io.github.DalecB/obsidian-semantic-mcp

Official

by DalecB · JavaScript

Obsidian Semantic Search

Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.

Semantic search for Obsidian vaults using local Ollama embeddings for knowledge retrieval.

Topics

ai-agentsbge-m3claude-desktopcodexfts5knowledge-managementlocal-firstmarkdownmcpmodel-context-protocolobsidianobsidian-mdollamaragretrievalsemantic-searchsqlite

Install

Configuration

Environment variables

OBSIDIAN_VAULT_ROOTrequired

Absolute path to the local Obsidian vault.

OBSIDIAN_SEMANTIC_MCP_HOME

Directory for the external SQLite index, logs, and cache.

OBSIDIAN_EMBED_MODEL

Ollama embedding model name. Defaults to bge-m3.

OLLAMA_BASE_URL

Ollama API base URL. Defaults to http://localhost:11434.

OBSIDIAN_SEMANTIC_STARTUP_INDEX

Set to true to run incremental indexing when the server starts.

OBSIDIAN_SEMANTIC_ALLOW_SENSITIVE

Set to true to allow include_sensitive tool calls.

OBSIDIAN_SEMANTIC_EXCLUDE

Comma- or newline-separated folders to always exclude from indexing, search, and read.

OBSIDIAN_SEMANTIC_SENSITIVE_PATHS

Comma- or newline-separated folders treated as sensitive (blocked unless unlocked). Defaults to 08_PersonalInfo/.

claude_desktop_config.json

{
  "mcpServers": {
    "obsidian-semantic-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@dalecb/obsidian-semantic-mcp@0.2.1"
      ],
      "env": {
        "OBSIDIAN_VAULT_ROOT": "<YOUR_OBSIDIAN_VAULT_ROOT>",
        "OBSIDIAN_SEMANTIC_MCP_HOME": "<YOUR_OBSIDIAN_SEMANTIC_MCP_HOME>",
        "OBSIDIAN_EMBED_MODEL": "<YOUR_OBSIDIAN_EMBED_MODEL>",
        "OLLAMA_BASE_URL": "<YOUR_OLLAMA_BASE_URL>",
        "OBSIDIAN_SEMANTIC_STARTUP_INDEX": "<YOUR_OBSIDIAN_SEMANTIC_STARTUP_INDEX>",
        "OBSIDIAN_SEMANTIC_ALLOW_SENSITIVE": "<YOUR_OBSIDIAN_SEMANTIC_ALLOW_SENSITIVE>",
        "OBSIDIAN_SEMANTIC_EXCLUDE": "<YOUR_OBSIDIAN_SEMANTIC_EXCLUDE>",
        "OBSIDIAN_SEMANTIC_SENSITIVE_PATHS": "<YOUR_OBSIDIAN_SEMANTIC_SENSITIVE_PATHS>"
      }
    }
  }
}