---
title: "Caddy Automatic HTTPS Web Server and Reverse Proxy"
description: "Caddy is a fast, extensible web server written in Go that provides automatic HTTPS via Let's Encrypt and ZeroSSL. It supports HTTP/1.1, HTTP/2, and HTTP/3, features a simple Caddyfile configuration format, a powerful JSON API for dynamic config, and serves as a production-grade reverse proxy with zero external dependencies."
verification: "security_reviewed"
source: "https://github.com/caddyserver/caddy"
category:
  - "Developer Tools"
framework:
  - "Multi-Framework"
tool_ecosystem:
  github_repo: "caddyserver/caddy"
  github_stars: 71224
---

# Caddy Automatic HTTPS Web Server and Reverse Proxy

Caddy is a fast, extensible web server written in Go that provides automatic HTTPS via Let's Encrypt and ZeroSSL. It supports HTTP/1.1, HTTP/2, and HTTP/3, features a simple Caddyfile configuration format, a powerful JSON API for dynamic config, and serves as a production-grade reverse proxy with zero external dependencies.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/caddy-automatic-https-web-server-reverse-proxy/)