GraphQL Inspector

GraphQL Inspector ouputs a list of changes between two GraphQL schemas. Every change is precisely explained and marked as breaking, non-breaking or dangerous.
It helps you validate documents and fragments against a schema and even find similar or duplicated types.

Features

Major features:

• Compares schemas
• Finds breaking or dangerous changes
• Validates documents against a schema
• Finds similar / duplicated types
• Schema coverage based on documents
• Serves a GraphQL server with faked data and GraphQL Playground
• Github Bot
• Github Actions

GraphQL Inspector has a CLI and also a programatic API, so you can use it however you want to and even build tools on top of it.