AWS re:Invent 2025 - Teaching your AI tools custom languages and libraries (DVT341)

Watch	Topic	Details
YouTube	Introduction to Kiro	Kiro is an agentic IDE launched by AWS. It helps developers from prototype to production. Kiro uses tools like MCP and steering for context management.
YouTube	Teaching AI Tools Custom Languages	Many organizations use custom tools and languages. Kiro can be taught to understand and use these custom languages. The session demonstrates teaching Kiro a fictional language called MathJSON.
YouTube	Context Management Tools	MCP (Model Context Protocol) allows Kiro to access external systems and information. Steering is a set of rules that guide Kiro's behavior and output. These tools are used to teach Kiro about custom languages and libraries.
YouTube	Demo: Teaching Kiro MathJSON	MathJSON is a fictional JSON syntax for writing math equations. Kiro initially fails to understand MathJSON. By using steering and MCP, Kiro is gradually taught to understand and use MathJSON. The process involves refining documentation, being prescriptive, and using real-time access to documentation.
YouTube	Additional Optimizations	Kiro can be taught to update its own guidance. Using vector or semantic databases can optimize the retrieval of relevant information. Further learning opportunities about Kiro are available at re:Invent events and locations.

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Description

Enterprises often develop custom libraries, tools, and domain-specific languages to power their operations. Integrating these proprietary assets within your AI tools can be a challenge. In this talk, I will share how to use Kiro, an agentic AI tool, to understand and work with custom libraries. I'll demonstrate the power of combining steering files and Model Context Protocol to teach Kiro new skills, establish best practices, and keep its knowledge up-to-date. Attendees will learn a repeatable approach to empower their AI tools to seamlessly work with the specialized services that drive their business

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AWS re:Invent: https://go.aws/reinforce.
More AWS events: https://go.aws/3kss9CP

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