# apollo-federation-subgraph-compatibility

**Repository Path**: mirrors_apollographql/apollo-federation-subgraph-compatibility

## Basic Information

- **Project Name**: apollo-federation-subgraph-compatibility
- **Description**: A repo to test subgraph libraries compatibility with the Apollo Federation Specification
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-08-18
- **Last Updated**: 2025-10-11

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Apollo Federation Subgraph Compatibility Testing Monorepo

[![MIT License](https://img.shields.io/github/license/apollographql/apollo-federation-subgraph-compatibility)](https://github.com/apollographql/apollo-federation-subgraph-compatibility/blob/main/LICENSE)
[![Join the community forum](https://img.shields.io/badge/Join%20The%20Community-Forum-blueviolet)](https://community.apollographql.com)

This monorepo contains test suite that verifies subgraphs compatibility against [Apollo Federation Subgraph Specification](https://www.apollographql.com/docs/federation/subgraph-spec/). This testing suite verifies various Federation features against subgraph implementation. See [compatibility testing docs](./COMPATIBILITY.md) for details on the expected schema and the data sets as well as information about the executed tests. Test suite is packaged as [NPX script](./packages/script/README.md) and [Github Action](https://github.com/apollographql/apollo-federation-subgraph-compatibility-action).

This repository also contains number of [example subgraph implementations](https://github.com/apollographql/apollo-federation-subgraph-compatibility/tree/main/implementations) based on various libraries and other solutions. See [latest compatibility results](https://www.apollographql.com/docs/federation/building-supergraphs/supported-subgraphs) for a list of Apollo Federation compatibible subgraph implementations.

## Contributing

See [CONTRIBUTING.md](./CONTRIBUTING.md) for general contribution guidelines and [Apollo Federation Subgraph Maintainers Implementation Guide](./SUBGRAPH_GUIDE.md) for subgraph implementation instructions. Once you've completed the implementations instructions, feel free to create a PR and we'll review it. If you have any questions please open a GitHub issue on this repository.

## Release

This project is released through Github Actions. To release a new version simply create a new [GH release tag](https://github.com/apollographql/apollo-federation-subgraph-compatibility/releases) with a target release version. Release workflow will then automatically build and publish new NPM packages.

## Contact

If you have a specific question about the testing library or code, please start a discussion in the [Apollo community forums](https://community.apollographql.com/).

## Security

For more info on how to contact the team for security issues, see our [Security Policy](https://github.com/apollographql/.github/blob/main/SECURITY.md).

## License

This library is licensed under [The MIT License (MIT)](https://github.com/apollographql/apollo-federation-subgraph-compatibility/blob/main/LICENSE).