GraphQL Inspector - Schema Diff

Expert knowledge of GraphQL Inspector's diff command for detecting breaking, non-breaking, and dangerous changes between GraphQL schema versions.

Overview

GraphQL Inspector's diff command compares two GraphQL schemas and outputs a precise list of changes. Each change is categorized as breaking, non-breaking, or dangerous, helping teams prevent API regressions.

Core Commands

Basic Diff

# Compare two schema files
npx @graphql-inspector/cli diff old-schema.graphql new-schema.graphql

# Compare against git branch
npx @graphql-inspector/cli diff 'git:origin/main:schema.graphql' schema.graphql