{
 "schema_version": 1,
 "generated": "2026-10-20",
 "repo": "undefined-ui/second-brain-os",
 "name": "second-brain-os",
 "owner": "undefined-ui",
 "slug": "undefined-ui-second-brain-os",
 "github": "https://github.com/undefined-ui/second-brain-os",
 "what": "A starter kit and guide for building a knowledge base in plain markdown files that an AI agent builds, links and maintains for you, using Claude Code and Obsidian.",
 "why": "",
 "language": "HTML",
 "requirements": [
  "Git, to clone the repo",
  "Obsidian, to open the vault as a folder",
  "Claude Code, the agent the README sets up the vault around",
  "A terminal, for the copy commands and for running claude"
 ],
 "audience_note": "Readers who save articles, videos and notes often and never come back to them, and who are comfortable running a few commands in a terminal.",
 "risk": "none",
 "section": "earlier",
 "weekly_rank": null,
 "category": "Research",
 "url": "https://dedupedai.com/use-cases/undefined-ui-second-brain-os/",
 "use_case_count": 4,
 "use_cases": [
  {
   "id": "undefined-ui-second-brain-os--build-self-linking-wiki-from-saved-articles",
   "title": "Turn saved articles into a self-linking wiki",
   "best": true,
   "url": "https://dedupedai.com/use-cases/undefined-ui-second-brain-os/build-self-linking-wiki-from-saved-articles/",
   "json": "https://dedupedai.com/use-cases/u/undefined-ui-second-brain-os/build-self-linking-wiki-from-saved-articles.json"
  },
  {
   "id": "undefined-ui-second-brain-os--run-one-project-through-inputs-process-outputs",
   "title": "Run a project through an Inputs, Process, Outputs pipeline",
   "best": false,
   "url": "https://dedupedai.com/use-cases/undefined-ui-second-brain-os/run-one-project-through-inputs-process-outputs/",
   "json": "https://dedupedai.com/use-cases/u/undefined-ui-second-brain-os/run-one-project-through-inputs-process-outputs.json"
  },
  {
   "id": "undefined-ui-second-brain-os--audit-agent-context-with-course-plugin",
   "title": "Audit an agent setup with the agents course plugin",
   "best": false,
   "url": "https://dedupedai.com/use-cases/undefined-ui-second-brain-os/audit-agent-context-with-course-plugin/",
   "json": "https://dedupedai.com/use-cases/u/undefined-ui-second-brain-os/audit-agent-context-with-course-plugin.json"
  },
  {
   "id": "undefined-ui-second-brain-os--connect-live-calendar-email-chat-to-vault",
   "title": "Feed live calendar, email and chat into the vault",
   "best": false,
   "url": "https://dedupedai.com/use-cases/undefined-ui-second-brain-os/connect-live-calendar-email-chat-to-vault/",
   "json": "https://dedupedai.com/use-cases/u/undefined-ui-second-brain-os/connect-live-calendar-email-chat-to-vault.json"
  }
 ],
 "disclaimer": "Third-party repos we don't own or vouch for. AI-generated use cases can be wrong: review everything and run at your own risk."
}