A standalone Node MCP server that gives Claude (and any other MCP client) semantic search + knowledge graph + vault editing over an Obsidian vault. Runs as one local stdio process — no plugin, no…
obsidian-brain is an MCP project maintained in the sweir1/obsidian-brain repository. The maintainer describes its purpose as “A standalone Node MCP server that gives Claude (and any other MCP client) semantic search + knowledge graph + vault editing over an Obsidian vault…”. Read the project documentation for the complete scope.
The documented npm package is obsidian-brain. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares VAULT_PATH. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"obsidian-brain": {
"command": "npx",
"args": [
"-y",
"obsidian-brain@latest",
"server"
],
"env": {
"VAULT_PATH": "/absolute/path/to/your/vault"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| VAULT_PATH | Declared in the maintainer’s client configuration. | Check documentation |
Store entities, relations and observations in a local knowledge graph with the reference Memory MCP server.
Connect the Notion MCP server to search workspace content and work with pages and databases through Notion’s hosted OAuth service.
Search Linear issues and projects, inspect work context and manage updates through Linear’s hosted MCP server with OAuth.
Your assistant inside the workspace — read channels, search history, post messages and tame the noise.
Metabase ships its own MCP endpoint — search your BI content, build and run queries, and save questions and dashboards without leaving the chat.
Stop letting your assistant hallucinate n8n node parameters — this server hands it the real schemas, templates and validation.