# keonik/prisma-erd-generator

Generate an ER Diagram based on your Prisma schema every time you run npx prisma generate

Repository: https://github.com/keonik/prisma-erd-generator
Canonical: https://ross.abutalabs.com/products/prisma-erd-generator
Homepage: https://www.npmjs.com/package/prisma-erd-generator
Language: TypeScript
License: MIT
License Family: permissive
Topics: prisma, typescript, mermaid, entity-relationship-diagram, hacktoberfest
Last push: 2026-08-26T15:56:43+00:00

## Health v2 (maintenance only)
Score: 99/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 99, longevity 100
- inputs: {"age_days": 1902, "days_push": 7, "days_rel": 8, "gap_med": 27.0, "n_releases_24m": 9}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1031, forks 63 (observed 2026-08-28T04:03:17.996554+00:00)

## What it is
A Prisma generator plugin that automatically produces an entity-relationship diagram (ERD) from your Prisma schema each time you run `npx prisma generate`. It outputs Mermaid-based diagrams as SVG, PNG, PDF, or plain Mermaid text, with optional rendering via the Mermaid CLI.

## Use cases
- generate an ER diagram from my Prisma schema
- visualize database relationships in a Prisma project
- keep database documentation up to date automatically
- export my data model as SVG or PNG
- create Mermaid ER diagrams without drawing them by hand

## When to choose
- you use Prisma ORM and want diagrams regenerated on every schema change
- you want zero-effort ERDs checked into your repo as documentation
- you prefer text-based Mermaid output that needs no browser or Chromium

## When to avoid
- your project does not use Prisma
- you need diagrams of a live database rather than a Prisma schema
- you need highly customized diagram layouts beyond Mermaid themes

## Facets
- artifact type: plugin
- maturity: active
- function: documentation, data-visualization, plugin-system
- domain: databases, developer-tools, documentation, web-development
- platform: cli, cross-platform
- tags: prisma, er-diagram, mermaid, schema-visualization, code-generation, nodejs

## Member repositories
- keonik/prisma-erd-generator (main) score 99

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:17.996554+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:07:27.427530+00:00, confidence not recorded.
  - readme: https://github.com/keonik/prisma-erd-generator (fetched 2026-08-28T04:03:17.996554+00:00, sha 56cd805c33a3)
  - homepage: https://www.npmjs.com/package/prisma-erd-generator (fetched 2026-08-29T13:06:52.902632+00:00, sha cb418ac38996)
  - registry_npm: https://registry.npmjs.org/prisma-erd-generator (fetched 2026-08-29T13:06:52.914601+00:00, sha e8330f827886)
- Data as of 2026-08-30T08:39:29.467469+00:00.