Simple and easily configurable grid world environments for reinforcement learning
C-Rank Grade: B (Solid) - 46/100
External PR Merge Rate: 67%
Response Time: 29d
First Timer Success: -
Farama-Foundation/Minigrid has a recorded first-timer success rate of 0.0%. Repositories ranked B typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in Farama-Foundation/Minigrid respond to incoming external pull requests in approximately 695.6 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 46.3 places Farama-Foundation/Minigrid in the B tier.
The external contributor pull request merge rate for Farama-Foundation/Minigrid is 66.7%, based on public PR activity from non-core contributors.
Farama-Foundation/Minigrid currently has 2 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Active maintainer team in Farama-Foundation/Minigrid welcoming community pull requests and bug fixes.
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/Farama-Foundation/Minigrid?utm_source=github&utm_medium=badge)
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 20:00 UTC (20:00 UTC in your timezone). Recommended submission window is Wednesday - Friday from 17:00 to 21:00 UTC (17:00 - 21:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~452 hours (83% approval). Large PRs (>500 lines) take ~3339 hours (30% approval). Keep your diff compact for rapid review.
It would be nice if people could create PRs over time that slowly add gifs showing reasonable, real and interesting learned policies, so that we aren't just showing random ones like we are at present
As part of migrating the straggling internal google sheets entirely to github issues, it's been on our backlog for some time to upstream the environments in https://github.com/kandouss/marlgrid and in doing so add multi-agent environment support
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When evaluating whether to contribute to Farama-Foundation/Minigrid, 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 Farama-Foundation/Minigrid acknowledge new external contributions in approximately 28 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 66.7% were successfully merged into the primary branch.
Farama-Foundation/Minigrid has a recorded first-timer success rate of 0.0%. Repositories ranked Solid typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~28 days+. 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 46.3 places Farama-Foundation/Minigrid in the Solid tier.
The external pull request merge rate is 66.7%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, Farama-Foundation/Minigrid currently has 2 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for Farama-Foundation/Minigrid 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.