# cbeust/klaxon

A JSON parser for Kotlin

Repository: https://github.com/cbeust/klaxon
Canonical: https://ross.abutalabs.com/products/klaxon
Language: Kotlin
License: Apache-2.0
License Family: permissive
Topics: kotlin, json
Last push: 2026-02-04T19:41:32+00:00

## Health v2 (maintenance only)
Score: 62/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 65, release rhythm 35, longevity 100
- inputs: {"age_days": 4882, "days_push": 210, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1862, forks 123 (observed 2026-08-28T04:05:45.478700+00:00)

## What it is
Klaxon is a JSON parsing library for Kotlin offering object binding, streaming, low-level manipulation, and JSON path query APIs. It maps JSON documents to Kotlin data classes and back.

## Use cases
- parse  into kotlin data classes
- serialize kotlin objects to
- stream large  documents
- query  with  path
- manipulate  objects on the jvm

## When to choose
- you write Kotlin and want idiomatic JSON binding to data classes
- you need streaming parsing of large JSON documents
- you want JSON path queries over JSON content

## When to avoid
- you need multiplatform Kotlin serialization support
- your project is Java-only with no Kotlin
- you need the fastest possible JSON performance

## Facets
- artifact type: library
- maturity: stable
- function: parser, serialization
- domain: developer-tools, parsers, web-development
- platform: jvm
- tags: kotlin, -parsing, object-binding, streaming-api, -path

## Member repositories
- cbeust/klaxon (main) score 62

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:45.478700+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:15:41.665712+00:00, confidence not recorded.
  - readme: https://github.com/cbeust/klaxon (fetched 2026-08-28T04:05:45.478700+00:00, sha 60b3392864f0)
- Data as of 2026-08-30T08:39:29.467469+00:00.