Data source
@subsquid/substrate-processor—SubstrateBatchProcessor, the Substrate data source and runner
Typegen and Substrate utilities
@subsquid/substrate-typegen— runtime-aware pallet data decoding and storage queries@subsquid/ink-typegen— decoders for ink! contracts@subsquid/ss58— SS58 address encoding/decoding@subsquid/frontier— Frontier EVM pallet data extraction
Stores
Any store works with any data source:@subsquid/typeorm-store— PostgreSQL, with@subsquid/typeorm-codegen(dev dependency) and@subsquid/typeorm-migration@subsquid/file-store— filesystem datasets (CSV, JSON, Parquet, local or S3)@subsquid/bigquery-store— Google BigQuery
Serving and tooling
@subsquid/graphql-server— the OpenReader GraphQL server, derived from the schema file- Hasura configuration tool — for Hasura-based APIs
@subsquid/logger— structured logging- Squid CLI — scaffolding
(
sqd init), command runner, and SQD Cloud deployment