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indigo: atproto libraries and services in golang

Some Bluesky software is developed in Typescript, and lives in the bluesky-social/atproto repository. Some is developed in Go, and lives here.

What is in here?

Go Services:

  • bigsky (README): "Big Graph Service" (BGS) reference implementation, running at bsky.network
  • palomar (README): fulltext search service for https://bsky.app

Go Packages:

⚠️ All the packages in this repository are under active development. Features and software interfaces have not stabilized and may break or be removed.

Package Docs
api/atproto: generated types for com.atproto.* Lexicons PkgGoDev
api/bsky: generated types for app.bsky.* Lexicons PkgGoDev
atproto/crypto: crytographic signing and key serialization PkgGoDev
atproto/identity: DID and handle resolution PkgGoDev
atproto/syntax: string types and parsers for identifiers PkgGoDev
mst: Merkle Search Tree implementation PkgGoDev
repo: account data storage PkgGoDev
xrpc: HTTP API client PkgGoDev

The TypeScript reference implementation, including PDS and bsky AppView services, is at bluesky-social/atproto. Source code for the Bluesky Social client app (for web and mobile) can be found at bluesky-social/social-app.

Development Quickstart

First, you will need the Go toolchain installed. We develop using the latest stable version of the language.

The Makefile provides wrapper commands for basic development:

make build
make test
make fmt
make lint

Individual commands can be run like:

go run ./cmd/bigsky

The HACKING file has a list of commands and packages in this repository and some other development tips.

What is atproto?

not to be confused with the AT command set or Adenosine triphosphate

The Authenticated Transfer Protocol ("ATP" or "atproto") is a decentralized social media protocol, developed by Bluesky PBC. Learn more at:

The Bluesky Social application encompasses a set of schemas and APIs built in the overall AT Protocol framework. The namespace for these "Lexicons" is app.bsky.*.

Contributions

While we do accept contributions, we prioritize high quality issues and pull requests. Adhering to the below guidelines will ensure a more timely review.

Rules:

  • We may not respond to your issue or PR.
  • We may close an issue or PR without much feedback.
  • We may lock discussions or contributions if our attention is getting DDOSed.
  • We do not provide support for build issues.

Guidelines:

  • Check for existing issues before filing a new one, please.
  • Open an issue and give some time for discussion before submitting a PR.
  • Issues are for bugs & feature requests related to the golang implementation of atproto and related services.
  • Stay away from PRs that:
    • Refactor large parts of the codebase
    • Add entirely new features without prior discussion
    • Change the tooling or libraries used without prior discussion
    • Introduce new unnecessary dependencies

Remember, we serve a wide community of users. Our day-to-day involves us constantly asking "which top priority is our top priority." If you submit well-written PRs that solve problems concisely, that's an awesome contribution. Otherwise, as much as we'd love to accept your ideas and contributions, we really don't have the bandwidth.

Are you a developer interested in building on atproto?

Bluesky is an open social network built on the AT Protocol, a flexible technology that will never lock developers out of the ecosystems that they help build. With atproto, third-party can be as seamless as first-party through custom feeds, federated services, clients, and more.

If you're a developer interested in building on atproto, we'd love to email you a Bluesky invite code. Simply share your GitHub (or similar) profile with us via this form.

License

This project is dual-licensed under MIT and Apache 2.0 terms:

Downstream projects and end users may chose either license individually, or both together, at their discretion. The motivation for this dual-licensing is the additional software patent assurance provided by Apache 2.0.