# PostGraphile

> Builds a powerful, extensible and performant GraphQL API from a PostgreSQL schema in seconds

- **Canonical URI:** https://www.vioscale.ai/software/postgraphile
- **Category:** GraphQL Tools
- **Homepage:** https://www.graphile.org/postgraphile/
- **Also known as:** postgraphile
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-01T21:25:29.267Z

## Vioscale score

**66 / 100**, confidence 34% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 67.1 | 16 | 1073.9 | ✓ |
| github_stars | 77.6 | 5 | 387.8 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 63.1 | 18 | 1135.8 | ✓ |
| release_cadence | 0 | 10 | 0 | - |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 65.2 | 26 | 1694.9 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## About

PostGraphile automatically generates a secure and performant GraphQL API from your PostgreSQL database schema, leveraging PostgreSQL's built-in security and role-based access control.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, macOS, Linux, Windows
- **Deployment:** Cloud / SaaS, Self-hosted

## Capabilities

_The capabilities that matter for GraphQL Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Role | DB-to-GraphQL |
| Primary language | - |
| **Modelling** | |
| Schema approach | DB introspection |
| **Scale** | |
| Federation / subgraph composition | - |
| **Realtime** | |
| Real-time subscriptions | ✓ |
| **Performance** | |
| Response / edge caching | - |
| **DX** | |
| Typed code generation | - |
| **Automation** | |
| Generates API from a database | ✓ |
| **Security** | |
| Built-in authz / permissions | ✓ |
| **Deployment** | |
| Official hosted offering | - |
| Self-hostable | ✓ |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/graphile/crystal/pulse) | 2026-08-01 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 12,933 | [link](https://github.com/graphile/crystal) | 2026-08-01 | 90% (high) |
| adoption.package_downloads_weekly | 104,435 | [link](https://www.npmjs.com/package/postgraphile) | 2026-08-01 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/graphile/crystal) | 2026-08-01 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/graphile/crystal) | 2026-08-01 | 99% (high) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://www.graphile.org/status) | 2026-08-01 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/postgraphile). Independent, evidence-based software intelligence. Cite the canonical URI.*