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Doorman

Verified Integration
Author: @Sushank05•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#AI#GitHub#Node.js

Client Configuration

— Connect Doorman to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "doorman": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-doorman"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Secures local Model Context Protocol (MCP) server interactions by acting as a protective gateway, preventing malicious activities like prompt injection and data exfiltration.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Doorman

Doorman prevents a range of attacks including tool poisoning (malicious instructions hidden in tool descriptions), rug pulls (silent tool definition swaps), indirect prompt injection (instructions from legitimate tool results), secret exfiltration, and runaway AI agent loops that could lead to unintended consequences.

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