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wtf is gymnasium-env-template?

farama-foundation/gymnasium-env-template — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2024-10-16

★ 23JinjaAudience · researcherComplexity · 3/5StaleSetup · moderate

TL;DR

A starter template for building custom reinforcement-learning environments with Gymnasium, so you can define an AI agent's actions, observations, and rewards without writing the boilerplate yourself.

Mindmap

mindmap
  root((repo))
    What it does
      Environment blueprint
      Auto-generated files
      Standard RL structure
    Tech stack
      Jinja
      Gymnasium
      Python
    Use cases
      Custom RL tasks
      Robot simulations
      Game AI opponents
    Audience
      Researchers
      Game developers

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Clone the template and fill in your own physics, game rules, or reward function instead of writing environment boilerplate from scratch.

REASON 2

Answer a few configuration questions to auto-generate a working custom Gymnasium environment.

REASON 3

Build a simulated task for a reinforcement-learning agent, such as a robot learning to walk or a game-playing AI.

REASON 4

Test a new reinforcement-learning algorithm on a domain-specific environment you define yourself.

What's in the stack?

JinjaGymnasiumPython

How it stacks up

farama-foundation/gymnasium-env-templatejlevy/simple-modern-uvdavestephens/ansible-nas
Stars232813,735
LanguageJinjaJinjaJinja
Last pushed2024-10-16——
MaintenanceStale——
Setup difficultymoderateeasyhard
Complexity3/52/54/5
Audienceresearcherdeveloperops devops

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 1h+

You still need to write your own environment logic, physics, rules, and rewards, after generating the template.

No license information is mentioned in the explanation.

Yoink these prompts

Prompt 1
Using this Gymnasium environment template, define a custom action space and observation space for a simple grid-world task.
Prompt 2
Show me how to write the reward function and episode-termination logic inside this environment template.
Prompt 3
Walk me through how the Jinja templating in this repo generates a customized environment file from my configuration answers.
Prompt 4
Help me adapt this template to create a Gymnasium environment for a robot-walking simulation.

Frequently asked questions

wtf is gymnasium-env-template?

A starter template for building custom reinforcement-learning environments with Gymnasium, so you can define an AI agent's actions, observations, and rewards without writing the boilerplate yourself.

What language is gymnasium-env-template written in?

Mainly Jinja. The stack also includes Jinja, Gymnasium, Python.

Is gymnasium-env-template actively maintained?

Stale — no commits in 1-2 years (last push 2024-10-16).

What license does gymnasium-env-template use?

No license information is mentioned in the explanation.

How hard is gymnasium-env-template to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is gymnasium-env-template for?

Mainly researcher.

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