mpvRex/REX-Player - Open Source PR Review Scorecard

A modern Android video player powered by libmpv, built with Jetpack Compose.

C-Rank Grade: A (Welcoming) - 62/100

External PR Merge Rate: 81%

Response Time: -

First Timer Success: 67%

Frequently Asked Questions

Is mpvRex/REX-Player welcoming to first-time open-source contributors?

mpvRex/REX-Player has a recorded first-timer success rate of 66.7%. Repositories ranked A typically provide actionable feedback during code reviews and actively nurture new community contributors.

How fast can I expect code review feedback on my pull request?

Maintainers in mpvRex/REX-Player 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.

What does the 62.3 C-Rank™ score (A Tier) represent?

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 62.3 places mpvRex/REX-Player in the A tier.

What is the external contributor pull request merge rate for mpvRex/REX-Player?

The external contributor pull request merge rate for mpvRex/REX-Player is 81.0%, based on public PR activity from non-core contributors.

Are there Good First Issues available in mpvRex/REX-Player?

mpvRex/REX-Player currently has 1 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".

mpvRex
mpvRex/REX-PlayerA•Welcoming755
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mpvRex

mpvRex/REX-Player

755
InactiveA•Welcoming(62/100)Kotlin

A modern Android video player powered by libmpv, built with Jetpack Compose.

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AI Maintainer Review Guidelines

Review Persona

Strict Architecture Gatekeeper

Warmth Score
7.2/10
Patience Score
8.0/10
Nitpick Rate
25%

Strict review standards in mpvRex/REX-Player. Ensure PR scope matches issue requirements closely before requesting review.

What Contributors Actually Say

Discussions in mpvRex/REX-Player focus heavily on practical implementation feedback, code formatting standards, and issue reproduction details.

Hidden Friction Signals

Unlinked PRs without issue context and changes that fail automated test suites face the highest review friction.

Unwritten Rules

  • •1) Keep PR scope strictly aligned with the linked issue.
  • •2) Ensure local linters pass before opening a review.
  • •3) Maintain full test coverage for modified logic.

Top PR Submission Do's

  • •Ensure code complies with the project coding style
  • •Keep PRs scoped to a single concern
  • •Include context and link to the related issue

Top PR Friction Pitfalls (Don'ts)

  • •Do not submit PRs without linking an issue
  • •Do not break existing tests without fixing them
  • •Do not mix unrelated refactors in a single PR
Response Velocity
-
No reviewer activity recorded

Average Response Latency

Tracks hours until a maintainer leaves a review, comment, or PR response.

Merge Efficiency
81.0%
High acceptance rate for external PRs

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success
66.7%
Strong first-timer PR acceptance rate

First PR Conversion

Rate at which developers submitting their first repository PR succeed.

Active Maintainers
11 core
Highly collaborative maintainer core
Diagnostic Health HUD
81.0%
Merge Gauge
66.7%
1st-Timer
Community Vibe52/100

Embed C-Rank Badge

Show contributors that your repository actively reviews and merges external pull requests.

GetMerged C-Rank badge for mpvRex/REX-Player
[![GetMerged C-Rank](https://getmerged.abhishekco.de/api/badge/mpvRex/REX-Player)](https://getmerged.abhishekco.de/mpvRex/REX-Player?utm_source=github&utm_medium=badge)

Active Good First Issues (1)

View on GitHub

The app crashes when I exit a video and immediately open another one — happens both when switching directly and when going back to the file browser and picking another video right away. If I wait about a second before opening the next video, it doesn't crash. Attached is a screen recording showing the crash happening. Device: Realme 10 (RMX3630) Android: 14 CPU: MediaTek HelioG99 (MT6789) App version: 4.3.0 Record_2026-07-24-01-06-12_ce9a3d046fe01c6a1ed44f69678e0c0a.mp4

📅 Opened Jul 24, 2026💬 3 comments
Quality: 80/100Contribute
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Contributor Community Vibe Feedback

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Rate your first-hand PR experience (review speed, maintainer responsiveness, and onboarding ease) to help other contributors.

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Maintainer helpfulness
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Contributor Compatibility & Review Speed Analysis for mpvRex/REX-Player

When evaluating whether to contribute to mpvRex/REX-Player, 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 mpvRex/REX-Player acknowledge new external contributions in approximately -. Out of all submitted pull requests from non-core authors in the last 180-day window, 81.0% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to mpvRex/REX-Player

01

Is mpvRex/REX-Player welcoming to first-time open-source contributors?

mpvRex/REX-Player has a recorded first-timer success rate of 66.7%. Repositories ranked Welcoming typically provide actionable feedback during code reviews and actively nurture new community contributors.

02

How fast can I expect code review feedback on my pull request?

The initial maintainer response time averages ~-. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

03

What does the 62.3 C-Rank™ score represent?

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 62.3 places mpvRex/REX-Player in the Welcoming tier.

04

What is the external contributor pull request merge rate for mpvRex/REX-Player?

The external pull request merge rate is 81.0%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.

05

Are there beginner Good First Issues open in mpvRex/REX-Player?

Yes, mpvRex/REX-Player currently has 1 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.

GetMerged C-Rank™ Indexing Standard

All metrics displayed for mpvRex/REX-Player 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.