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C-Rank Grade: B (Solid) - 52/100
External PR Merge Rate: 63%
Response Time: 2d
First Timer Success: -
leandrocp/lumis 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 leandrocp/lumis respond to incoming external pull requests in approximately 39.8 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 52.3 places leandrocp/lumis in the B tier.
The external contributor pull request merge rate for leandrocp/lumis is 63.4%, based on public PR activity from non-core contributors.
leandrocp/lumis does not currently have active "good first issue" tags indexed, but accepts external contributions through standard GitHub issue tracking.
Active maintainer team in leandrocp/lumis 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/leandrocp/lumis?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
Calculating local time...
Calculating local time...
Detected: UTC
Maintainers are most responsive around 02:00 UTC (02:00 UTC in your timezone). Recommended submission window is Tuesday - Thursday from 01:00 to 05:00 UTC (01:00 - 05:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~26 hours (79% approval). Large PRs (>500 lines) take ~191 hours (29% approval). Keep your diff compact for rapid review.
guessLanguage returns plaintext for some common JavaScript and TypeScript inputs: #!/usr/bin/env node → plaintext #!/usr/bin/env bun → plaintext #!/usr/bin/env deno → typescript index.mts → plaintext index.cts → plaintext tsconfig.jsonc → plaintext .vscode/settings.jsonc → plaintext In languages.toml, javascript has no shebang entry, typescript has globs = ["*.ts"] (:689) while it already claims the deno and ts-node shebangs, and json lists no *.jsonc (:382). Suggested: node and bun shebangs → javascript *.mts and *.cts → typescript (TypeScript 4.7), matching *.mjs and *.cjs for JavaScript *.jsonc → json or json5, whichever parses comments Found through supagist, whose inferLanguage is moving to guessLanguage and keeps a local node/bun fallback until the catalog covers it.
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When evaluating whether to contribute to leandrocp/lumis, 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 leandrocp/lumis acknowledge new external contributions in approximately 1 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 63.4% were successfully merged into the primary branch.
leandrocp/lumis 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 ~1 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 52.3 places leandrocp/lumis in the Solid tier.
The external pull request merge rate is 63.4%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
leandrocp/lumis does not have open beginner labels indexed currently, but external PRs for bugs and documentation improvements are evaluated via normal issue triage.
All metrics displayed for leandrocp/lumis 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.