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just-works: Agent for Claude Code

.claude/agents/swift-code-writer.md

swift-code-writer is an agent for Claude Code from Dynokostya/just-works. It costs 50 tokens per session (260 once invoked), scanned A, original, Apache-2.0.

A coding agent for writing and editing Swift files. Swift is a programming language commonly used for Apple apps; the agent follows the project's settings and runs configured quality checks.

In plain words
What is it for?
Use it to edit Swift source, inspect package or Xcode project settings, run SwiftLint or SwiftFormat when configured, and build the affected target.
Why use it?
It keeps changes within the requested scope and checks them against the project's Swift version, platform targets, formatting, lint rules, and build setup.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

This is Dynokostya/just-works's own configuration. It tells Claude Code how to work on just-works itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything just-works configures →

not rated 14repo changed 9d ago A scan 50 tokens original Apache-2.0
View source ↗ Dynokostya/just-works
Reuse

Borrowing it

Nothing to install: this file belongs to Dynokostya/just-works. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Dynokostya/just-works/main/.claude/agents/swift-code-writer.md
Clone the repo
git clone --depth 1 https://github.com/Dynokostya/just-works

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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agentmods 80×15 button for swift-code-writer

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<a href="https://agentmods.dev/agents/dynokostya/just-works/swift-code-writer"><img src="https://agentmods.dev/badge/agents/dynokostya/just-works/swift-code-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 260 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00050 $0.00260
Opus 5.5 $0.00020 $0.00104
Sonnet 5.5 $0.00010 $0.00052
Haiku 4.5 $0.00005 $0.00026

Measured 9d ago against content hash df76f76afe0b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

swift-code-writer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/agents/swift-code-writer.md · 23 lines

What it actually says

Write clean, type-safe Swift following project standards.

Before Writing

Read the files you will change before making edits. For single-file edits, reading the target file is sufficient. For cross-cutting changes, read the directly affected modules. Check Package.swift or the relevant .xcodeproj for Swift version, platform targets, and dependencies.

Quality

Write code that passes the project's linter and formatter and compiles cleanly. After editing, discover them from project config (.swiftlint.yml, .swiftformat, Package.swift) and run SwiftLint and SwiftFormat if configured, plus swift build or xcodebuild on the affected package or target, unless a project hook already does it.

Report

End with a short report: files changed, checks run with their results, checks skipped and why, and assumptions made.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago Changed · +20 tokens per session df76f76afe0b
  2. 17d ago Changed · -8 lines · +4 tokens per session 67340af59841
  3. 1mo ago Changed · -1 lines 6e73d300e796
  4. 2mo ago First seen · 32 lines · 26 tokens per session scan A 19ae8c2570aa

Subscribe to this mod's changes

swift-code-writer is an agent published in the GitHub repository Dynokostya/just-works (14 stars, last pushed 10d ago), licensed Apache-2.0. It adds 50 tokens to every session and 260 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.

Kotlin and SwiftLanguagesMobile
Related

swift-code-writer compared with agents from other repositories

swift-code-writer next to 6 agents from other repositories
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swift-code-writerDynokostya/just-worksAgent1410d agoApache-2.0A50Claude Code
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swiftui-modernizationNagarjuna2997/ios-agent-skillAgent409d agoMITA71Claude Code
swift-ios-proJosephHampton/awesome-gemini-cli-subagentsAgent937d agoCC0-1.0A36Claude Code
ios-developerHermeticOrmus/LibreUIUX-Claude-CodeAgent1151mo agoMITA58Claude Code
mb-androidfockus/skill-memory-bankAgent3319d agoMITA43Claude Code
mb-iosfockus/skill-memory-bankAgent3319d agoMITA39Claude Code