Swagger Codegen Template Customizer

---
name: "Swagger Codegen Template Customizer"
slug: "swagger-codegen-template-customizer"
description: "Extends Swagger Codegen and OpenAPI Generator with custom Mustache templates for client SDK generation. Supports Java (OkHttp/Retrofit), TypeScript (Axios/Fetch), and Python (httpx) output targets."
github_stars: 28751
verification: "security_reviewed"
source: "https://github.com/swagger-api/swagger-ui"
category: "Library & API Reference"
framework: "ChatGPT Agents"
tool_ecosystem:
  github_repo: "swagger-api/swagger-ui"
  github_stars: 28751
  npm_package: "swagger-ui"
  npm_weekly_downloads: 149194
---

# Swagger Codegen Template Customizer

Extends Swagger Codegen and OpenAPI Generator with custom Mustache templates for client SDK generation. Supports Java (OkHttp/Retrofit), TypeScript (Axios/Fetch), and Python (httpx) output targets.

## Installation

Requirements and caveats from upstream:
- ![docker registry](https://img.shields.io/badge/docker-docker.swagger.io%2Fswaggerapi%2Fswagger--ui-blue)

Basic usage or getting-started notes:
- SwaggerUI uses [Scarf](https://scarf.sh/) to collect [anonymized installation analytics](https://github.com/scarf-sh/scarf-js?tab=readme-ov-file#as-a-user-of-a-package-using-scarf-js-what-information-does-scarf-js-sen...
- [Installation](https://github.com/swagger-api/swagger-ui/blob/HEAD/docs/usage/installation.md)
- [Configuration](https://github.com/swagger-api/swagger-ui/blob/HEAD/docs/usage/configuration.md)

- Source: https://github.com/swagger-api/swagger-ui
- Extracted from upstream docs: https://raw.githubusercontent.com/swagger-api/swagger-ui/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/swagger-codegen-template-customizer/)