How I Use Obsidian + Claude Code to Run My Life
Greg Isenberg and guest Vin explore how Obsidian and Claude Code work together as a personal operating system for thinking, delegation, and idea generation. Vin demonstrates custom commands and workflows that transform scattered notes into actionable insights, patterns, and strategic decisions—fundamentally changing how users can interact with AI agents by providing rich, interconnected context about their goals, projects, and thinking patterns.
Key takeaways
- • Claude Code as a command-line agent can control your computer and access files, but its effectiveness depends entirely on the quality and relevance of context you provide it through documents and project descriptions.
- • Obsidian creates a "vault"—a network of interlinked markdown files—that functions as your second brain, with the key advantage being bidirectional linking that shows relationships between notes in ways a simple folder cannot.
- • The Obsidian CLI allows Claude Code to read not just individual files but also understand the interconnected graph structure of your vault, enabling it to surface patterns and connections you wouldn't notice yourself.
- • Custom commands like `/context`, `/today`, `/trace`, and `/emerge` transform Obsidian from a passive note-taking tool into an active thinking partner that can challenge your beliefs, extract hidden patterns, and suggest ideas across multiple domains.
- • The system works best when you maintain a strict writing habit—continuously documenting your projects, hypotheses, and reflections—which creates the contextual foundation that agents need to delegate effectively and generate genuinely useful recommendations.
- • Obsidian vaults can become shared team resources for companies, allowing agents to generate ideas and make decisions with deeper understanding of collective goals and thinking, moving beyond individual productivity into organizational delegation.
Recommendations (8)
"This is Obsidian. And Obsidian is this little tool that people are using as their second brain."
Vin
"Claude Code is this like agent that you can use in a command line interface. It's just basically this tool you can use that can control your computer and you can use it through natural language."
Vin · ▶ 2:13
"Obsidian released this new tool called Obsidian CLI. And what that allows you to do is it allows you to use Claude Code and it can go and it can read all of the files in your Obsidian Vault."
Vin · ▶ 10:39
"The system is audio dumps via Mac Whisper, LLM dialogue loops, Canopia for spatial mapping."
Vin · ▶ 20:39
Mentioned (4)
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