data-graphql

Design GraphQL schemas and resolvers with DataLoader to prevent N+1 queries.

2|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/nholder88/ai-agent-workflows --skill data-graphql
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: data-graphql
Source: https://github.com/nholder88/ai-agent-workflows/tree/main/skills/data-graphql
Command: npx skills add https://github.com/nholder88/ai-agent-workflows --skill data-graphql

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Designing and maintaining GraphQL APIs across teams often leads to inconsistent schemas, inefficient resolvers, and N+1 query problems that degrade performance and increase maintenance cost. This skill provides a structured methodology to design robust GraphQL schemas, implement effective resolvers, and apply DataLoader-based batching, along with federation and pagination patterns to ensure scalable, maintainable APIs.

Core Features & Use Cases

  • Detects the GraphQL framework and schema style (schema-first vs code-first).
  • Catalogs types, queries, mutations, resolvers, and DataLoader patterns; identifies N+1 pitfalls.
  • Recommends and implements performance best practices: pagination (relay-style or offset), depth/complexity limits, and federation or schema stitching scenarios.
  • Applies authorization patterns (directive-based or context-based) in resolvers and mutations.
  • Produces a concrete output contract including a schema blueprint, resolver strategy, and validation steps.

Quick Start

Design a GraphQL schema and resolver strategy for a new service, applying DataLoader to optimize queries.

Frequently Asked Questions about data-graphql

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix N+1 query problems in GraphQL resolvers?

To fix N+1 query problems in GraphQL resolvers, implement DataLoader-based batching to group and cache database requests, preventing separate fetches for each returned item.

What is the best way to design a GraphQL schema for federation?

The best way to design a GraphQL schema for federation is to apply framework-specific schema analysis across Apollo Server or NestJS GraphQL, establishing boundary definitions and resolver strategies for distributed services.

How do I implement relay-style pagination in a GraphQL schema?

To implement relay-style pagination in a GraphQL schema, define cursor-based connections in your type definitions and build corresponding resolver functions to slice data and return edge nodes with pagination metadata.

Does this GraphQL optimization approach work with type-graphql?

Yes, this GraphQL optimization approach works with type-graphql by detecting your code-first schema style and tailoring the resolver, DataLoader, and authorization patterns to fit the framework's decorators.

How do I add authorization checks to GraphQL mutations?

To add authorization checks to GraphQL mutations, apply directive-based or context-based authorization patterns directly within the resolver logic to validate user permissions before data modification.

How do I limit query depth and complexity in a GraphQL API?

To limit query depth and complexity in a GraphQL API, implement validation checks within your schema blueprint to enforce maximum depth boundaries and calculate query costs before execution.