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MCP Guardian

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Manage / Proxy / Secure your MCP Servers

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Overview

MCP Guardian is a tool designed to manage, proxy, and secure access to your MCP servers, providing real-time control over your LLM assistant's activities.

To use MCP Guardian, follow the quick start guide for your operating system (Linux/macOS or Windows) to install necessary dependencies and build the project. Once set up, you can manage multiple MCP server configurations and monitor LLM activities.

  • Message Logging: Trace all of an LLM's MCP server activity. - Message Approvals: Approve or deny individual tool call messages in real-time. - Automated Message Scans: Future feature for real-time automated checks for safety and privacy. - Multi-server Management: Easily switch between different MCP server configurations.
  1. Managing access to multiple LLMs across different MCP servers.
  2. Ensuring compliance and safety in LLM operations through message approvals.
  3. Monitoring LLM activities for auditing and debugging purposes.

Add to your AI client

Use these steps to connect MCP Guardian in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-guardian-eqtylab": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-guardian-eqtylab": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-guardian-eqtylab": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-guardian-eqtylab": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-guardian-eqtylab": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-guardian-eqtylab": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-guardian-eqtylab"
      ]
    }
  }
}

FAQ

**What platforms does MCP Guardian support?**

MCP Guardian supports Linux, macOS, and Windows.

**Is there a graphical interface for MCP Guardian?**

Currently, MCP Guardian operates through command-line interfaces, but a GUI may be considered in future updates.

**How can I contribute to MCP Guardian?**

Contributions are welcome! Please check the GitHub repository for guidelines.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":2042,"uuid":"26d17482-609d-4987-8f27-4c44ba90f34f","name":"mcp-guardian","title":"MCP Guardian","description":"Manage / Proxy / Secure your MCP Servers","avatar_url":"https://avatars.githubusercontent.com/u/103620706?v=4","created_at":"2025-03-05T08:04:24.413Z","updated_at":"2025-03-12T10:18:24.500Z","status":"created","author_name":"eqtylab","author_avatar_url":"https://avatars.githubusercontent.com/u/103620706?v=4","tags":"mcp,llm-tools,claude-desktop,agentic-ai,model-context-protocol","category":"developer-tools","is_featured":false,"sort":1,"url":"https://github.com/eqtylab/mcp-guardian","target":"_self","content":"$29","summary":"$2a","img_url":"https://github.com/eqtylab/mcp-guardian/raw/main/docs/src/resources/splash-page.png","type":null,"metadata":"{\"star\":\"47\",\"license\":\"Apache-2.0 license\",\"language\":\"Rust\",\"is_official\":false,\"latest_commit_time\":\"2025-04-10 12:04:48\"}","user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]

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