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GraphQL Schema Designer

Caution

Design GraphQL schemas with type definitions, resolver generation, pagination, and N+1 query prevention using DataLoader.

By agent-skills 4,560 stars v1.4.0 Updated 2026-03-10
$ claude install graphql-schema

About This Skill

Overview

GraphQL Schema Designer creates well-structured, performant GraphQL APIs. It generates schemas following best practices for naming, pagination, error handling, and query optimization with automatic DataLoader integration.

Key Features

  • Schema Design: Creates GraphQL type definitions with proper input types, enums, interfaces, and unions. Follows Relay specification for connections and node identification.
  • Resolver Generation: Generates type-safe resolvers that map to your data sources with proper error handling, authorization checks, and input validation.
  • N+1 Prevention: Automatically integrates DataLoader for all relationship fields, batching database queries to prevent the classic N+1 query performance problem.
  • Pagination: Implements Relay-style cursor-based pagination with proper PageInfo types, connection edges, and efficient database queries.

Schema Patterns

Supports code-first (Pothos, Nexus) and schema-first (SDL) approaches. Generates matching TypeScript types from SDL schemas using GraphQL Code Generator configurations.

Performance & Security

Includes query complexity analysis, depth limiting, and field-level cost directives. Rate limiting can be configured per field or per type. All mutations include input validation and proper error union types.

Use Cases

  • Design a complete GraphQL schema from domain model descriptions
  • Generate type-safe resolvers with DataLoader for batched queries
  • Implement Relay-style cursor pagination for list queries
  • Create subscription types for real-time data updates

Pros & Cons

Pros

  • +DataLoader integration prevents N+1 queries automatically
  • +Relay-compliant pagination works with all major client libraries
  • +Query complexity limiting protects against abusive queries
  • +Supports both code-first and schema-first workflows

Cons

  • -Complex federation schemas for microservices need manual architecture decisions
  • -Real-time subscriptions require WebSocket infrastructure setup beyond schema generation

Related AI Tools

Related Skills

FAQ

What does GraphQL Schema Designer do?
Design GraphQL schemas with type definitions, resolver generation, pagination, and N+1 query prevention using DataLoader.
What platforms support GraphQL Schema Designer?
GraphQL Schema Designer is available on Claude Code, Cursor, Windsurf.
What are the use cases for GraphQL Schema Designer?
Design a complete GraphQL schema from domain model descriptions. Generate type-safe resolvers with DataLoader for batched queries. Implement Relay-style cursor pagination for list queries.
What tools work with GraphQL Schema Designer?
GraphQL Schema Designer works well with Claude, Cursor, GitHub Copilot.

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