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AI / Machine Learning / US / Apr 9

agent + claude + your

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@cyrilXBT

INSTEAD OF WATCHING NETFLIX TONIGHT. Spend 1 hour building this. Obsidian + Claude Code = your own personal JARVIS. A second brain that captures everything, connects every idea, and thinks alongside you using the most powerful AI model available. Takes 1 hour to set up. Works while you sleep. The people who build this tonight will never work the same way again. The people who skip it will still be taking scattered notes and losing their best ideas next year wondering why they cannot think clearly. Your call.

5170 likes · 536 RTs

@AIatMeta

Introducing Muse Spark, the first in the Muse family of models developed by Meta Superintelligence Labs. Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration. Muse Spark is available today at https://t.co/wHkMPH82ZH and the Meta AI app. We’re also making it available in private preview via API to select partners, and we hope to open-source future versions of the model. Learn more: https://t.co/PloE9q5x96

7765 likes · 902 RTs

@milesdeutscher

Claude Code + Obsidian is the most powerful AI combo I've ever used. I literally built an AI second brain that runs my entire life. Inspired by Andrej Karpathy's LLM Knowledge Wiki, this tool has been a complete game-changer. Here's EXACTLY how to build one for yourself: https://t.co/3Y3NeCyWlE

1688 likes · 182 RTs

@RoundtableSpace

CLAUDE OPUS 4.6 THINKING REDUCED BY 67% - Data shows Claude Opus 4.6 now thinks 67% less than before, dubbed “AI shrinkflation” - Same price but noticeably dumber; users report more guardrails and restricted output - Anthropic stayed silent until public data dropped; suspected compute-saving for next model (Mythos)

3418 likes · 337 RTs

Hook 1Contrarian / Hot Take

Everyone's Building AI Second Brains. Most Are Just Making Fancy To-Do Lists.

The hype right now is impossible to ignore. Every tech bro on this platform has an Obsidian setup powered by Claude Code that supposedly runs their entire life. A second brain. A personal JARVIS. An autonomous agent that captures every thought and connects every idea. And I'm supposed to be jealous of this. Here's my contrarian take: most of these setups are solving a problem most people don't actually have. The real bottleneck isn't your note-taking system. It's not the lack of a Claude-powered knowledge graph. It's the complete absence of clarity about what actually matters. Think about it. These people spend weekends building elaborate automation workflows, teaching their AI to summarize articles and surface insights and connect disparate threads. And then what? They go back to checking email 40 times a day. They still can't finish a project without opening seventeen browser tabs. They still say yes to every meeting invitation because they haven't learned to protect their time. The tool is not the leverage. The judgment about what to do with the tool is the leverage. This isn't an argument against Claude Code or agentic workflows. I use these tools daily. But the conversation has become completely inverted. People are obsessing over which framework to use, which model to deploy, how to chain tools together for maximum autonomous capability. Meanwhile, they haven't read the one book that would change their thinking. They haven't shipped the project that's been sitting in their head for six months. They haven't had the hard conversation with the person they keep avoiding. The AI can connect every idea you've ever captured. It cannot tell you which ideas are worth pursuing. Here's what actually separates people who get results from people who just have impressive setups: clarity of intent. Before you build your JARVIS, you need to know what you want it to do. Before you automate your entire knowledge management system, you need to understand what knowledge actually changes your decisions. The commoditization of AI agents is real and accelerating. Muse Spark from Meta is another sign that these capabilities will be free and ubiquitous within eighteen months. When everyone has access to the same tools, the differentiator isn't the tool. It's the person wielding it. So maybe spend less time watching tutorials about building the perfect second brain, and more time developing the judgment to know what that brain should contain.
Hook 2Question / Curiosity

The Second Brain Revolution: Why Everyone's Building Their Own AI Agent

What if you could offload every stray thought, half-formed idea, and random observation to an AI that actually remembers it — and knows how to connect it? That's the question driving one of the most interesting shifts in how people are using AI tools right now. And the answer is simpler than you'd expect. Across tech Twitter, a pattern keeps emerging. Users are combining Claude Code with Obsidian — a flexible note-taking app — to build something they call a "second brain." The concept isn't entirely new (there's a well-known productivity philosophy around it), but what's changed is the intelligence layer underneath. Instead of manually organizing notes, users are now describing their thoughts in plain language, letting Claude Code process and interlink ideas, and building a knowledge base that thinks alongside them. One builder described it as their own personal JARVIS — a system that captures everything, connects disparate ideas, and surfaces relevant context when needed. This matters because it shifts AI from a reactive tool (you ask, it answers) to a persistent thinking partner. You're not just using Claude to write code or answer questions. You're training it on your own knowledge base, your patterns, your way of working. The barrier to entry is surprisingly low. You don't need to be a developer. You need an hour, Obsidian, and Claude Code. The rest is experimentation. What's driving this trend isn't any single feature announcement. It's the realization that the most valuable AI application isn't a chatbot — it's a system that learns your context and augments how you think, not just how you execute. For knowledge workers, creators, and anyone drowning in information, that distinction is everything. The tools are getting better. The use cases are expanding. And the gap between "someone who uses AI" and "someone who has built their own AI system" is shrinking fast.
Hook 3Data / Statistic Lead

The Rise of the Personal AI Agent: Why Your Second Brain Is Now a Software Build

Last year, building your own AI assistant felt like a niche experiment. Today, it's becoming the default productivity stack for a generation of knowledge workers. The numbers tell the story. Claude Code combined with knowledge management tools like Obsidian has spawned thousands of personal systems, with users reporting they now delegate significant portions of their cognitive workload to these pipelines. The concept is simple but powerful: instead of juggling notes, tasks, and research across disconnected apps, you build a single system where an AI agent continuously captures, connects, and retrieves information on your behalf. The appeal isn't just organization—it's continuity. Traditional note-taking apps capture what you write. These agent-driven systems are designed to reason across your entire knowledge base, surface connections you'd miss, and operate in the background as you work. Think of it less like a digital filing cabinet and more like a collaborator who never forgets. But the trend reveals something deeper about how people are actually using AI. Early hype focused on chatbots that answer questions. The real adoption wave centers on agents that take action: writing code, managing files, running automated workflows. Users aren't just asking AI things—they're handing it tasks and letting it execute. This shift from conversational interface to persistent background worker marks a fundamental change in the human-AI relationship. Not everyone is celebrating, though. A competing narrative has emerged: users are documenting what they call "AI shrinkflation"—a perception that frontier models are becoming more restricted even as pricing stays the same. Reports of increased guardrails, reduced reasoning depth, and more cautious outputs have sparked debate about whether capability gains are being traded for safety compliance. If true, it raises uncomfortable questions about who these systems are actually being optimized for. The tension between these two realities—users building increasingly powerful personal AI systems while simultaneously questioning the reliability of the underlying models—highlights where the technology actually stands. The tools are genuinely useful for those who build intentionally. But the foundation underneath them isn't as stable or transparent as the marketing suggests. For anyone building right now, the lesson is practical: treat your AI stack as something you maintain, not something you trust blindly. Document your workflows. Understand what your agent can and cannot do. The second brain you build is only as reliable as your understanding of how it works.
Hook 4Story / Anecdote

The Quiet Revolution: Why Your Next Colleague Might Be an Agent

Last Tuesday, I watched a developer spend three hours setting up a system that would, in theory, think for her. She wasn't building a typical automation script or a basic chatbot. She was constructing something closer to a digital working partner—something that would read her notes, remember her research, and surface connections she hadn't considered. She wasn't alone. Across social platforms and developer communities, a new conversation is emerging: not about AI replacing human work, but about AI augmenting human cognition itself. The emergence of agentic AI systems—tools that can use multiple capabilities, reason through problems, and take actions on your behalf—represents a fundamental shift in how we relate to these systems. We're moving from AI as a sophisticated calculator to AI as a thinking partner. The Obsidian and Claude Code combination exemplifies this trend. By connecting a personal knowledge base with an AI capable of writing and executing code, users are creating systems that don't just store information but actively work with it. One developer described their setup as running their entire life—capturing ideas, making connections, and surfacing relevant context when needed. This isn't automation in the traditional sense. It's augmentation at the cognitive level. But the technology is evolving faster than our frameworks for thinking about it. Meta's recent announcement of Muse Spark, a multimodal reasoning model with tool-use capabilities, signals that major players are betting heavily on this agentic future. These systems can process different types of information, use external tools, and maintain coherent reasoning across complex tasks. Of course, not all news is unambiguously positive. Discussions around models becoming more restricted over time—what some are calling AI shrinkflation—highlight an uncomfortable truth: as these systems become more capable, questions about control, oversight, and the true nature of their "reasoning" become more pressing. Users report that newer versions sometimes feel less capable, not more, despite theoretical improvements. The trajectory seems clear: we are building toward systems that will work alongside us, not unlike how JARVIS worked with Tony Stark. But Stark had the luxury of a fictional universe where the AI's loyalties and capabilities were predetermined. In reality, we're writing that story ourselves, one agent at a time. The question isn't whether agentic AI will become part of daily work. It already is. The question is whether we'll approach this shift with intentionality—understanding not just what these systems can do, but what we want them to do, and what we're willing to delegate to them. Your next colleague might be artificial. Make sure you know what you're hiring.