# RubyGems

**Canonical:** https://apis.io/providers/rubygems/  
**Website:** https://rubygems.org/  
**APIs profiled:** 9

RubyGems.org is the Ruby community's primary gem hosting service, providing the infrastructure for publishing, discovering, and installing Ruby gems. The RubyGems API enables programmatic access to gem metadata, version information, download statistics, search, owner management, webhooks, and the compact index used by Bundler for dependency resolution. RubyGems.org hosts over 160,000 gems with billions of total downloads.

## Kin Score — 38.4 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.4).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 66.9 |
| Governance | 11.4 |
| Contract Governance | 11.4 |
| Operational Transparency | 28.9 |
| Developer Ergonomics | 33.3 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

## Agent readiness — 45.2 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: high).

## APIs (9)

- **RubyGems Gems API** — The RubyGems Gems API (v1) provides endpoints for retrieving gem metadata, listing owned gems, submitting new gems, yanking gem versions, managing gem ownership, retrieving user...
- **RubyGems Downloads API** — The RubyGems Downloads API provides download count statistics for gems and individual gem versions hosted on RubyGems.org.
- **RubyGems Search API** — The RubyGems Search API allows developers to search for gems by matching a query string against gem names and descriptions. Returns paginated results of active gems.
- **RubyGems Activity API** — The RubyGems Activity API provides activity feeds of the most recently added and most recently updated gems on RubyGems.org, useful for monitoring new releases and tracking ecos...
- **RubyGems Webhooks API** — The RubyGems Webhooks API enables webhook subscriptions that fire when gems are pushed to RubyGems.org. Webhooks can be scoped to a specific gem or applied globally using a wild...
- **RubyGems Dependencies API** — Endpoints for querying gem dependency information.
- **RubyGems Owners API** — Endpoints for managing gem ownership, including listing owners, adding and removing owners, and listing gems by owner.
- **RubyGems Profiles API** — Endpoints for retrieving user profile information from RubyGems.org.
- **RubyGems Versions API** — Endpoints for querying detailed version information for specific gem versions, including metadata, dependencies, checksums, and platform-specific builds.

## Agentic access (1)

- **Rubygems Agentic Access** — 28 operations · 9 acting

## Security (2)

- **Rubygems Authentication** — apiKey/http · 2 schemes
- **Rubygems Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Rubygems Plans Pricing**

## Tags

Ruby, Package Manager, Open-Source, Developer Tools

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/rubygems/). Scores are computed from the provider's own public artifacts under a published rubric.