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typespec-sdk-generator

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Microsoft TypeSpec-based API and SDK generation

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Source SKILL.md: https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/sdk-platform-development/skills/typespec-sdk-generator/SKILL.md

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TypeSpec SDK Generator Skill

Overview

This skill utilizes Microsoft TypeSpec (formerly Cadl) to design APIs and generate multi-language SDKs following Azure SDK guidelines. TypeSpec provides a concise, type-safe language for API definition.

Capabilities

  • Design APIs using TypeSpec language
  • Generate multi-language SDKs (TypeScript, Python, Java, C#, Go)
  • Emit OpenAPI and other specification formats
  • Apply Azure SDK style guidelines automatically
  • Implement decorators for rich API semantics
  • Support versioning and deprecation patterns
  • Generate strongly-typed clients

Target Processes

  • SDK Code Generation Pipeline
  • API Design Specification
  • Multi-Language SDK Strategy

Integration Points

  • TypeSpec compiler and emitters
  • AutoRest for SDK generation
  • Azure SDK code generation pipeline
  • OpenAPI emitters
  • Custom emitter development

Input Requirements

  • TypeSpec model files (.tsp)
  • Emitter configurations per target
  • Versioning requirements
  • Style guide preferences
  • Custom decorators (if any)

Output Artifacts

  • Generated SDK source code per language
  • OpenAPI specifications
  • JSON schemas
  • API documentation
  • Client library packages

Usage Example

skill:
  name: typespec-sdk-generator
  context:
    modelDirectory: ./typespec
    emitters:
      - "@azure-tools/typespec-ts"
      - "@azure-tools/typespec-python"
      - "@typespec/openapi3"
    applyAzureGuidelines: true
    apiVersion: "2024-01-01"

Best Practices

  1. Use namespaces to organize API structure
  2. Leverage decorators for documentation and behavior
  3. Implement proper versioning with @versioned
  4. Use templates for reusable patterns
  5. Define clear model inheritance hierarchies
  6. Apply Azure SDK guidelines for consistency