Craig Walls

Software Engineer · Author · Speaker · Spring AI Explorer

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

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

Foundations Agents Tools Human-in-the-Loop Skills A2A MCP Workflows Memory Security RAG Voice Embabel

Featured Spring AI Recipes

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NEW Applying Input Guardrails with SafeGuardAdvisor

Applying Input Guardrails with SafeGuardAdvisor

A system prompt can ask an AI to stay within certain boundaries, but it can’t enforce them. In this recipe, you’ll learn how Spring AI’s SafeGuardAdvisor stops forbidden prompts before they ever reach the LLM.

foundationssecurity
NEW Enabling Resilient Structured Output

Enabling Resilient Structured Output

Structured output is great...until your LLM decides to return Markdown instead of JSON. In this Spring AI recipe, learn how to validate structured responses, automatically retry invalid output, and leverage provider-native structured output for even more reliable results.

foundations
NEW Using More than One LLM

Using More than One LLM

Why limit your application to a single LLM? In this recipe, we'll configure Spring AI to talk to multiple AI providers and choose the right one at runtime.

foundations

Latest Updates

  • Jul 06 Applying Input Guardrails with SafeGuardAdvisor
  • Jul 02 Enabling Resilient Structured Output
  • Jun 29 Using More than One LLM
  • Jun 26 Modeling Agent State in Embabel

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

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Books

Author of Spring in Action and other books for Java developers.

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Spring AI in Action

Speaking

Conference talks and keynotes on Spring, AI, and software development.

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Videos

Talks, interviews, demos, and video walkthroughs from conferences and events.

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Projects

Open source projects, experiments, and tools I'm building and exploring.

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

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