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Developer tools

Arvlin

Prompts, local services and Mac maintenance in one app.

A native macOS app for your prompts and skills, running dev services, Claude Code and Codex usage, and careful Mac maintenance. Free plan included; Pro is a one-time $12.

Product scene featuring Arvlin

Campaign image based on the product screen.

01 / Developer tools

Arvlin collects skills and prompts from the folders you choose, so you can copy one or drag it straight into an AI chat. Projects remember a folder, its context and a Codex or Claude CLI profile. AI Hub reads your Claude Code and Codex usage and estimates the API-equivalent cost for Claude models. Quick Access opens with ⌃⇧Space, from the menu bar or by clicking the origami raven on your desktop. Calm graphite surfaces and five tabs at the top bring together Overview, Library, Services, AI Hub and System Health. A live status line shows CPU, memory and free disk space, and the compact panel adapts to the available screen height.

Services shows which project owns a port, with process, CPU and memory, and starts recent projects in your terminal with one click. Maintenance is four calm tools: Cleanup, Apps, Fix and Disk. Apps uninstalls an app with its leftovers, updates supported apps and manages startup items. Fix covers nine symptoms and offers a one-click tune-up, Run tune-up. Disk maps your disk. Visuals are quieter, and app and leftover sizes count the disk space they really use. Results separate successes, skipped items and partial or failed operations.

Eight cards in the Tools panel take you straight to maintenance, your workspace, sources, backups and settings. The disk map shows file size and allocated disk space separately, and labels unmeasured and partial results. Before cleanup, you review the selected items and the method: move to Trash or delete permanently. The size of successfully processed files is shown separately from free disk space; it is not presented as guaranteed recoverable space. System tasks that can interrupt your work, and local snapshot deletion, require an explicit selection.

Arvlin 0.13.1 runs on macOS 14 or later on Apple Silicon, is Developer ID signed and notarized, and speaks seven languages. There is no account and no telemetry. Downloads, release notes and Pro licenses are on arvlin.com.

Features

  • Library: skills and prompts, dragged into your AI chat
  • Projects with Codex and Claude CLI profiles
  • AI Hub: Claude Code and Codex usage, API-equivalent cost
  • Five-tab Quick Access and a redesigned Tools panel
  • Services: which project owns this port?
  • System health with CPU, memory and busy processes
  • Four calm tools: Cleanup, Apps, Fix and Disk
  • Fix: nine symptoms and a one-click Run tune-up

Use cases

  • Keep your best prompts and skills one drag away from the chat. Copy the text or drop it as a Markdown file.
  • Find the project on :3000, copy its URL, or stop a recognized dev service after you confirm.
  • See what a week of Claude Code would cost on the API, and follow Codex usage next to it.
  • Review cleanup items and the removal method, uninstall an app with its leftovers, and update supported apps through Sparkle, Homebrew, publisher packages, Electron, GitHub and the App Store.
  • Pick what feels wrong in Fix, or press Run tune-up, then map the disk to see where the space went.

Benefits

  • Review cleanup selections and the removal method before acting
  • App and leftover sizes count real disk usage, not just file size
  • No account, no telemetry; the license works offline
  • Free plan, or Pro for $12 once: two Macs, 14-day refund

Stack

  • Swift
  • SwiftUI
  • macOS

Architecture

A native Swift and SwiftUI app. Your library, projects and CLI profiles stay on your Mac; each CLI profile runs with its own CODEX_HOME or CLAUDE_CONFIG_DIR and you sign in through the official CLI. Arvlin rechecks file identity and use right before acting; cleanup uses the reviewed move-to-Trash or permanent-deletion method.

Deployment

Version 0.13.1 from arvlin.com. macOS 14 or later · Apple Silicon · Developer ID signed and notarized · 7 interface languages.

Inspect the source screen Source screenshot of Arvlin