maplibre/martin - Open Source PR Review Scorecard

Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server, tile generation, and mbtiles tooling.

C-Rank Grade: A (Welcoming) - 63/100

External PR Merge Rate: 86%

Response Time: 5d

First Timer Success: 88%

Frequently Asked Questions

Is maplibre/martin welcoming to first-time open-source contributors?

maplibre/martin has a recorded first-timer success rate of 87.5%. 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 maplibre/martin respond to incoming external pull requests in approximately 126.6 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.

What does the 62.6 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 62.6 places maplibre/martin in the A tier.

What is the external contributor pull request merge rate for maplibre/martin?

The external contributor pull request merge rate for maplibre/martin is 85.9%, based on public PR activity from non-core contributors.

Are there Good First Issues available in maplibre/martin?

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

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maplibre/martinAWelcoming3.9k
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maplibre/martin

3,852
AWelcoming(63/100)Rust

Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server, tile generation, and mbtiles tooling.

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AI Maintainer Review Guidelines

Review Persona

Welcoming Community Builder

Warmth Score
8.4/10
Patience Score
8.4/10
Nitpick Rate
45%

Highly welcoming maintainers in maplibre/martin. Prompt code reviews with positive guidance for new contributors.

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
5 days+
Standard maintainer review cycle

Average Response Latency

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

Merge Efficiency
85.9%
High acceptance rate for external PRs

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success
87.5%
Strong first-timer PR acceptance rate

First PR Conversion

Rate at which developers submitting their first repository PR succeed.

Active Maintainers
19 core
Highly collaborative maintainer core
Diagnostic Health HUD
85.9%
Merge Gauge
87.5%
1st-Timer
Community Vibe61/100

Embed C-Rank Badge

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

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

Active Good First Issues (1)

View on GitHub

https://switch2osm.org/serving-tiles/ does not mention Martin tile server. We should document Martin as a viable option there. The source code is at https://github.com/switch2osm/switch2osm

📅 Opened Jul 19, 2026💬 3 comments
Quality: 85/100Contribute
Looking for more Rust beginner tasks?Explore Rust GFI

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Contributor Compatibility & Review Speed Analysis for maplibre/martin

When evaluating whether to contribute to maplibre/martin, 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 maplibre/martin acknowledge new external contributions in approximately 5 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 85.9% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to maplibre/martin

01

Is maplibre/martin welcoming to first-time open-source contributors?

maplibre/martin has a recorded first-timer success rate of 87.5%. 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 ~5 days+. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

03

What does the 62.6 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 62.6 places maplibre/martin in the Welcoming tier.

04

What is the external contributor pull request merge rate for maplibre/martin?

The external pull request merge rate is 85.9%. 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 maplibre/martin?

Yes, maplibre/martin 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 maplibre/martin 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.