# smogon/pokemon-showdown

Pokémon battle simulator.

Repository: https://github.com/smogon/pokemon-showdown
Canonical: https://ross.abutalabs.com/products/pokemon-showdown
Homepage: https://pokemonshowdown.com
Language: TypeScript
License: MIT
License Family: permissive
Topics: hacktoberfest
Last push: 2026-08-26T03:28:45+00:00

## Health v2 (maintenance only)
Score: 87/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 99, release rhythm 63, longevity 100
- inputs: {"age_days": 5367, "days_push": 7, "days_rel": 36, "gap_med": 516, "n_releases_24m": 2}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5858, forks 3484 (observed 2026-08-28T04:09:31.728297+00:00)

## What it is
Pokémon Showdown is a Pokémon battle simulator that runs as a website, a self-hostable game server, and a JavaScript library for simulating battles across Generations 1-9. It also ships command-line tools and a web API for programmatic battle simulation and bot development.

## Use cases
- simulate pokemon battles programmatically
- host my own pokemon battle server
- build a pokemon battle bot
- run pokemon battles from the command line
- get pokedex data in javascript
- play pokemon battles online in a browser

## When to choose
- you need accurate Pokémon battle mechanics simulation for Gen 1-9
- you want to self-host a battle server or build bots against its protocol
- you need a reusable JS library or CLI for battle simulation

## When to avoid
- you want a graphical Pokémon game to play offline
- you need a general-purpose game engine unrelated to Pokémon
- you require a non-JavaScript/TypeScript runtime without using the CLI tools

## Facets
- artifact type: application
- maturity: active
- function: simulation, game-engine, http-server, websocket, cli, chatbot
- domain: gaming-tools, simulation, apis
- platform: cross-platform, cli, self-hosted
- tags: pokemon, battle-simulator, game-server, pokedex, turn-based-battles, typescript, game-development, nodejs, web-server

## Member repositories
- smogon/pokemon-showdown (main) score 87

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:31.728297+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 2026-08-29T17:51:38.663610+00:00, confidence not recorded.
  - readme: https://github.com/smogon/pokemon-showdown (fetched 2026-08-28T04:09:31.728297+00:00, sha 505ef66bfa7e)
  - homepage: https://pokemonshowdown.com (fetched 2026-08-29T08:47:30.501539+00:00, sha 272ac0724e34)
  - registry_npm: https://registry.npmjs.org/pokemon-showdown (fetched 2026-08-29T08:47:30.585255+00:00, sha 6bb3797568a2)
  - site_page: https://pokemonshowdown.com/autodownload/mac (fetched 2026-08-29T08:47:30.555580+00:00, sha 230a22f13aaa)
  - site_page: https://pokemonshowdown.com/autodownload/win (fetched 2026-08-29T08:47:30.523497+00:00, sha 230a22f13aaa)
- Data as of 2026-08-30T08:39:29.467469+00:00.