litmuschaos/litmus - Open Source PR Review Scorecard

Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub (https://hub.litmuschaos.io). Community notes is at https://hackmd.io/a4Zu_sH4TZGeih-xCimi3Q

C-Rank Grade: B (Solid) - 52/100

External PR Merge Rate: 9%

Response Time: 21h

First Timer Success: 50%

Frequently Asked Questions

Is litmuschaos/litmus welcoming to first-time open-source contributors?

litmuschaos/litmus has a recorded first-timer success rate of 50.0%. Repositories ranked B 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 litmuschaos/litmus respond to incoming external pull requests in approximately 20.6 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.

What does the 52.1 C-Rank™ score (B 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 52.1 places litmuschaos/litmus in the B tier.

What is the external contributor pull request merge rate for litmuschaos/litmus?

The external contributor pull request merge rate for litmuschaos/litmus is 9.1%, based on public PR activity from non-core contributors.

Are there Good First Issues available in litmuschaos/litmus?

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

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litmuschaos/litmusB•Solid5.6k
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litmuschaos/litmus

5,615
Active (30d)B•Solid(52/100)Low Sample (<20 PRs)Go

Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub (https://hub.litmuschaos.io). Community notes is at https://hackmd.io/a4Zu_sH4TZGeih-xCimi3Q

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AI Maintainer Review Guidelines

Review Persona

Welcoming Community Builder

Warmth Score
8.2/10
Patience Score
8.4/10
Nitpick Rate
35%

Highly welcoming maintainers in litmuschaos/litmus. Prompt code reviews with positive guidance for new contributors.

What Contributors Actually Say

Discussions in litmuschaos/litmus 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

  • •Add or update tests for changed behavior before requesting review
  • •Call out API, migration, or compatibility impact clearly
  • •Link the issue and include reproduction context in the PR

Top PR Friction Pitfalls (Don'ts)

  • •Do not leave requested test coverage unresolved
  • •Do not hide breaking changes in implementation details
  • •Do not open context-free PRs
Response Velocity
20 hours
Standard maintainer review cycle

Average Response Latency

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

Merge Efficiency
9.1%
Selective PR acceptance rate

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success
50.0%
Accepts new contributor PRs

First PR Conversion

Rate at which developers submitting their first repository PR succeed.

Active Maintainers
18 core
Highly collaborative maintainer core
Diagnostic Health HUD
9.1%
Merge Gauge
50.0%
1st-Timer
Community Vibe33/100

Embed C-Rank Badge

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

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

Active Good First Issues (1)

View on GitHub

I couldn’t find any official documentation for installing LitmusChaos without deploying the ChaosCenter (UI). My goal is to run LitmusChaos purely as infrastructure i.e., core + agents + CRDs and trigger experiments via CI/CD pipelines, without using the UI. I want a setup where chaos experiments can be created and executed programmatically, without deploying ChaosCenter. I noticed that Helm charts like litmus-core and litmus-agent exist, which suggests this deployment model is supported. However, there is no official guide or best practice document covering this approach. It seems that litmusctl can be used to manage infrastructure and experiments without the ChaosCenter. Would be great to provide related documentation.

📅 Opened Feb 5, 2026💬 12 comments
Quality: 40/100Contribute
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Contributor Compatibility & Review Speed Analysis for litmuschaos/litmus

When evaluating whether to contribute to litmuschaos/litmus, 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 litmuschaos/litmus acknowledge new external contributions in approximately 20 hours. Out of all submitted pull requests from non-core authors in the last 180-day window, 9.1% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to litmuschaos/litmus

01

Is litmuschaos/litmus welcoming to first-time open-source contributors?

litmuschaos/litmus has a recorded first-timer success rate of 50.0%. Repositories ranked Solid 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 ~20 hours. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

03

What does the 52.1 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 52.1 places litmuschaos/litmus in the Solid tier.

04

What is the external contributor pull request merge rate for litmuschaos/litmus?

The external pull request merge rate is 9.1%. 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 litmuschaos/litmus?

Yes, litmuschaos/litmus 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 litmuschaos/litmus 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.