Obsidian Brain
local MCP serverInstallation
Terminal
claude mcp add obsidian-brain -e VAULT_PATH=... -e DATA_DIR=... -e EMBEDDING_PRESET=... -e EMBEDDING_MODEL=... -e EMBEDDING_PROVIDER=... -e OLLAMA_BASE_URL=... -e OLLAMA_EMBEDDING_DIM=... -e OLLAMA_NUM_CTX=... -e OBSIDIAN_BRAIN_OLLAMA_AUTO_PULL=... -e OBSIDIAN_BRAIN_OLLAMA_BYOM_AUTO_PULL=... -e OBSIDIAN_BRAIN_NO_WATCH=... -e OBSIDIAN_BRAIN_NO_CATCHUP=... -e OBSIDIAN_BRAIN_WATCH_DEBOUNCE_MS=... -e OBSIDIAN_BRAIN_COMMUNITY_DEBOUNCE_MS=... -e OBSIDIAN_BRAIN_TOOL_TIMEOUT_MS=... -e OBSIDIAN_BRAIN_MAX_CHUNK_TOKENS=... -e OBSIDIAN_BRAIN_CONFIG_DIR=... -e OBSIDIAN_BRAIN_DEBUG=... -e OBSIDIAN_BRAIN_LOG_FORMAT=... -- npx -y obsidian-brain
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop, Cursor & other clients
Add to claude_desktop_config.json or .cursor/mcp.json.
{
"mcpServers": {
"obsidian-brain": {
"command": "npx",
"args": [
"-y",
"obsidian-brain"
],
"env": {
"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": "..."
}
}
}
}Fill in the environment variables with your own credentials.
Summary
Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.
Questions
Obsidian Brain is a local MCP server distributed as the npm package obsidian-brain.
Run: claude mcp add obsidian-brain -e VAULT_PATH=... -e DATA_DIR=... -e EMBEDDING_PRESET=... -e EMBEDDING_MODEL=... -e EMBEDDING_PROVIDER=... -e OLLAMA_BASE_URL=... -e OLLAMA_EMBEDDING_DIM=... -e OLLAMA_NUM_CTX=... -e OBSIDIAN_BRAIN_OLLAMA_AUTO_PULL=... -e OBSIDIAN_BRAIN_OLLAMA_BYOM_AUTO_PULL=... -e OBSIDIAN_BRAIN_NO_WATCH=... -e OBSIDIAN_BRAIN_NO_CATCHUP=... -e OBSIDIAN_BRAIN_WATCH_DEBOUNCE_MS=... -e OBSIDIAN_BRAIN_COMMUNITY_DEBOUNCE_MS=... -e OBSIDIAN_BRAIN_TOOL_TIMEOUT_MS=... -e OBSIDIAN_BRAIN_MAX_CHUNK_TOKENS=... -e OBSIDIAN_BRAIN_CONFIG_DIR=... -e OBSIDIAN_BRAIN_DEBUG=... -e OBSIDIAN_BRAIN_LOG_FORMAT=... -- npx -y obsidian-brain
Run: codex mcp add obsidian-brain --env VAULT_PATH=... --env DATA_DIR=... --env EMBEDDING_PRESET=... --env EMBEDDING_MODEL=... --env EMBEDDING_PROVIDER=... --env OLLAMA_BASE_URL=... --env OLLAMA_EMBEDDING_DIM=... --env OLLAMA_NUM_CTX=... --env OBSIDIAN_BRAIN_OLLAMA_AUTO_PULL=... --env OBSIDIAN_BRAIN_OLLAMA_BYOM_AUTO_PULL=... --env OBSIDIAN_BRAIN_NO_WATCH=... --env OBSIDIAN_BRAIN_NO_CATCHUP=... --env OBSIDIAN_BRAIN_WATCH_DEBOUNCE_MS=... --env OBSIDIAN_BRAIN_COMMUNITY_DEBOUNCE_MS=... --env OBSIDIAN_BRAIN_TOOL_TIMEOUT_MS=... --env OBSIDIAN_BRAIN_MAX_CHUNK_TOKENS=... --env OBSIDIAN_BRAIN_CONFIG_DIR=... --env OBSIDIAN_BRAIN_DEBUG=... --env OBSIDIAN_BRAIN_LOG_FORMAT=... -- npx -y obsidian-brain
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