1
Design Narrow Tool Capabilities
Wrap external APIs as business-intent tools with strict schemas, domain validation, typed errors, timeouts, and result shapes stable enough to build on.
Start lessonTools, Authority, and Idempotent Effects
Design business-intent tool contracts, gate every proposed call through application-owned authorization, and journal effects so retries never duplicate them.
Lessons in this module
Follow the lessons sequentially for best understanding
2
Separate Planning from Authority
Treat every model tool call as a proposal, and revalidate it in application code against identity, policy, environment, and current resource state before execution.
Start lesson3
Make Effects Idempotent
Assign stable keys to consequential actions, journal intent and outcome around execution, and resolve lost responses with status lookup instead of blind retry.
Start lessonKey skills
What you'll master in this module
Practical knowledge
Gain practical experience you can apply immediately
Expertise
Develop deeper domain expertise
Communication
Learn to communicate your knowledge effectively
Documentation
Create your own notes and documentation
Problem analysis
Learn systematic approaches to complex problems
Optimization
Optimize for performance and efficiency
Tips for success
How to get the most out of this module
1
Proceed step by step
Don't move on until you fully understand the previous lesson
2
Practice regularly
Spend daily time on the practical lesson exercises
3
Take notes
Write down key insights and your own thoughts
4
Ask questions
If something is unclear, ask the community for help
5
Test knowledge
Validate learning with exercises and quizzes
6
Share insights
Teach concepts to others to reinforce retention