# Jupyter Server

**Canonical:** https://apis.io/providers/jupyter-server/  
**Website:** https://jupyter-server.readthedocs.io/  
**APIs profiled:** 8

Jupyter Server is the backend that powers Jupyter Notebook, JupyterLab, and other Jupyter web applications. It provides the core REST API for managing kernels, sessions, contents, terminals, and configuration, and it hosts the WebSocket endpoints used to communicate with kernels via the Jupyter messaging protocol.

## Kin Score — 40.3 / 100 (developing)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 40.3).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 66.4 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 40.5 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| 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 (8)

- **Jupyter Server Checkpoints API** — File checkpoint (snapshot) management.
- **Jupyter Server Config API** — Server configuration sections.
- **Jupyter Server Contents API** — Notebook and file management operations.
- **Jupyter Server General API** — Server information, identity, and status.
- **Jupyter Server Kernels API** — Kernel lifecycle management.
- **Jupyter Server Kernelspecs API** — Available kernel specifications.
- **Jupyter Server Sessions API** — Notebook-kernel session management.
- **Jupyter Server Terminals API** — Terminal session management.

## Agentic access (1)

- **Jupyter Server Agentic Access** — 31 operations · 17 acting · 1 human-in-the-loop

## Security (2)

- **Jupyter Server Authentication** — apiKey · 2 schemes
- **Jupyter Server Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Jupyter Server Plans Pricing**

## Tags

Compute, Interactive Computing, Kernel, Notebooks, Portable, Workbooks

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