# Skeleton Technologies

**Canonical:** https://apis.io/providers/skeleton-technologies/  
**Website:** https://www.skeletontech.com/  
**APIs profiled:** 0

Skeleton Technologies is an Estonian-German energy storage manufacturer, founded in Tartu, Estonia in 2009 by Oliver Ahlberg and Taavi Madiberk, that designs and builds high-power supercapacitor and SuperBattery systems on its patented Curved Graphene material. Its product line spans SkelCap ultracapacitor cells, supercapacitor modules, and the GrapheneUPS, GrapheneGPU and GrapheneBBU power systems aimed at AI data centers, grid stability, defense, automotive, heavy transportation and industrial customers. The company has raised close to EUR 400 million, counts Marubeni and Siemens among its backers, and manufactures at its ISO 9001 / ISO 14001 certified Leipzig Superfactory in Germany, a Varkaus facility in Finland and a Curved Graphene plant in Bitterfeld-Wolfen. Skeleton sells physical power hardware; it operates no public developer program, API, SDK or machine-readable contract.

## Kin Score — 6.7 / 100 (minimal)

Scored 2026-09-02 under rubric 0.18.0. Trend: flat (+0.0 from 6.7).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 10.5 |
| Access Clarity | 10.5 |

Regulatory layer — **Energy & Utilities**: 13.5 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Skeleton Technologies Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Energy Storage, Supercapacitors, Ultracapacitors, Graphene, Manufacturing, Data Centers, Grid Stability, Hardware, Estonia, Germany

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