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turso

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Turso and libSQL patterns for embedded SQLite-compatible databases, serverless drivers, sync engines, partial sync, WAL/MVCC behavior, compatibility gaps, CLI usage, and Drizzle integration boundaries. Use when mentioning Turso, libSQL, @libsql/client, remote SQLite, embedded replicas, or local database sync.

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Source SKILL.md: https://github.com/EpicenterHQ/epicenter/blob/HEAD/.agents/skills/turso/SKILL.md

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Turso And libSQL

Reference Repositories

  • Turso - SQLite-compatible database platform and libSQL ecosystem
  • Drizzle ORM - ORM commonly used with libSQL and Turso

Upstream Grounding

When Turso sync behavior, libSQL driver behavior, embedded replicas, partial sync, concurrency, compatibility, or CLI behavior affects correctness, use source-backed grounding before relying on memory. If DeepWiki MCP is available, ask a narrow question against tursodatabase/turso; for Drizzle's libSQL adapter or typed query surface, ask against drizzle-team/drizzle-orm. If DeepWiki is unavailable or the repo is not indexed, use upstream source or official docs directly. Treat DeepWiki as orientation, then verify decisive details against local driver versions, installed types, source, or official docs before changing code.

Use the drizzle-orm skill for schema and query builder decisions.

Driver Boundaries

  • Treat Turso/libSQL as SQLite-compatible, not identical to every local SQLite deployment.
  • Serverless client usage has network and auth behavior. Keep it behind the runtime boundary that owns secrets.
  • Embedded replicas and sync engines have lifecycle and consistency behavior. Document when data is local, when it syncs, and which writes are accepted.
  • Do not assume normal multi-process SQLite behavior when using embedded or remote libSQL modes.

Sync And Compatibility Checks

  • Decide whether the feature needs remote writes, local reads, offline reads, or bidirectional sync before choosing the driver mode.
  • For partial sync, define the subset boundary explicitly and test that queries do not silently depend on unsynced rows.
  • Check current SQLite compatibility before using newer SQLite features, virtual tables, extensions, triggers, or pragma behavior.
  • WAL, MVCC, and concurrency details are part of the database contract. Do not hide them behind generic "SQLite" language when they affect correctness.

Operational Rules

  • Keep Turso CLI commands in docs or scripts, not scattered through app code.
  • Integration tests should cover auth failure, network failure, sync lag, duplicate writes, and migration compatibility.
  • When Drizzle is the ORM, keep the schema and migrations in Drizzle, but put Turso connection, sync, and deployment constraints in this skill's mental model.