Fastly NGWAF MCP Server

A comprehensive Model Context Protocol (MCP) server that provides seamless integration with the Fastly NGWAF (Next-Gen Web Application Firewall) API. This server enables AI assistants like Claude to manage web application security through natural language interactions.

Features

🛡️ Complete WAF Management

Create, read, update, and delete security rules
Manage IP allow/block lists
Configure rate limiting and alerts
Monitor security events and analytics

🏢 Multi-tenancy Support

Corporation and site-level management
Context-aware operations
Bulk operations across multiple sites

🤖 AI-Friendly Interface

Natural language rule creation
Intelligent threat pattern detection
Automated security policy suggestions

Installation

Prerequisites

Node.js 18+
Fastly NGWAF account with API access
MCP-compatible AI assistant (Claude Desktop, etc.)

Setup

Clone the repository

git clone https://github.com/yourusername/FastlyMCP.git
cd FastlyMCP

Install dependencies

npm install

Configure environment variables (optional)

# Create .env file
FASTLY_NGWAF_EMAIL=your-email@example.com
FASTLY_NGWAF_TOKEN=your-api-token
FASTLY_NGWAF_DEFAULT_CORP=your-corp-name
FASTLY_NGWAF_DEFAULT_SITE=your-site-name

Start the server

npm start

Configuration

Claude Desktop Integration

Add this to your Claude Desktop configuration file:

Windows: %APPDATA%\Claude\claude_desktop_config.json macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "fastly-ngwaf": {
      "command": "node",
      "args": ["path/to/FastlyMCP/server.js"],
      "env": {
        "FASTLY_NGWAF_EMAIL": "your-email@example.com",
        "FASTLY_NGWAF_TOKEN": "your-api-token"
      }
    }
  }
}

AI-Powered Interactions

Natural Language: "Create a rule to block SQL injection attacks on my website"

AI Response: The assistant will automatically:

Detect the intent (create security rule)
Identify the threat type (SQL injection)
Generate appropriate rule conditions
Apply the rule to your configured site

Available Tools

Authentication & Setup

set_credentials - Configure API credentials
test_connection - Validate API connectivity
set_context - Set default corp/site context
discover_environment - Explore available resources

Rule Management

list_corp_rules / list_site_rules - List security rules
create_corp_rule / create_site_rule - Create new rules
delete_corp_rule / delete_site_rule - Remove rules

Security Monitoring

list_events - View security events
search_requests - Search request logs
get_suspicious_ips - Identify threat sources
expire_event - Manually unblock IPs

IP List Management

manage_whitelist - Allow/block IP addresses
manage_blacklist - Block malicious IPs
manage_lists - Custom IP/country/string lists

Analytics & Reporting

get_analytics - Security metrics and trends
get_corp_overview - High-level attack summary
manage_alerts - Configure monitoring alerts

Advanced Features

manage_cloudwaf - CloudWAF instance management
manage_users - User access control

Common Use Cases

🚨 Incident Response

"An IP address 1.2.3.4 is attacking my site, block it immediately"

AI automatically identifies the threat
Adds IP to blacklist with appropriate duration
Confirms blocking is active

🛡️ Proactive Security

"Set up protection against the latest OWASP top 10 vulnerabilities"

Creates comprehensive rule sets
Configures appropriate thresholds
Sets up monitoring alerts

📊 Security Analytics

"Show me attack trends from the past month and suggest improvements"

Analyzes historical attack data
Identifies patterns and threat sources
Recommends rule optimizations

🔧 Bulk Management

"Apply the same security rules from site A to sites B, C, and D"

Exports existing rule configurations
Adapts rules for different sites
Bulk applies with verification

API Reference

The server exposes the complete Fastly NGWAF API through intuitive MCP tools. Each tool maps to specific API endpoints while handling authentication, context resolution, and error management automatically.

Rate Limiting

The server respects Fastly API rate limits and implements appropriate retry logic.

Development

Project Structure

FastlyMCP/
├── server.js          # Main MCP server implementation
├── package.json       # Dependencies and scripts  
├── README.md          # This documentation
└── .env.example       # Environment variable template

Testing

# Test API connectivity
npm start
# In another terminal/AI session:
# test_connection()

Troubleshooting

Common Issues

Authentication Failed

Verify email and API token are correct
Ensure token has appropriate permissions
Check Fastly account status

Context Errors

Set default corporation: set_context({ corpName: "your-corp" })
Verify corp/site names exist: discover_environment()

Permission Denied

Check user role has necessary permissions
Verify site access in Fastly dashboard

Debug Mode

Enable verbose logging by setting environment variable:

DEBUG=fastly-ngwaf npm start

Security Considerations

Store API credentials securely (environment variables or secure credential managers)
Use principle of least privilege for API tokens
Regularly rotate API credentials
Monitor for unauthorized API usage
Keep dependencies updated

License

MIT License - see LICENSE file for details.

Support

Changelog

v1.0.0

Initial release with complete NGWAF API coverage
MCP server implementation
Rule management (CRUD operations)
IP list management
Analytics and monitoring
CloudWAF support
User management features

Install Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

View all tools

Provides seamless integration with Fastly's Next-Gen Web Application Firewall API, enabling AI assistants to manage web application security through natural language interactions.

Related Resources

Reddit Discussion about this server

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