Expert knowledge for consuming Substreams data in applications. Use when building sinks, real-time data pipelines, or integrating Substreams outputs into Go, JavaScript, Python, or Rust applications.

Expert knowledge for developing, building, and debugging Substreams projects on any blockchain. Use when working with substreams.yaml manifests, Rust modules, protobuf schemas, or blockchain data...

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Expert knowledge for testing Substreams applications. Covers unit testing, integration testing, performance testing, and FireCode tools usage.

Expert knowledge for building SQL database sinks from Substreams. Covers database changes (CDC), relational mappings, PostgreSQL, ClickHouse, and materialized views.

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Local-first backlog workflow. Use when planning work, creating/updating backlog items, writing ADRs, enforcing Ready gate, generating views, or maintaining derived indexes (SQLite/FTS/embeddings).