graphql-implementation

Builds GraphQL APIs with schema design, resolvers, error handling, and performance optimization using Apollo or Graphene. Use when creating flexible query APIs, migrating from REST, or implementing real-time subscriptions.

Install with Tessl CLI

npx tessl i github:secondsky/claude-skills --skill graphql-implementation

What are skills?

Review — 93%

Does it follow best practices?

Evaluation — 100%

Agent success when using this skill

Validation — 11 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

30%

Blog API with User and Post Data

DataLoader N+1 prevention with Apollo Server

Criteria

Without context

With context

Apollo Server package

100%

Standalone server import

100%

DataLoader used

100%

DataLoader batching function

100%

DataLoader in resolvers

100%

dataSources context pattern

100%

GraphQLError import

100%

GraphQLError with extensions

100%

Non-null schema fields

100%

Input types for mutations

100%

Pagination parameters

100%

No direct N+1 pattern

100%

Without context: $0.3117 · 1m 12s · 17 turns · 17 in / 3,577 out tokens

With context: $0.3440 · 1m 2s · 17 turns · 18 in / 3,841 out tokens

100%

40%

Product Catalog GraphQL API

Query complexity limits and GraphQL error handling

Criteria

Without context

With context

Apollo Server package

100%

Complexity plugin

100%

Complexity limit value

100%

Complexity in server config

100%

GraphQLError import

100%

GraphQLError with extensions

100%

Input validation in resolvers

60%

100%

Non-null schema fields

100%

Input types for mutations

100%

No deeply nested self-reference without limit

100%

Descriptive naming

100%

Pagination on lists

100%

Without context: $0.8251 · 3m 9s · 28 turns · 28 in / 11,646 out tokens

With context: $0.7834 · 3m 9s · 30 turns · 31 in / 9,967 out tokens

100%

23%

Task Management GraphQL API in Python

Python Graphene Flask API implementation

Criteria

Without context

With context

Graphene import

100%

Flask and flask_graphql

100%

GraphQLView integration

100%

graphiql enabled

100%

ObjectType classes

100%

InputObjectType for mutations

100%

Mutation Arguments class

100%

Mutation mutate method

100%

Pagination with limit and offset

20%

100%

Pagination slice logic

62%

100%

Schema with query and mutation

100%

Requirements file

100%

Non-null required fields

33%

100%

Without context: $0.2069 · 43s · 10 turns · 11 in / 2,851 out tokens

With context: $0.3902 · 1m 10s · 19 turns · 20 in / 3,738 out tokens

Evaluated: about 11 hours ago
Agent: Claude Code

Table of Contents

Blog API with User and Post Data Product Catalog GraphQL API Task Management GraphQL API in Python

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