# Sinatra

- **Canonical URI:** https://www.vioscale.ai/software/sinatra
- **Category:** Backend Frameworks
- **Homepage:** https://sinatrarb.com
- **Also known as:** sinatra
- **Profile claimed by vendor:** no
- **Last updated:** 2026-09-08T22:07:06.951Z

## vioscaleAI score

**46.6 / 100**, confidence 54% (medium). Computed 2026-09-08.

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 45.8 | 0.083 | 3.8 | ✓ |
| repo_stars | 77.3 | 0.033 | 2.5 | ✓ |
| integrations | 0 | 0.053 | 0 | - |
| dependent_projects | 86 | 0.08 | 6.9 | ✓ |
| dev_activity | 0 | 0.12 | 0 | ✓ |
| release_cadence | 0 | 0.067 | 0 | - |
| security_posture | 0 | 0.087 | 0 | - |
| package_downloads | 0 | 0.173 | 0 | - |
| security_score | 67 | 0.053 | 3.6 | ✓ |
| community_qa_activity | 0 | 0.08 | 0 | - |

## About

Sinatra is a minimal Ruby framework designed for rapidly building web services and REST APIs with a focus on simplicity. It includes testing support via Rack::Test, built-in configuration options, and an extension system for adding functionality.

_Independently observed._

## Capabilities

_The capabilities that matter for Backend Frameworks. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Capabilities** | |
| Language runtime | Ruby |
| Architecture style | Minimalist |
| Async model | - |
| Orm included | - |
| Templating included | - |
| Dependency injection | - |
| CLI scaffolding | - |
| Openapi autogen | - |
| Websocket support | - |
| Background jobs included | - |
| Testing framework included | ✓ |
| API first | ✓ |
| Admin UI generated | - |
| License type | - |

## Security & compliance


Known vulnerabilities: 6 (1 in the last 12 months), max severity HIGH ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=sinatra&per_page=100)). A count reflects scale and disclosure, not quality.

## 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 | 0 | [link](https://github.com/sinatra/sinatra/pulse) | 2026-09-08 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.dependent_repos | 144,784 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fsinatra%2Fsinatra) | 2026-09-08 | 85% (high) |
| adoption.github_stars | 12,449 | [link](https://github.com/sinatra/sinatra) | 2026-09-08 | 90% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Ruby | [link](https://github.com/sinatra/sinatra) | 2026-09-08 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/sinatra/sinatra) | 2026-09-08 | 95% (high) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 6.7 | [link](https://api.securityscorecards.dev/projects/github.com/sinatra/sinatra) | 2026-09-08 | 90% (high) |
| security.vulnerabilities | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=sinatra&per_page=100","last_12m":1,"max_severity":"HIGH"}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=sinatra&per_page=100) | 2026-09-08 | 90% (high) |

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