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        "# 🔐 Security & Authentication with FastMCP\n",
        "\n",
        "Welcome to security and authentication with FastMCP! In this notebook, you'll learn how to implement robust security patterns using FastMCP's built-in security features.\n",
        "\n",
        "## 🎯 Learning Objectives\n",
        "\n",
        "By the end of this notebook, you will:\n",
        "- Implement API key authentication\n",
        "- Set up OAuth2 with JWT\n",
        "- Configure rate limiting\n",
        "- Apply security middleware\n",
        "- Handle secure resources\n",
        "\n",
        "## 🛠️ What You'll Build\n",
        "\n",
        "```python\n",
        "from mcp.server.fastmcp import FastMCP\n",
        "from mcp.security import (\n",
        "    APIKeyAuth,\n",
        "    OAuth2Auth,\n",
        "    RateLimiter,\n",
        "    JWTValidator,\n",
        "    ResourcePolicy\n",
        ")\n",
        "from pydantic import BaseModel\n",
        "from typing import Optional\n",
        "\n",
        "# Initialize FastMCP with security\n",
        "mcp = FastMCP(\n",
        "    name=\"secure_server\",\n",
        "    security_config=\"/etc/mcp/security.yaml\",\n",
        "    middleware=[\n",
        "        APIKeyAuth(header=\"X-API-Key\"),\n",
        "        OAuth2Auth(\n",
        "            issuer=\"https://auth.example.com\",\n",
        "            audiences=[\"mcp-api\"]\n",
        "        ),\n",
        "        RateLimiter(\n",
        "            requests_per_minute=100\n",
        "        )\n",
        "    ]\n",
        ")\n",
        "\n",
        "# Secure resource with policy\n",
        "@mcp.resource(\"data://{id}\", policy=ResourcePolicy.AUTHENTICATED)\n",
        "async def get_secure_data(id: str) -> Dict:\n",
        "    \"\"\"Get secure data with auth\"\"\"\n",
        "    ...\n",
        "\n",
        "# Protected tool\n",
        "@mcp.tool(requires_auth=True)\n",
        "async def process_secure_data(data: str) -> Dict:\n",
        "    \"\"\"Process data with auth\"\"\"\n",
        "    ...\n",
        "```\n",
        "\n",
        "## 🔐 Security Features\n",
        "\n",
        "FastMCP provides comprehensive security:\n",
        "- **Authentication Providers**\n",
        "- **Rate Limiting**\n",
        "- **Resource Policies**\n",
        "- **Input Validation**\n",
        "- **Secure Defaults**\n",
        "\n",
        "## 📚 Table of Contents\n",
        "\n",
        "1. [API Key Auth](#api-key-auth)\n",
        "2. [OAuth2 & JWT](#oauth2-jwt)\n",
        "3. [Rate Limiting](#rate-limiting)\n",
        "4. [Resource Security](#resource-security)\n",
        "5. [Best Practices](#best-practices)\n",
        "6. [Security Patterns](#security-patterns)\n"
      ]
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        "# 🔐 Security & Authentication\n",
        "\n",
        "Master enterprise-grade security for MCP systems! Learn authentication, authorization, encryption, and security best practices to build production-ready, secure MCP applications.\n",
        "\n",
        "## 🎯 Learning Objectives\n",
        "\n",
        "By the end of this notebook, you will:\n",
        "- Implement robust authentication systems (OAuth2, JWT, API keys)\n",
        "- Design fine-grained authorization controls\n",
        "- Build secure communication channels\n",
        "- Apply security hardening techniques\n",
        "- Create audit and compliance systems\n",
        "\n",
        "## 🛡️ Security Layers\n",
        "\n",
        "- **🔑 Authentication**: Who is the user/client?\n",
        "- **🚪 Authorization**: What can they access?\n",
        "- **🔒 Encryption**: Protect data in transit and at rest\n",
        "- **📋 Auditing**: Track all security events\n",
        "- **🛡️ Hardening**: Defense in depth strategies\n",
        "\n",
        "## 📚 Table of Contents\n",
        "\n",
        "1. [Authentication Strategies](#authentication)\n",
        "2. [Authorization & Access Control](#authorization)\n",
        "3. [Encryption & Secure Communication](#encryption)\n",
        "4. [Security Auditing & Compliance](#auditing)\n",
        "5. [Penetration Testing & Hardening](#hardening)\n",
        "\n",
        "---\n"
      ]
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