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‎README.md‎

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# SchemaForge
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**Bidirectional ORM schema converter** — convert between SQL DDL, Prisma, Drizzle, TypeORM, and Django models with zero-loss roundtripping.
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**Bidirectional ORM schema converter — convert between SQL DDL, Prisma, Drizzle, TypeORM, and Django models with zero-loss roundtripping.**
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## Why SchemaForge?
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[![PyPI](https://img.shields.io/pypi/v/schemaforge)](https://pypi.org/project/schemaforge/)
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[![Python](https://img.shields.io/pypi/pyversions/schemaforge)](https://pypi.org/project/schemaforge/)
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[![License](https://img.shields.io/pypi/l/schemaforge)](https://github.com/Coding-Dev-Tools/schemaforge/blob/main/LICENSE)
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[![CI](https://github.com/Coding-Dev-Tools/schemaforge/actions/workflows/test.yml/badge.svg)](https://github.com/Coding-Dev-Tools/schemaforge/actions/workflows/test.yml)
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Every major ORM migration is a one-way street. Prisma can introspect SQL but can't export back. Drizzle users manually rewrite schemas when switching ORMs. No tool does bidirectional, lossless conversion between 5+ ORM formats.
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**Why SchemaForge?** Every major ORM migration is a one-way street. Prisma can introspect SQL but can't export back. Drizzle users manually rewrite schemas when switching ORMs. TypeORM developers are locked into decorator syntax. No tool does bidirectional, lossless conversion between 5+ ORM formats — until now.
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SchemaForge fills this gap — the #1 market opportunity according to our research.
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SchemaForge fills this gap. Convert any schema to any format, verify equivalence with the diff command, and batch-process entire directories. Whether you're migrating from Prisma to Drizzle, sharing a schema with a Django backend, or generating SQL DDL from TypeORM entities, SchemaForge handles it with zero information loss.
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## Quick Start
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schemaforge convert --from sql --to prisma --dir ./schemas/
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```
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## Commands
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### `schemaforge convert`
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Convert a schema from one format to another.
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```bash
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schemaforge convert --from prisma --to drizzle --input schema.prisma
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schemaforge convert --from sql --to prisma --input schema.sql --output schema.prisma
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schemaforge convert --from typeorm --to django --input entities/
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schemaforge convert --from django --to drizzle --input models.py --output schema.drizzle.ts
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```
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All direction pairs are fully supported — every format can convert to every other format.
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### `schemaforge diff`
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Show differences between two schema files in the same format.
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```bash
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schemaforge diff schema-v1.prisma schema-v2.prisma
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schemaforge diff schema.sql schema-updated.sql --format sql
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```
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Detects added, removed, and modified tables, columns, indexes, and constraints.
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## Supported Formats
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| Format | Import | Export |
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|--------|--------|--------|
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| SQL DDL | ✅ | ✅ |
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| Prisma schema | ✅ | ✅ |
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| Drizzle schema | ✅ | ✅ |
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| TypeORM entities | ✅ | ✅ |
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| Django models | ✅ | ✅ |
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| Format | Import | Export | Roundtrip |
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|--------|:------:|:------:|:---------:|
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| SQL DDL | ✓ | ✓ | ✓ |
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| Prisma schema | ✓ | ✓ | ✓ |
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| Drizzle schema | ✓ | ✓ | ✓ |
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| TypeORM entities | ✓ | ✓ | ✓ |
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| Django models | ✓ | ✓ | ✓ |
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## Features
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- **Bidirectional conversion** — every supported format can convert to and from every other format
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- **Zero-loss roundtripping** — `sql → prisma → sql` produces the same schema you started with
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- **Diff mode** — compare two schemas in the same format and see line-level differences
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- **Batch mode** — convert entire directories of schema files
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- **Type mapping** — intelligent type system mapping between ORMs (e.g., Prisma `String` ↔ Django `CharField` ↔ SQL `VARCHAR`)
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- **Relation preservation** — foreign keys, indexes, and unique constraints maintained across conversions
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## Pricing
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SchemaForge is one of eight tools in the Revenue Holdings suite. One license covers all CLI tools.
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| Plan | Price | Best For |
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|------|-------|----------|
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| **Free** | $0 | Individual devs, OSS — CLI only, rate-limited |
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| **SchemaForge Individual** | **$15/mo** ($12 billed annually) | Professional devs — unlimited conversions, batch mode |
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| **Suite (all 8 tools)** | **$49/mo** ($39 billed annually) | Full Revenue Holdings toolkit — 40% savings |
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| **Team** | **$79/mo** ($63 billed annually) | Up to 5 devs — shared schemas, team dashboard, alerts |
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| **Enterprise** | Custom | SSO, RBAC, compliance reports, dedicated support |
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🔹 **No lock-in**: CLI works fully offline on the free tier — no telemetry, no phone-home.
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🔹 **Annual billing**: Save 20%.
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### Per-Tier Features
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| Feature | Free | Individual | Suite | Team | Enterprise |
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|---------|:----:|:----------:|:-----:|:----:|:----------:|
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| CLI: convert, diff | ✓ | ✓ | ✓ | ✓ | ✓ |
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| All 5 format directions | — | ✓ | ✓ | ✓ | ✓ |
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| Batch directory conversion | — | ✓ | ✓ | ✓ | ✓ |
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| Zero-loss roundtrip verification | — | ✓ | ✓ | ✓ | ✓ |
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| Custom type mappings | — | ✓ | ✓ | ✓ | ✓ |
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| Team shared type mappings | — | — | — | ✓ | ✓ |
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| Dashboard & analytics | — | — | — | ✓ | ✓ |
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| Compliance reports | — | — | — | — | ✓ |
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| RBAC / SSO / SAML / OIDC | — | — | — | — | ✓ |
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| Priority support | Community | 24h | 24h | 8h | Dedicated |
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---
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<p align="center">
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<sub>Part of <a href="https://coding-dev-tools.github.io/revenueholdings.dev/">Revenue Holdings</a> — CLI tools built by autonomous AI.</sub>
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</p>
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## Roadmap
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- v0.1.0: SQL DDL ↔ Prisma bidirectional conversion
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- v0.2.0: Drizzle support added
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- v0.3.0: TypeORM support
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- v0.4.0: Django models support
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- v0.5.0: Diff mode, batch mode, custom type mappings
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| Version | Features |
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|---------|----------|
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| v0.1.0 | SQL DDL ↔ Prisma bidirectional conversion |
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| v0.2.0 | Drizzle support |
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| v0.3.0 | TypeORM support |
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| v0.4.0 | Django models support |
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| v0.5.0 | Diff mode, batch mode, custom type mappings |
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### Planned
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- [ ] Custom type mapping configuration files
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- [ ] JSON Schema import/export
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- [ ] GraphQL schema export
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- [ ] MCP server for AI-assisted schema operations
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- [ ] VS Code extension with live diff
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- [ ] CI/CD check: enforce schema consistency across branches
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## License
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MIT — Revenue Holdings
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MIT — see [LICENSE](LICENSE)

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