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loci

loci is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Cross-session memory and hybrid RAG over your notes and docs. It has 101 GitHub stars, is released under the MIT license and runs locally with uvx loci-rag.

github.com/IvenKooLab/loci (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install loci

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "loci": {
      "command": "uvx",
      "args": [
        "loci-rag"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio loci -- uvx loci-rag

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "loci": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "loci-rag"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "loci": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "loci-rag"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About loci

Turn scattered notes, project docs and agent memories into a knowledge base you can search and ask questions about — from your terminal, browser or MCP client.

  • chromadb
  • embeddings
  • knowledge-base
  • local-first
  • mcp
  • mcp-server
  • obsidian
  • rag
  • retrieval-augmented-generation
  • second-brain

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FAQ

loci FAQ

Still curious? Email info@appsgit.com.

How do I install the loci MCP server?

Add the command uvx loci-rag to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is loci free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is loci actively maintained?

The most recent commit was on Oct 26, 2026. The latest release is v0.8.1, published Oct 19, 2026. appsgit only lists MCP servers with a commit in the last six months.