What this skill does
Writes, debugs, and optimizes Swift — concurrency, ARC leaks, optionals, generics, SwiftUI state, and packages. Use when writing or reviewing Swift code, when a build won't type-check or the compiler "is unable to type-check this expression in reasonable time", when an app crashes on a force unwrap, an unowned reference, or EXC_BAD_ACCESS, when Swift 6 raises Sendable / actor-isolated / data-race errors, when a retain cycle keeps objects alive, when JSON fails to decode, when async code hangs or deadlocks, when SwiftUI state resets or views redraw too often, when XCTest or Swift Testing tests are flaky, when a Swift package won't resolve, or when bridging to Objective-C, C, or Linux. Not for Xcode signing and IDE settings, or App Store submission and iOS app lifecycle.
Swift is part of the Developer Tools category — developer tools that help your agent write, review, debug, and ship code. You can install it on its own or alongside other developer tools skills from the OpenClaw catalog.
How to install Swift
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
swiftand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Swift with a single command:
openclaw skills add swift
This pulls swift from ClawHub and installs it into ~/.openclaw/skills/swift/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Swift
Once installed, Swift activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
swift-1.0.3.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/swift/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Swift?
Install Swift in the OpenClaw Easy desktop app by opening the Skills panel, searching for swift, and clicking Install. From a terminal you can run: openclaw skills add swift. Either way the skill is placed in ~/.openclaw/skills/swift/.
Is Swift free?
Yes. Swift is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Swift do?
Writes, debugs, and optimizes Swift — concurrency, ARC leaks, optionals, generics, SwiftUI state, and packages.
Related: more developer tools skills
If Swift looks useful, you may also want to check out other developer tools skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models