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seed-data

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Declarative synthetic data for Python. State the facts a dataset must hold (monthly revenue, channel shares, balanced ledgers, foreign keys, state machines) and get multi-table data that holds them exactly, with a DuckDB certificate anyone can rerun. From YAML, SQL DDL or a sentence. CLI and MCP server.

  • Updated Nov 1, 2026
  • Python

Realistic synthetic sample data for testing — 5 topics, 6 formats (CSV, JSON, SQLite, PDF, PNG, JPEG), identical records in each. Foreign keys resolve, totals reconcile to the cent, check digits validate. Reproducible from seeded generators. CC BY 4.0.

  • Updated Sep 19, 2026
  • Python

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