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Obsidian MCP

seynurmammad0v/obsidian-mcp
113 toolsSTDIOregistry active
Summary

Exposes 12 tools that treat your Obsidian vault as a queryable graph, no Obsidian app or database required. Read and search notes with tag and frontmatter filtering, traverse the wikilink graph with BFS/DFS, find shortest paths between notes, and detect connected components or bridge nodes. Write operations include creating notes, patching sections, and moving files with automatic backlink updates across the entire vault. Scans your vault once on startup to build an in-memory graph, then watches for changes incrementally. Reach for this when you want Claude to navigate and manipulate your existing Obsidian knowledge base as a first-class graph structure rather than flat markdown files.

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Tools

Public tool metadata for what this MCP can expose to an agent.

13 tools
obsidian_list_files_in_dir1 params
Parameters* required
dirpathstring
obsidian_list_files_in_vault

No parameter schema in public metadata yet.

obsidian_get_file_contents1 params
Parameters* required
filepathstring
obsidian_simple_search2 params
Parameters* required
querystring
context_lengthstring
obsidian_patch_content5 params
Parameters* required
targetstring
contentstring
filepathstring
operationstring
target_typestring
obsidian_append_content2 params
Parameters* required
contentstring
filepathstring
obsidian_put_content2 params
Parameters* required
contentstring
filepathstring
obsidian_delete_file2 params
Parameters* required
confirmstring
filepathstring
obsidian_complex_search1 params
Parameters* required
querystring
obsidian_batch_get_file_contents1 params
Parameters* required
filepathsstring
obsidian_get_periodic_note2 params
Parameters* required
typestring
periodstring
obsidian_get_recent_periodic_notes3 params
Parameters* required
limitstring
periodstring
include_contentstring
obsidian_get_recent_changes2 params
Parameters* required
daysstring
limitstring

obsidian-mcp

MCP server that turns any Obsidian vault into an AI-queryable knowledge graph.

What makes this different from the 24+ existing Obsidian MCP servers:

  • Graph-first — BFS, shortest path, connected components, bridge detection via [[wikilinks]]
  • Zero infrastructure — No database, no Obsidian running, no API keys
  • Vault-agnostic — Works with any existing vault, no required structure
  • Backlink-aware writes — move_note auto-updates all references across the vault
  • Tiny — 4 runtime dependencies, ~42KB bundle

Quick Start

npx obsidian-mcp --vault ~/my-obsidian-vault

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "obsidian": {
      "command": "npx",
      "args": ["-y", "obsidian-mcp", "--vault", "/path/to/vault"]
    }
  }
}

Claude Code

claude mcp add obsidian -- npx -y obsidian-mcp --vault /path/to/vault

Tools (12)

Reading & Discovery

ToolDescription
vault_statsOverview: total notes, tags, links, orphans, components, top tags/hubs
read_noteFull content + frontmatter + links + backlinks + sections
search_notesFilter by tags, folder, frontmatter, keyword. All combinable

Graph Traversal

ToolDescription
graph_neighborsDirect links + backlinks for a note
graph_traverseBFS/DFS from a note, N hops deep with tag filtering
graph_shortest_pathShortest link chain between two notes
graph_analyzeComponents, orphans, bridges, hubs, dead links

Writing & Manipulation

ToolDescription
create_noteCreate with content + frontmatter
patch_noteAppend, prepend, or replace a section. Update frontmatter
move_noteRename/move + auto-update all backlinks across vault
delete_noteDelete + report broken links
manage_tagsAdd/remove/rename tags (vault-wide rename supported)

Configuration

Zero-config by default. Optional .obsidian-mcp.json in vault root:

{
  "ignore": ["templates/", "daily-notes/", ".trash/"],
  "watchDebounce": 100,
  "maxTraversalDepth": 10,
  "maxSearchResults": 500
}

CLI Flags

--vault <path>       Path to Obsidian vault (required)
--verbose            Enable debug logging
--log-level <level>  error | warn | info | debug (default: info)

How It Works

  1. On startup, scans all .md files and builds an in-memory graph (~1-3s for 1k notes)
  2. File watcher detects changes and updates the graph incrementally (~5ms per change)
  3. Claude queries the graph via MCP tools — no re-scanning needed
  4. Write operations update both the filesystem and the graph atomically

Hardcoded exclusions: .obsidian/, .trash/, node_modules/

Development

npm install
npm test              # Run 66 tests
npm run build         # Build to dist/
npm run dev -- --vault test/fixtures/vault  # Dev mode

License

MIT

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Categories
Documents & Knowledge
Registryactive
Package@smammadov/obsidian-mcp
TransportSTDIO
UpdatedMar 17, 2026
View on GitHub

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