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MCP-Bridge
Cloud InfrastructureAuto-generatedScore: 46

AWS WAF Regional MCP Server

The AWS WAF Regional API provides programmatic control over the AWS WAF service specifically for resources within a single AWS Region, such as an Application Load Balancer, Amazon CloudFront distribution (via regional endpoints), or Amazon API Gateway REST API.

Quick Start Summary

The AWS WAF Regional MCP server is a Model Context Protocol bridge that connects AI assistants — including Claude Desktop, Cursor, Windsurf, and VS Code Copilot — to the AWS WAF Regional API through natural language. It exposes 10 API endpoints as callable tools, such as AssociateWebACL, CreateByteMatchSet, CreateGeoMatchSet, and more. No authentication is required — setup takes approximately 30 seconds. The server uses STDIO transport and can be installed by running npx -y @mcp/amazonaws-com-waf-regional. This integration is sourced from the auto AWS WAF Regional OpenAPI specification (v2016-11-28) and has a quality score of 46/99 (fair documentation coverage).

10Endpointstools mapped
NoneAuthopen access
46/99Qualityfair
~30 secSetupno auth
View Hosted Config URLClaude Desktop Setup Guide

Server Details

Category
Cloud Infrastructure
Authentication
None
Endpoints
10 operations
Transport
STDIO
Spec Version
v2016-11-28
Install Command
npx -y @mcp/amazonaws-com-waf-regional

Environment Variables

AWS_WAF_REGIONAL_API_KEY

Example: your_aws_waf_regional_api_key

Top Endpoints

POST
/#X-Amz-Target=AWSWAF_Regional_20161128.AssociateWebACL

AssociateWebACL

POST
/#X-Amz-Target=AWSWAF_Regional_20161128.CreateByteMatchSet

CreateByteMatchSet

POST
/#X-Amz-Target=AWSWAF_Regional_20161128.CreateGeoMatchSet

CreateGeoMatchSet

POST
/#X-Amz-Target=AWSWAF_Regional_20161128.CreateIPSet

CreateIPSet

POST
/#X-Amz-Target=AWSWAF_Regional_20161128.CreateRateBasedRule

CreateRateBasedRule

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📖 Detailed MCP Integration Guide

A technical breakdown of capabilities, agent workflows, and security/configuration best practices.

⚡Capabilities & Use Cases
The AWS WAF Regional API provides programmatic control over the AWS WAF service specifically for resources within a single AWS Region, such as an Application Load Balancer, Amazon CloudFront distribution (via regional endpoints), or Amazon API Gateway REST API. It serves as a critical security layer for web applications and APIs, enabling developers to define and enforce protective rules that filter and block malicious HTTP and HTTPS traffic. Core capabilities include creating and managing rule groups, IP sets, geographic match sets, size constraint sets, and rate-based rules to mitigate common exploits like SQL injection and cross-site scripting, prevent DDoS attacks, and enforce access controls based on source geography or request characteristics. This API is primarily utilized by cloud security architects, DevOps engineers, and application developers building on AWS who need to implement sophisticated, programmable web security postures for resources that are not globally distributed, making it essential for enterprise-grade applications requiring fine-grained, regional security controls.
🤖AI Agent Value
Exposing the AWS WAF Regional API as a set of tools through a Model Context Protocol (MCP) server offers immense value to AI coding assistants by transforming static security policy management into a dynamic, conversational workflow. Instead of manually writing CloudFormation templates or using the AWS CLI, a developer can instruct an AI agent to interact directly with the WAF service in real time. The AI can interpret high-level security intentions, such as "create a rule to block requests from China targeting our login API endpoint" or "set up a rate limit for our e-commerce checkout page," and translate them into the appropriate sequence of API calls. This integration dramatically accelerates security configuration, reduces syntax errors, and allows for rapid iteration of protective rules during development and incident response. It bridges the gap between security policy intent and technical implementation, making robust web protection accessible to a broader range of developers within a collaborative, AI-augmented environment.
💬Example Workflows
Within an MCP-powered workflow, a developer can leverage an AI agent to perform a variety of dynamic, security-focused tasks using the AWS WAF Regional API. For instance, during a code review for a new microservice, the developer could instruct the agent to "query the current IPSet named 'Whitelist' and check if the staging environment's IP is included before deploying," ensuring continuous integration pipelines aren't blocked. To respond to a emerging threat, the agent can be tasked to "create a new ByteMatchSet for the suspicious user-agent string 'XssBot' and add it to our main WebACL to block it immediately," automating the patching process. For auditing and compliance, the developer could command, "list all RuleGroups, extract their names and last update timestamps, and summarize which have been modified in the past 30 days," enabling automated security posture reporting without manual console navigation.
🛡️Security & Auth
Proper authentication and authorization are paramount when configuring an MCP server for this API. The underlying requests must be signed using AWS Signature Version 4; therefore, the MCP server environment requires secure management of AWS credentials, typically via an IAM role with the precise permissions needed (e.g., wafregional:CreateRule, wafregional:GetWebACL). The principle of least privilege must be strictly enforced, granting only the specific WAF actions necessary for the intended workflow and scoping permissions to specific resource ARNs where possible. Developers should avoid embedding long-lived credentials, instead favoring temporary credentials from AWS Security Token Service (STS). Furthermore, the AI agent's operational context must be constrained to authorized actions, and all API calls should be logged and audited via AWS CloudTrail to maintain visibility and traceability for security and compliance reviews.

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