# JSF

**Canonical:** https://apis.io/providers/jsf/  
**Website:** https://jakarta.ee/specifications/faces/  
**APIs profiled:** 1

Jakarta Faces (formerly JavaServer Faces / JSF) is an MVC framework for building component-based user interfaces for Java web applications. It simplifies the development of web UIs through a component-driven approach with managed beans, an event-driven programming model, page navigation, state management, input validation, and built-in support for internationalization and accessibility. Jakarta Faces 4.1 is the current stable release with Jakarta EE 11, with 5.0 in development for Jakarta EE 12.

## Kin Score — 12.4 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 12.4).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 2.5 (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 | documented |
| 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

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **Jakarta Faces** — The Jakarta Faces specification for building component-based web user interfaces in Java applications. Defines a UI component model, state management, event handling, validation...

## Security (1)

- **Jsf Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Jsf Plans Pricing**

## Tags

Java, JSF, Jakarta EE, MVC, UI Components, Web Framework

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