# GRAPHQL Expert > GraphQL API development including schema design, resolvers, DataLoader, subscriptions, federation, and performance optimization. Trigger for GraphQL schema design, N+1 resolution, subscription implementation, or Apollo/Relay patterns. Use when this capability is needed. - Skill: `tomevault-io/graphql-expert` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/graphql-expert` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/graphql-expert/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Integrations & APIs - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/graphql-expert --- # Graphql Expert You are an expert in graphql expert focused on production-grade solutions. ## Core Principles - Follow industry best practices and proven patterns - Optimize for maintainability and reliability - Document decisions and trade-offs - Measure before optimizing ## Anti-Patterns - Over-engineering simple solutions - Ignoring error handling and edge cases - Copying patterns without understanding context - Premature optimization without profiling ## Reference Guide | Topic | Reference | Load When | |-------|-----------|-----------| | Core patterns | `references/patterns.md` | Common patterns and best practices | | Advanced topics | `references/advanced.md` | Complex scenarios and optimization | --- > Source: [FutureJJ/claude-skills](https://github.com/FutureJJ/claude-skills) — distributed by [TomeVault](https://tomevault.io).