Setup & Installation
What This Skill Does
CLI tool for managing GraphQL schemas in Apollo GraphOS. Handles publishing, fetching, and validating subgraph schemas, composing federated supergraphs locally, and running a local development router with hot-reloading composition.
It replaces manual schema copying, ad-hoc composition scripts, and separate Router setup with a single CLI that handles the full federated GraphQL workflow from local dev to production publishing.
When to use it
- Publishing a subgraph schema to GraphOS after merging a PR
- Checking schema changes against production traffic before deploying
- Composing a federated supergraph locally from multiple subgraph files
- Running a local supergraph router during development with rover dev
- Fetching the current production schema to diff against local changes
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