set up your Obsidian vault Download Obsidian from Obsidian dot md if you haven't already. Then, go ahead and create a clean vault with your most important folders. For example: /ideas → business ideas, content angles, random thoughts /context → who you are, your business, your goals, your stack /data → important numbers, portfolios, metrics /log → daily entries, decisions, lessons learned This is your database. Everything Fable reads lives here. Step 2. Connect Fable 5 to your vault I like this Claude Code prompt: "/goal connect to my Obsidian vault at [path] and act as my second brain orchestrator. Read everything in /context before every session. Log anything new I tell you to /log with today's date." Fable now reads your vault before it answers anything - it knows your business, your goals, your history. Step 3. Build the self-update habit Every time you have an idea, a decision, or a lesson, tell Fable: "Log this to my second brain: [thought]" Step 4. Start querying it You can start sending prompts like: → "What are the most common themes across my last 30 ideas?" → "Based on my context, what should I be prioritising this week?" → "What decisions have I made about my content strategy so far?" Opus was good at this, but Fable is on another level. I feel the depth of reasoning it brings to your data is genuinely unlike anything I've used before. Some might argue it's a bit of overkill to use Fable for a simple second-brain setup, but if you have the means, it's 100% worth it. Build this once, and it'll compound forever.
0:49

One of the smartest things you can do with Fable 5 right now: Re-create your AI second brain to log all your business ideas, personal context, and important data. The first time I built an AI second brain was with Opus, but I recently re-created it with Fable 5, and it blew my mind. Here's exactly how to get started: Step 1. Set up your Obsidian vault Download Obsidian from Obsidian dot md if you haven't already. Then, go ahead and create a clean vault with your most important folders. For example: /ideas → business ideas, content angles, random thoughts /context → who you are, your business, your goals, your stack /data → important numbers, portfolios, metrics /log → daily entries, decisions, lessons learned This is your database. Everything Fable reads lives here. Step 2. Connect Fable 5 to your vault I like this Claude Code prompt: "/goal connect to my Obsidian vault at [path] and act as my second brain orchestrator. Read everything in /context before every session. Log anything new I tell you to /log with today's date." Fable now reads your vault before it answers anything - it knows your business, your goals, your history. Step 3. Build the self-update habit Every time you have an idea, a decision, or a lesson, tell Fable: "Log this to my second brain: [thought]" Step 4. Start querying it You can start sending prompts like: → "What are the most common themes across my last 30 ideas?" → "Based on my context, what should I be prioritising this week?" → "What decisions have I made about my content strategy so far?" Opus was good at this, but Fable is on another level. I feel the depth of reasoning it brings to your data is genuinely unlike anything I've used before. Some might argue it's a bit of overkill to use Fable for a simple second-brain setup, but if you have the means, it's 100% worth it. Build this once, and it'll compound forever.

Miles Deutscher

92,418 views • 1 month ago

THE OBSIDIAN CEO BUILT 5 CLAUDE CODE SKILLS, AND NOW A 2,400 NOTE VAULT CAN SORT ITSELF AT 7 A.M., FIX BROKEN LINKS, AND RESURFACE IDEAS FROM 2019 IN 10 SECONDS 00:06 he loads the obsidian skill inside claude code, and the graph stops being decoration. claude can read markdown, follow backlinks, edit canvas files, repair dead links, pull project context, and move through the vault like it understands the workspace instead of guessing from one prompt. most people do not have a note problem. they have an abandoned memory problem: 800 notes, 12 folders, 40 unfinished drafts, and a beautiful graph view that never actually helps. the article shows a 33 year old editor with 2,400 markdown files, 8 years of thinking, and zero useful access for a full year. that is why the ceo angle matters. this is not another random plugin. it is claude code learning obsidian’s actual language: backlinks, daily notes, canvas boards, raw captures, processed ideas, broken references, and old drafts buried so deep they might as well be gone. a real system only needs a few rules. one inbox for messy thoughts, one raw folder nobody edits, three backlinks on every new note, and a 7 a.m. run that sorts yesterday before you even open the laptop. weekly synthesis is where it gets dangerous. claude can compress 7 days of notes into one file with themes, contradictions, abandoned ideas, repeated promises, and the exact old note where the next article was hiding. bookmark this before your second brain becomes 2,400 dead files with a pretty graph.
2:02

THE OBSIDIAN CEO BUILT 5 CLAUDE CODE SKILLS, AND NOW A 2,400 NOTE VAULT CAN SORT ITSELF AT 7 A.M., FIX BROKEN LINKS, AND RESURFACE IDEAS FROM 2019 IN 10 SECONDS 00:06 he loads the obsidian skill inside claude code, and the graph stops being decoration. claude can read markdown, follow backlinks, edit canvas files, repair dead links, pull project context, and move through the vault like it understands the workspace instead of guessing from one prompt. most people do not have a note problem. they have an abandoned memory problem: 800 notes, 12 folders, 40 unfinished drafts, and a beautiful graph view that never actually helps. the article shows a 33 year old editor with 2,400 markdown files, 8 years of thinking, and zero useful access for a full year. that is why the ceo angle matters. this is not another random plugin. it is claude code learning obsidian’s actual language: backlinks, daily notes, canvas boards, raw captures, processed ideas, broken references, and old drafts buried so deep they might as well be gone. a real system only needs a few rules. one inbox for messy thoughts, one raw folder nobody edits, three backlinks on every new note, and a 7 a.m. run that sorts yesterday before you even open the laptop. weekly synthesis is where it gets dangerous. claude can compress 7 days of notes into one file with themes, contradictions, abandoned ideas, repeated promises, and the exact old note where the next article was hiding. bookmark this before your second brain becomes 2,400 dead files with a pretty graph.

Gipp 🦅

17,790 views • 1 month ago

HE TURNED A $599 MAC MINI INTO A CLAUDE SECOND BRAIN USING OBSIDIAN, PYTHON AND A FEW ALWAYS-ON LOOPS not a fancy SaaS dashboard. not another chat tab. a tiny box on a desk that can pull lectures, transcribe audio, read articles, clean notes and write everything into a local vault while he sleeps Steve Jobs wanted the Mac mini to be the small affordable Mac anyone could put on a desk. now that same tiny Apple box can run Claude loops 24/7, process 100+ saved links, turn 2-hour lectures into structured notes, and send a morning brief for a few dollars in API calls the real trick is the loop. trigger, do, verify, retry, stop. Claude does the thinking, Obsidian stores the memory, and the Mac mini keeps running even when nobody is touching the keyboard bookmark this before you think a second brain needs another $29/month app
0:21

HE TURNED A $599 MAC MINI INTO A CLAUDE SECOND BRAIN USING OBSIDIAN, PYTHON AND A FEW ALWAYS-ON LOOPS not a fancy SaaS dashboard. not another chat tab. a tiny box on a desk that can pull lectures, transcribe audio, read articles, clean notes and write everything into a local vault while he sleeps Steve Jobs wanted the Mac mini to be the small affordable Mac anyone could put on a desk. now that same tiny Apple box can run Claude loops 24/7, process 100+ saved links, turn 2-hour lectures into structured notes, and send a morning brief for a few dollars in API calls the real trick is the loop. trigger, do, verify, retry, stop. Claude does the thinking, Obsidian stores the memory, and the Mac mini keeps running even when nobody is touching the keyboard bookmark this before you think a second brain needs another $29/month app

Ridark

65,142 views • 2 months ago

THIS IS KARPATHY'S OBSIDIAN VAULT, THE BRAIN BEHIND A MILLION-DOLLAR COMPANY This is every idea, every decision, and every connection one person has made over years of work, visualized in real time. The human brain processes up to 11,000,000 bits of information per second, but consciously uses only 50. Inside this network: → thousands of nodes → hundreds of active links between ideas → 140+ decision-making processes per hour of work → years of compressed thinking living inside a single system make sure to bookmark it before it gets lost in your feed below I wrote a guide on how you can build yours for FREE (2 mins setup)
1:04

THIS IS KARPATHY'S OBSIDIAN VAULT, THE BRAIN BEHIND A MILLION-DOLLAR COMPANY This is every idea, every decision, and every connection one person has made over years of work, visualized in real time. The human brain processes up to 11,000,000 bits of information per second, but consciously uses only 50. Inside this network: → thousands of nodes → hundreds of active links between ideas → 140+ decision-making processes per hour of work → years of compressed thinking living inside a single system make sure to bookmark it before it gets lost in your feed below I wrote a guide on how you can build yours for FREE (2 mins setup)

Hamza Khalid

340,085 views • 2 months ago