# Rook

**Canonical:** https://apis.io/providers/rook/  
**Website:** https://rook.io  
**APIs profiled:** 6

Rook is a CNCF graduated cloud-native storage orchestrator for Kubernetes, providing the platform, framework, and support for Ceph distributed storage systems to natively integrate with cloud-native environments. It automates the deployment, configuration, provisioning, scaling, upgrading, and monitoring of storage systems through Kubernetes operators and Custom Resource Definitions (CRDs), with primary support for Ceph block storage, shared filesystems, and S3-compatible object storage.

## Kin Score — 37.9 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.9).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 62.9 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 18.4 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

## Agent readiness — 35.9 (agent-ready)

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

## Access

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

## APIs (6)

- **Rook Ceph Custom Resource API** — Rook extends Kubernetes through Custom Resource Definitions (CRDs) to declaratively manage Ceph storage clusters. The CRD API includes resources for CephCluster, CephBlockPool, ...
- **Rook Ceph Block Storage API** — Rook provides Ceph block storage (RBD) through Kubernetes StorageClasses and PersistentVolumeClaims. The CephBlockPool CRD and associated StorageClass allow applications to dyna...
- **Rook Ceph Shared Filesystem API** — Rook manages CephFilesystem resources to provision shared POSIX-compliant file storage backed by CephFS. Multiple pods can simultaneously read and write to shared filesystem vol...
- **Rook Buckets API** — S3-compatible bucket creation, listing, deletion, and configuration operations on Ceph Object Storage provisioned by Rook
- **Rook Multipart Uploads API** — S3-compatible multipart upload operations for large objects, including initiation, part upload, completion, and abort
- **Rook Objects API** — S3-compatible object upload, download, listing, deletion, and metadata operations within Ceph Object Storage buckets

## Agentic access (1)

- **Rook Agentic Access** — 11 operations · 5 acting

## Security (2)

- **Rook Authentication** — apiKey · 1 scheme
- **Rook Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Rook Plans Pricing**

## Tags

Block Storage, CNCF, Ceph, Cloud-Native, File Storage, Graduated, Kubernetes, Object Storage, Orchestration, Storage

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