graphql-fundamentals
✓Master GraphQL core concepts - types, queries, mutations, and subscriptions
SKILL.md
This skill covers the essential GraphQL concepts every developer needs. From type definitions to query operations, you'll learn the foundation for building GraphQL APIs.
| Scalar | String, Int, Float, Boolean, ID | name: String! | | Object | type Name { fields } | type User { id: ID! } | | Input | input Name { fields } | input CreateUserInput { name: String! } | | Enum | enum Name { VALUES } | enum Status { ACTIVE INACTIVE } | | List | [Type] or [Type!]! | tags: [String!]! | | Non-null | Type! | id: ID! |
| Cannot query field "x" | Field not in schema | Check spelling, verify schema | | Variable "$x" not defined | Missing variable declaration | Add to query signature | | Expected non-null, got null | Resolver returned null for ! field | Fix resolver or make nullable | | Unknown type "X" | Type not defined | Add type definition |
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/pluginagentmarketplace/custom-plugin-graphql --skill graphql-fundamentals- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is graphql-fundamentals?
Master GraphQL core concepts - types, queries, mutations, and subscriptions Source: pluginagentmarketplace/custom-plugin-graphql.
How do I install graphql-fundamentals?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/pluginagentmarketplace/custom-plugin-graphql --skill graphql-fundamentals Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/pluginagentmarketplace/custom-plugin-graphql
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01