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node9

node9 is an MCP server that accesses control for AI agents and MCP servers: allow, hold for approval, or block each tool call. It has 219 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y node9-ai.

github.com/node9-ai/node9-proxy (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

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Install node9

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

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "node9": {
      "command": "npx",
      "args": [
        "-y",
        "node9-ai"
      ]
    }
  }
}

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

Claude Code

claude mcp add --transport stdio node9 -- npx -y node9-ai

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "node9": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "node9-ai"
      ]
    }
  }
}

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

VS Code

.vscode/mcp.json
{
  "servers": {
    "node9": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "node9-ai"
      ]
    }
  }
}

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 node9

🛡️ node9 Access control for AI agents Your AI agents can reach Slack, GitHub, email, and your database. node9 decides what they may do with each one.

  • ai-safety
  • ai-security
  • claude-code
  • llm-agent
  • agent-security
  • dlp
  • github-actions
  • mcp-security
  • mcp-servers
  • prompt-injection

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FAQ

node9 FAQ

Still curious? Email info@appsgit.com.

How do I install the node9 MCP server?

Add the command npx -y node9-ai 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 node9 free?

The server is open source under the Apache-2.0 license, so running it is free. It does not declare any required API key.

Is node9 actively maintained?

The most recent commit was on Oct 25, 2026. The latest release is v2.41.0, published Oct 25, 2026. appsgit only lists MCP servers with a commit in the last six months.