claude

obsidian-second-brain

Operate any Obsidian vault as a living, AI-first second brain: 45 slash commands across vault management, thinking tools, a research toolkit, and scheduled agents.

0 on GitHubby Eugeniu Ghelburv0.14.0MITupdated 2 months agoproductivity
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Plugin obsidian-second-brain from marketplace obsidian-second-brain in cirobarone78/Brain. Commands read from the repo's manifest — 1 month ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use and it starts local MCP servers. The exact commands are listed below; read them before installing.

What it installs

Skills (1)

  • obsidian-second-brain

    Operate any Obsidian vault as a living, self-rewriting second brain (an evolution of Karpathy's LLM Wiki pattern: sources rewrite existing pages, contradictions reconcile automatically, scheduled agents maintain the vault while you sleep). Use this skill whenever the user asks Claude to read, write,

Slash commands (45)

  • /obsidian-second-brain:create-command

    Create a new obsidian-second-brain command via interview - zero markdown editing required

  • /obsidian-second-brain:idea-discovery

    Surface 3-5 next-direction candidates by reading ungraduated ideas, open project questions, and orphan research notes - what is worth working on next

  • /obsidian-second-brain:notebooklm

    Vault-first source-grounded research via Gemini File Search. One command, no browser. The grounded parallel to /research-deep (which is open-web via Perplexity).

  • /obsidian-second-brain:obsidian-architect

    Scan a codebase and write a maintained set of architecture notes into the vault - overview, per-module notes, key decisions. Re-run to refresh without clobbering your edits

  • /obsidian-second-brain:obsidian-board-hygiene

    Bulk-triage a kanban board - surface stale items and archive, reschedule, or mark them done in one pass

  • /obsidian-second-brain:obsidian-board

    Show or update a kanban board - flags overdue items, updates from conversation

  • /obsidian-second-brain:obsidian-brainstorm

    Multi-turn Socratic brainstorm - one question per turn until the idea converges, then a design note with named alternatives and one recommendation

  • /obsidian-second-brain:obsidian-calendar

    One calendar command with four modes - agenda (read a snapshot), reconcile (vault vs calendar gaps), meeting (event to note), schedule (task to event)

  • /obsidian-second-brain:obsidian-capture

    Quick idea capture - zero friction, saves to your ideas folder and mentions in daily note

  • /obsidian-second-brain:obsidian-catchup

    Review and process everything captured on the go from the Telegram journal bot - voice, text, images, PDFs, links - waiting in the catchup queue. You pull it when you are back at the laptop; nothing is processed autonomously.

  • /obsidian-second-brain:obsidian-challenge

    Red-team your current idea against your own vault history - finds contradictions, past failures, and flawed assumptions

  • /obsidian-second-brain:obsidian-connect

    Bridge two unrelated domains using your vault's link graph - forces creative friction to spark new ideas

  • /obsidian-second-brain:obsidian-daily

    Create or update today's daily note - pulls calendar events, overdue tasks, and conversation context

  • /obsidian-second-brain:obsidian-decide

    Record decisions - lightweight by default (logged to project notes), or a full ADR record with --formal

  • /obsidian-second-brain:obsidian-distill

    Condense a long note or source into key claims, each tagged with provenance back to the exact source block it came from

  • /obsidian-second-brain:obsidian-emerge

    Surface unnamed patterns from your recent notes - recurring themes, hidden connections, and conclusions you haven't explicitly stated

  • /obsidian-second-brain:obsidian-export

    Export a clean structured snapshot of the vault that any agent or tool can consume - flat JSON, markdown index, or an OKF (Open Knowledge Format) bundle

  • /obsidian-second-brain:obsidian-find

    Smart vault search - returns results with context, not just filenames

  • /obsidian-second-brain:obsidian-graduate

    Promote an idea fragment into a full project spec with tasks, board entries, and structure

  • /obsidian-second-brain:obsidian-health

    Run a vault health check - grouped by severity, detects contradictions, concept gaps, stale claims, and structural issues

  • /obsidian-second-brain:obsidian-ingest

    Ingest a source into the vault - the vault rewrites itself around new knowledge. Every ingest updates entities, rewrites stale claims, synthesizes new concepts, and resolves contradictions.

  • /obsidian-second-brain:obsidian-init

    Scan your vault and generate a _CLAUDE.md operating manual, index.md catalog, and log.md pointer

  • /obsidian-second-brain:obsidian-learn

    Review vault learnings, prune stale ones, surface active patterns - the vault's lessons compound or expire

  • /obsidian-second-brain:obsidian-log

    Log this work or dev session to the vault - infers project from context

  • /obsidian-second-brain:obsidian-panel

    Convene a panel of distinct perspectives on a decision - one independent verdict per lens, then a synthesis. A multi-persona complement to /obsidian-challenge

  • /obsidian-second-brain:obsidian-person

    Create or update a person note from conversation context

  • /obsidian-second-brain:obsidian-project

    Create or update a project note - adds to board and daily note automatically

  • /obsidian-second-brain:obsidian-projects

    Live project status from git + local docs - infers all context from vault notes, no config required

  • /obsidian-second-brain:obsidian-recap

    Summarize a time period from the vault - today, week, or month

  • /obsidian-second-brain:obsidian-reconcile

    Find and resolve contradictions in the vault - the vault maintains its own truth

  • /obsidian-second-brain:obsidian-recurring

    Track a recurring obligation (payment, filing, ops) with a cadence and a computed next-due date

  • /obsidian-second-brain:obsidian-retrieval-eval

    Measure how well vault search finds the right note for a natural-language question - recall@k and MRR, with the concrete failures

  • /obsidian-second-brain:obsidian-review

    Generate a structured weekly or monthly review note from vault history

  • /obsidian-second-brain:obsidian-save

    Save everything worth keeping from this conversation to the vault

  • /obsidian-second-brain:obsidian-synthesize

    Automatic synthesis - scans the vault for unnamed patterns and writes synthesis pages without being asked

  • /obsidian-second-brain:obsidian-task

    Add a task to the right kanban board with inferred priority and due date

  • /obsidian-second-brain:obsidian-visualize

    Generate a visual canvas map of your vault - see the shape of your second brain and how knowledge connects

  • /obsidian-second-brain:obsidian-world

    Load your identity, values, priorities, and current state in one shot - with progressive context levels to avoid burning tokens

  • /obsidian-second-brain:podcast

    Extract metadata, transcript, and summary from a podcast episode, saved as an AI-first note in the vault

  • /obsidian-second-brain:research-deep

    Vault-first deep research - scans the vault, fills gaps (Perplexity + Grok when keyed, free key-less sources otherwise), synthesizes a delta, then propagates updates across people/projects/ideas via /obsidian-save

  • /obsidian-second-brain:research

    Web research with citations - Perplexity Sonar when an API key is set, free key-less sources (Wikipedia, HackerNews, arXiv, Reddit, and more) otherwise. Deep dossier with summary, facts, timeline, players, contrarian views, open questions

  • /obsidian-second-brain:vault-deep-synthesis

    Deep cross-reference of everything the vault knows about one topic - agreements, contradictions, stale claims, and coverage gaps. Pure vault, no network

  • /obsidian-second-brain:x-pulse

    Scan X for what's trending in a topic - themes, voices, hooks, and post ideas powered by Grok + Live Search

  • /obsidian-second-brain:x-read

    Deep-read an X (Twitter) post via Grok + Live Search - verbatim post, thread, TL;DR, claims, reply sentiment, voices to watch

  • /obsidian-second-brain:youtube

    Extract transcript, metadata, and top comments from a YouTube video - summarized via Gemini (free tier) or Grok and saved to vault. Add --visual to also read the video's frames (scene detection)

MCP servers (1)

  • obsidian-second-brain

    runs: uv run --with mcp python ${CLAUDE_PLUGIN_ROOT}/integrations/obsidian-mcp-server/server.py

Hooks (2)

  • SessionStart

    python3 "${CLAUDE_PLUGIN_ROOT}/hooks/load_vault_context.py"

  • PostCompact

    "${CLAUDE_PLUGIN_ROOT}/hooks/obsidian-bg-agent.sh"

View source on GitHub

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