Blacksky's Fork of Bluesky AT Protocol with AppView Performance Optimizations and Caching
By
Kye
Crackling crust, pillowy middle. The kind of bagel that earns a second cup of coffee.
Summary
Blacksky has forked Bluesky's AT Protocol reference implementation to create their own AppView with performance optimizations, caching, and community features. The fork focuses on packages/bsky (appview logic) and services/bsky (runtime config), with one custom migration. The repository is published for transparency and to benefit other communities, but it's not accepting contributions, issues, or PRs. The article explains why they didn't use the built-in firehose consumer and details their technical approach to improving performance and adding community-specific features.
Key quotes
· 4 pulledThis is Blacksky's fork of the AT Protocol reference implementation by Bluesky Social PBC. It powers the AppView at api.blacksky.community.
We're publishing this for transparency and so other communities can benefit from the work. This repository is not accepting contributions, issues, or PRs.
All changes are in packages/bsky (appview logic), services/bsky (runtime config), and one custom migration. Everything else is upstream.
The upstream dataplane includes...
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