Neo

Neo is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps… It has 3,284 GitHub stars, is released under the MIT license and runs locally with npx -y neo.mjs.

github.com/neomjs/neo (opens in a new tab)

AI & search
MIT
Actively maintained

View on GitHub

Install Neo

Generated from the server's published package. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json

{
  "mcpServers": {
    "neo": {
      "command": "npx",
      "args": [
        "-y",
        "neo.mjs"
      ]
    }
  }
}

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

Claude Code

claude mcp add --transport stdio neo -- npx -y neo.mjs

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "neo": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "neo.mjs"
      ]
    }
  }
}

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

VS Code

.vscode/mcp.json

{
  "servers": {
    "neo": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "neo.mjs"
      ]
    }
  }
}

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 Neo

Neo.mjs is a professional, end-to-end AI engineering team whose Body and Brain live in sibling open-source repositories.

agent-memory
ai-agent
ai-memory
context-engineering
frontend
frontend-runtime
graph-rag
javascript
json
knowledge-graph

Key facts

GitHub stars	3,284
License	MIT
Language	JavaScript
Transport	stdio (local)
Packages	npm: `neo.mjs`
Auth	None declared
Works with	Claude Desktop, Claude Code, Cursor and VS Code
Latest release	13.1.0 (Jul 3, 2026)
Last commit	Oct 6, 2026

Repository on GitHub This page as Markdown

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FAQ

Neo FAQ

Still curious? Email info@appsgit.com.

What is Neo?

How do I install the Neo MCP server?

Add the command npx -y neo.mjs 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 Neo free?

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

Is Neo actively maintained?

The most recent commit was on Oct 6, 2026. The latest release is 13.1.0, published Jul 3, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.

Neo