Craig Walls

Software Engineer · Author · Speaker · Spring AI Explorer

Exploring Spring AI, intelligent applications, and modern Spring development.

Explore Spring AI Recipes →

Focused on practical, real-world agentic systems with Spring AI.

Featured Spring AI Recipes

View all recipes →

NEW

Securing an MCP Server with an API Key

Tools give agents power. Security determines who gets to use that power. In this recipe, learn how to add API Key security to your MCP servers.

mcp security

NEW

Adding a Loop to a Graph-Based Workflow

What if your workflow could take a second pass at its own answer before showing it to the user? By adding a simple loop, you can turn a one-shot response into an iterative process that refines itself until it’s actually useful.

agents workflows

NEW

Adding Human-in-the-Loop to a Graph-based Agentic Workflow

Sometimes the smartest thing an AI can do is admit that it’s unsure. Instead of guessing, a graph-based agentic workflow can pause, ask for human guidance, and then continue with confidence. See how to add human-in-the-loop to a graph-based workflow.

agents workflows human-in-the-loop

Latest Updates

May 11 Securing an MCP Server with an API Key
May 08 Adding a Loop to a Graph-Based Workflow
May 06 Adding Human-in-the-Loop to a Graph-based Agentic Workflow
May 04 Building a Graph-Based Agentic Workflow

New ideas, recipes, and experiments as I build with Spring AI.

View all writing →

$ spring init agent
> Building...
> Adding tools
> Done.

Connect

Let's connect on social media and keep the conversation going.

View all links →

Craig Walls

Featured Spring AI Recipes

Securing an MCP Server with an API Key

Adding a Loop to a Graph-Based Workflow

Adding Human-in-the-Loop to a Graph-based Agentic Workflow

Latest Updates

Books

Speaking

Videos

Projects

Connect