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langchain-structured-output - Get Structured JSON Output from LangChain Models

Get validated structured output from LangChain agents and models using Zod schemas with automatic validation

Tags

Updated: 2026-05-11
structured outputdata extractiontype safetyJSON validationLangChainZodschema validationAPI integration

Capabilities

define output schemavalidate response dataextract contact infofill form fields

Typical Inputs

Zod schemaJSON schemauser message

Typical Outputs

structured JSON objectvalidated dataparsed response

What this skill does

  • define output schema
  • validate response data
  • extract contact info
  • fill form fields
  • classify text data
  • validate enums
  • extract arrays
  • handle validation errors

Inputs

  • Zod schema
  • JSON schema
  • user message
  • raw model response

Outputs

  • structured JSON object
  • validated data
  • parsed response
  • error message

Requirements

  • TypeScript environment
  • LangChain SDK
  • Zod library
  • model with structured output support

Source

  • Spec: SKILL.md

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