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Claude Structured Output
Claude Structured Output
Generate structured output from AI prompts using Anthropic Claude. Create typed data with generateText and Output.object().
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Problems solved
Technical challenges this implementation handles out of the box.
- Generate schema-validated objects with Claude via generateObject
- Return complete structured JSON in one response
- Demonstrate Anthropic structured output through the AI SDK
Use cases
Products and workflows this pattern is designed to support.
- Claude structured data extractors
- Schema-backed API response demos
- Classification and tagging tools
- AI SDK generateObject onboarding with Claude
Setup
Requirements, wiring steps, and what this pattern adds to your project.
Getting started
Pick how you want to pull this pattern in. Then wire env vars and routes the same way.
- 1
Download → Next.js app
Use Download → Next.js app in the preview toolbar. You get a zip scaffold (Pro downloads rewrite preview `/view/.../api/*` paths to `/api/*` automatically).
- 2
Extract the zip and install dependencies
Unzip the archive, then run `pnpm install` (or npm / yarn) in the project folder.
- 3
Fill .env.local
The download includes .env.local placeholders when needed. Add real values for: ANTHROPIC_API_KEY.
- 4
Customize the agent and tool files
Adapt prompts, tools, and stop conditions in the generated project for your product.
- 5
Run the app and open the pattern route
Run `pnpm dev`, open the setup/checklist page if present, then navigate to the generated pattern route and verify responses.
Environment variables
ANTHROPIC_API_KEYGet key
Capabilities
AI SDK APIs
generateTextOutput.objectProviders
Claude
Files added
5 filesapp/page.tsxapp/layout.tsxcomponents/basic-generate-object-form.tsxapp/api/generate-object/route.tsapp/api/generate-object/schema.ts
Dependencies
10 totalnpm packages
5AISDKlucide-reactNext.jsReactZod
Registry components
input-groupseparatoremptyitemalert
Critical files
generate-object/route.tsAPI route implementing structured object generation using Anthropic Claude with AI SDK generateText and Output.object pattern.
generate-object/schema.tsZod schema defining the structured output shape used by the generate-object route for validated AI output.
Requirements
- Complexity
- Beginner
