Access the complete content of The Swift Programming Language in a structured format for LLMs.

The Unofficial Swift Programming Language Skill

The Swift Programming Language, packaged as a Skill for LLMs.

About

The Unofficial Swift Programming Language Skill provides the complete content of The Swift Programming Language in the structured Skill format used by Claude.

Installation

Claude Code

Personal Usage

To install this Skill for your personal use in Claude Code:

Add the marketplace:

/plugin marketplace add kylehughes/the-unofficial-swift-programming-language-skill

Install the Skill:

/plugin install programming-swift-skill@the-unofficial-swift-programming-language-skill

Project Configuration

To automatically provide this Skill to everyone working in a repository, configure the repository's .claude/settings.json:

{
  "enabledPlugins": {
    "programming-swift-skill@the-unofficial-swift-programming-language-skill": true
  },
  "extraKnownMarketplaces": {
    "the-unofficial-swift-programming-language-skill": {
      "source": {
        "source": "github",
        "repo": "kylehughes/the-unofficial-swift-programming-language-skill"
      }
    }
  }
}

When team members open the project, Claude Code will prompt them to install the Skill.

Manual Installation

You can download the pre-packaged release for use in other environments (e.g. Claude Desktop).

Go to the Releases page.
Download the programming-swift.zip file from the latest release.
Import the Skill into your environment (e.g. ask Claude how).

The raw Skill content is also available in this repository's programming-swift directory.

Releases

This Skill is automatically updated nightly to match the official documentation. A new version is released only when the upstream content changes.

Version numbers follow the format SWIFT_VERSION-YYYY-MM-DD (e.g., 6.2.1-2025-11-21).

Development

Build from Source

You can generate the Skill package locally using the provided Python script. The script has no external dependencies and is what is used to generate the pre-packaged releases.

python3 package.py

This will clone the official repository and generate a programming-swift directory and programming-swift.zip archive in your current working directory.

Options

Option	Description
`--output DIR`, `-o DIR`	Specify output directory (default: `./programming-swift`)
`--keep-temp`	Do not delete the temporary git clone after packaging
`--dry-run`	Simulate operations without writing files

Contributions

The Unofficial Swift Programming Language Skill is not accepting source contributions at this time. Bug reports will be considered.

Author

Kyle Hughes

License & Attribution

The Unofficial Swift Programming Language Skill is available under the MIT License. See LICENSE for details.

The content contained within the generated Skill is sourced from The Swift Programming Language by Apple Inc. and the Swift project authors, and is distributed under the Apache 2.0 License.