obsidian-mcp
Enables AI coding agents to read, write, search, and organize notes in an Obsidian vault directly via the filesystem.
README
obsidian-mcp
An MCP (Model Context Protocol) server that lets AI coding agents (Claude Code, Codex CLI, etc.) read, write, search, and organize notes in an Obsidian vault. It works directly on the filesystem, so Obsidian doesn't need to be running — Obsidian picks up external changes automatically.
Community project — not affiliated with Obsidian.
Setup
git clone https://github.com/Mochiduki-0715/obsidian-mcp.git
cd obsidian-mcp
npm install
npm run build
Configuration is done through environment variables:
| Variable | Description | Default |
|---|---|---|
OBSIDIAN_VAULT_PATH |
Absolute path to your vault folder | (required) |
OBSIDIAN_DAILY_DIR |
Folder for daily notes, relative to the vault root | Daily |
Registering with agents
Claude Code
claude mcp add --scope user obsidian \
--env OBSIDIAN_VAULT_PATH=$HOME/path/to/your/vault \
-- node /path/to/obsidian-mcp/dist/index.js
Codex CLI
Add to ~/.codex/config.toml:
[mcp_servers.obsidian]
command = "node"
args = ["/path/to/obsidian-mcp/dist/index.js"]
[mcp_servers.obsidian.env]
OBSIDIAN_VAULT_PATH = "/path/to/your/vault"
Tools
| Tool | Description |
|---|---|
list_notes |
List notes, newest first; optionally restricted to a subfolder |
read_note |
Read a note, returning parsed frontmatter and the markdown body |
create_note |
Create a note (pass overwrite: true to replace an existing one) |
append_note |
Append text; with heading, insert at the end of that section |
edit_note |
Edit by exact string replacement (old_text / new_text) |
search_notes |
Case-insensitive full-text search, with an optional tag filter |
move_note |
Move/rename a note and rewrite [[wikilinks]] across the vault |
delete_note |
Move a note to the vault's .trash/ folder (safe delete) |
daily_note |
Get or create the daily note for today or a given date |
Safety
- Every path is resolved inside the vault root;
..escapes are rejected - Deleting moves notes to Obsidian's standard
.trash/folder instead of removing them create_notenever silently overwrites an existing note (an explicit flag is required)
License
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