Agent skill
graphql-schema-designer
GraphQL schema design and optimization with federation support
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/sdk-platform-development/skills/graphql-schema-designer
SKILL.md
GraphQL Schema Designer Skill
Overview
This skill specializes in designing, optimizing, and maintaining GraphQL schemas with support for schema stitching, federation, and advanced patterns. It ensures type-safe, performant, and well-documented GraphQL APIs.
Capabilities
- Design type-safe GraphQL schemas following best practices
- Implement schema stitching and Apollo Federation
- Optimize query complexity and configure depth limits
- Generate comprehensive schema documentation
- Design efficient resolver patterns
- Implement pagination (Relay connections, offset-based)
- Configure subscriptions and real-time features
- Validate schema against design guidelines
Target Processes
- API Design Specification
- Multi-Language SDK Strategy
- SDK Architecture Design
Integration Points
- Apollo Server/Client
- Hasura GraphQL Engine
- graphql-codegen for type generation
- GraphQL Inspector for schema validation
- Relay compiler
Input Requirements
- Domain model or entity definitions
- Query requirements and use cases
- Performance requirements (complexity limits)
- Federation requirements (if microservices)
Output Artifacts
- GraphQL SDL schema files
- Federation subgraph configurations
- Type definitions for client generation
- Schema documentation
- Query complexity analysis report
Usage Example
skill:
name: graphql-schema-designer
context:
domainModel: ./docs/domain-model.md
federationEnabled: true
complexityLimit: 1000
depthLimit: 10
generateDocumentation: true
Best Practices
- Use meaningful type and field names
- Implement proper nullability patterns
- Design for pagination from the start
- Document all types and fields
- Use interfaces for polymorphism
- Implement proper error handling with union types
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