Obsidian Brain MCP Server

What this does

Obsidian Brain exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server declares the following environment variables. Set only the ones the maker requires for your setup; this listing does not flag any of them as required:

VAULT_PATH
DATA_DIR
EMBEDDING_PRESET
EMBEDDING_MODEL
EMBEDDING_PROVIDER
OLLAMA_BASE_URL
OLLAMA_EMBEDDING_DIM
OLLAMA_NUM_CTX
OBSIDIAN_BRAIN_OLLAMA_AUTO_PULL
OBSIDIAN_BRAIN_OLLAMA_BYOM_AUTO_PULL
OBSIDIAN_BRAIN_NO_WATCH
OBSIDIAN_BRAIN_NO_CATCHUP
OBSIDIAN_BRAIN_WATCH_DEBOUNCE_MS
OBSIDIAN_BRAIN_COMMUNITY_DEBOUNCE_MS
OBSIDIAN_BRAIN_TOOL_TIMEOUT_MS
OBSIDIAN_BRAIN_MAX_CHUNK_TOKENS
OBSIDIAN_BRAIN_CONFIG_DIR
OBSIDIAN_BRAIN_DEBUG
OBSIDIAN_BRAIN_LOG_FORMAT

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

How do I install Obsidian Brain?

Run the Claude Code command in the install section to add Obsidian Brain to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with Obsidian Brain?

This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Obsidian Brain as well.

Does Obsidian Brain need an API key?

This listing does not flag an API key as required. The server can use these environment variables: VAULT_PATH, DATA_DIR, EMBEDDING_PRESET, EMBEDDING_MODEL, EMBEDDING_PROVIDER, OLLAMA_BASE_URL, OLLAMA_EMBEDDING_DIM, OLLAMA_NUM_CTX, OBSIDIAN_BRAIN_OLLAMA_AUTO_PULL, OBSIDIAN_BRAIN_OLLAMA_BYOM_AUTO_PULL, OBSIDIAN_BRAIN_NO_WATCH, OBSIDIAN_BRAIN_NO_CATCHUP, OBSIDIAN_BRAIN_WATCH_DEBOUNCE_MS, OBSIDIAN_BRAIN_COMMUNITY_DEBOUNCE_MS, OBSIDIAN_BRAIN_TOOL_TIMEOUT_MS, OBSIDIAN_BRAIN_MAX_CHUNK_TOKENS, OBSIDIAN_BRAIN_CONFIG_DIR, OBSIDIAN_BRAIN_DEBUG, OBSIDIAN_BRAIN_LOG_FORMAT; the maker's docs say which of them your setup needs. They go in the env block of your MCP config.