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obsidian-brainstorm

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Obsidian Brainstorm

Connect Claude to your Obsidian vault. Read notes, search your knowledge graph, capture ideas to your daily note, explore backlinks, filter by tags, and more — all from Claude Desktop.

Quickstart

Add this to your claude_desktop_config.json (replace the path with your vault):

{
  "mcpServers": {
    "obsidian-brainstorm": {
      "command": "npx",
      "args": ["-y", "obsidian-brainstorm"],
      "env": {
        "OBSIDIAN_VAULT_PATH": "C:/Users/you/Documents/MyVault"
      }
    }
  }
}

Restart Claude Desktop. That's it — no installation required.

Windows users (non-technical): double-click setup.ps1 for a graphical setup wizard with a folder picker and multi-vault manager.

Related MCP server: Obsidian Nexus

What you can do

Ask Claude things like:

  • "List my recent notes from the last 3 days"

  • "Search my vault for anything about machine learning"

  • "What notes link to my 'Project Alpha' note?"

  • "Add this to today's daily note: remember to call Alice"

  • "Show me all notes tagged #project"

  • "Create a new note in Ideas/ about..."

  • "Give me stats on my vault"

Tools

Tool

Description

get_vault_info

Active vault name and path

get_vault_stats

Note count, word count, top linked notes, folder breakdown, tag count

list_vaults

All configured vaults (multi-vault support)

switch_vault

Switch active vault by name

list_folders

All folders in the vault

list_notes

All notes, optionally filtered by folder

read_note

Full content of a note (auto-truncates at 100KB)

create_note

Create a new note

update_note

Replace a note's content

append_to_note

Append text to an existing note

move_note

Move or rename a note

delete_note

Safe delete (moves to .trash)

search_notes

Full-text search with context snippets

search_by_frontmatter

Find notes by YAML property (e.g. status: active)

list_tags

All tags in vault, sorted by frequency

get_notes_by_tag

Notes containing a specific tag

get_outgoing_links

[[wikilinks]] a note points to

get_backlinks

All notes that link to a given note

get_today_note

Today's daily note (creates if missing, respects your Daily Notes settings)

append_to_today

Quick capture to today's daily note

get_recent_notes

Notes modified in the last N days

Resources

Notes are also exposed as MCP Resources (obsidian-brainstorm://VaultName/path/to/note.md), letting MCP clients browse your vault like a file explorer.

Multi-vault

Store multiple vaults in %APPDATA%/obsidian-brainstorm/config.json and switch between them with switch_vault. The OBSIDIAN_VAULT_PATH environment variable always takes priority, making it easy to point different Claude projects at different vaults.

Requirements

  • Node.js 18+

  • Claude Desktop

  • An Obsidian vault

Links

License

MIT

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How are these scores calculated?

Maintenance

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