devinus/poison
An incredibly fast, pure Elixir JSON library observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4532
- days_rel: n/a
- days_push: 751
- n_releases_24m: 0
Adoption not part of the score
2030 stars · 214 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Poison is a fast, pure-Elixir JSON encoding and decoding library that fully conforms to RFC 8259 and ECMA 404. It provides a hand-rolled single-pass parser, IO list encoding, and struct-aware encoding/decoding via the Poison.Encoder protocol.
Use cases
- encode elixir maps and structs to
- decode strings into elixir maps
- parse with atom keys
- decode directly into structs
- fast parsing for phoenix apis
When to choose
- you need a pure-Elixir JSON library with no native dependencies
- you want RFC 8259-compliant JSON handling in Elixir
- you need struct encoding/decoding via protocols
When to avoid
- you prefer the built-in Jason library already common in the ecosystem
- you need NIF-based maximum throughput like jiffy
Facets
library · maturity stable
serialization parser developer-tools apis web-development elixir jvm elixir encoder decoder rfc8259
1 source
- readme: https://github.com/devinus/poison · fetched 2026-08-28 · 42915e4f3936
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| devinus/poison | main | 32 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem