Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.
C-Rank Grade: S (Elite) - 72/100
External PR Merge Rate: 84%
Response Time: -
First Timer Success: 100%
iliyami/MacSai has a recorded first-timer success rate of 100.0%. Repositories ranked S typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in iliyami/MacSai respond to incoming external pull requests in approximately 0.0 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 72.0 places iliyami/MacSai in the S tier.
The external contributor pull request merge rate for iliyami/MacSai is 84.2%, based on public PR activity from non-core contributors.
iliyami/MacSai currently has 3 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Highly welcoming maintainers in iliyami/MacSai. Prompt code reviews with positive guidance for new contributors.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
[](https://getmerged.abhishekco.de/iliyami/MacSai?utm_source=github&utm_medium=badge)
Historical health & responsiveness evolution
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
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Detected: UTC
Maintainers are most responsive around 19:00 UTC (19:00 UTC in your timezone). Recommended submission window is Monday - Wednesday from 17:00 to 21:00 UTC (17:00 - 21:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~16 hours (96% approval). Large PRs (>500 lines) take ~115 hours (38% approval). Keep your diff compact for rapid review.
Help bring Mac Sai to more people in their own language. Six languages have shipped; these are next. Status Language Status English ✅ Built in Simplified Chinese (zh-Hans) ✅ Shipped, thanks @KameraZhao (#89) Russian (ru) ✅ Shipped, thanks @mrglonin (#115) German (de) ✅ Shipped, thanks @cgdesign89 (#183) Traditional Chinese (zh-Hant) ✅ Shipped (#187) French (fr) ✅ Shipped, thanks @nexos20lv (#211) Japanese (ja) 🙋 Wanted Spanish (es) 🙋 Wanted Portuguese, Brazil (pt-BR) 🙋 Wanted Korean (ko) 🙋 Wanted Italian (it) 🚧 In progress, @nnevskij Turkish (tr) 🙋 Wanted Another language not listed? Comment and claim it. Comment before you start so two people don't translate the same language. How translations work here Mac Sai doesn't use Localizable.strings. Strings are written in code with L10n.tr(...), and each extra language is a dictionary in Sources/MacCleanKit/Localization.swift, keyed by the Simplified Chinese string. The French PR
TargetedScanner.scan(targets:) currently scans each target sequentially. Use TaskGroup to scan multiple targets in parallel. Task In Sources/MacClean/Core/Scanner/TargetedScanner.swift, refactor scan(targets:) to fan out one task per target. Aggregate results when all complete. Benchmark Before opening the PR, share before/after timings for scanning the SystemJunk targets on your Mac: time swift run MacCleanTestRunner --filter SystemJunk Files to change Sources/MacClean/Core/Scanner/TargetedScanner.swift
Users hovering over "Broken Login Items" don't know what that means. Add a .help() tooltip with a one-line explanation for each category in the results list. Task In FileListView.swift, attach a .help(category.description) modifier to category headers. Add a description computed property to ScanCategory.swift: var description: String { switch self { case .userCache: "Application cache files in ~/Library/Caches" case .systemCache: "System-wide cache files" // ... etc } } Files to change Sources/MacCleanKit/Models/ScanCategory.swift Sources/MacClean/Views/Shared/FileListView.swift
Audit the codebase for // TODO, // FIXME, and // XXX comments. For each one: If trivial: implement the fix If complex: convert to a tracked GitHub issue and link it from the code If stale: delete the comment How to find them grep -rn 'TODO\|FIXME\|XXX' Sources/ --include='*.swift' Acceptance No unannotated TODOs remain in the codebase.
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When evaluating whether to contribute to iliyami/MacSai, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of iliyami/MacSai acknowledge new external contributions in approximately -. Out of all submitted pull requests from non-core authors in the last 180-day window, 84.2% were successfully merged into the primary branch.
iliyami/MacSai has a recorded first-timer success rate of 100.0%. Repositories ranked Elite typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~-. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 72.0 places iliyami/MacSai in the Elite tier.
The external pull request merge rate is 84.2%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, iliyami/MacSai currently has 3 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for iliyami/MacSai are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.