Test WAF security interactively with an AI agent and WAFtester MCP
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 4 nodes and runs when a chat message arrives. Along the way it connects MCP Client and OpenAI Chat Model.
How it runs
Trigger: When a chat message arrives.
- AI Agent: runs an AI agent, with model: OpenAI Chat Model; 1 tool (WAFtester MCP)
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (4)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
What it does A conversational AI agent that connects to WAFtester via MCP (Model Context Protocol) for interactive Web Application Firewall security testing. Type natural language requests — the agent picks the right tools, runs the tests, and explains the…