getplumber/plumber - Open Source PR Review Scorecard

Plumber detects CI/CD security issues in your GitHub workflows and gives you a score

C-Rank Grade: A (Welcoming) - 67/100

External PR Merge Rate: 83%

Response Time: 23h

First Timer Success: 100%

Frequently Asked Questions

Is getplumber/plumber welcoming to first-time open-source contributors?

getplumber/plumber has a recorded first-timer success rate of 100.0%. 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 getplumber/plumber respond to incoming external pull requests in approximately 22.9 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.

What does the 67.4 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 67.4 places getplumber/plumber in the A tier.

What is the external contributor pull request merge rate for getplumber/plumber?

The external contributor pull request merge rate for getplumber/plumber is 82.9%, based on public PR activity from non-core contributors.

Are there Good First Issues available in getplumber/plumber?

getplumber/plumber currently has 5 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".

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Plumber detects CI/CD security issues in your GitHub workflows and gives you a score

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AI Maintainer Review Guidelines

Review Persona

Welcoming Community Builder

Warmth Score
9.5/10
Patience Score
9.2/10
Nitpick Rate
25%

Highly welcoming maintainers in getplumber/plumber. 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
22 hours
Standard maintainer review cycle

Average Response Latency

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

Merge Efficiency
82.9%
High acceptance rate for external PRs

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success
100.0%
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
82.9%
Merge Gauge
100.0%
1st-Timer
Community Vibe76/100

Embed C-Rank Badge

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

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

Active Good First Issues (5)

View on GitHub

Is your feature request related to a problem? Please describe. GitLab security policy workflows rely on a designated Security Policy Project. Teams standardize on one policy project ID so drift and wrong links are visible. Without automation, projects omit the link or point to the wrong project, weakening centralized policy and audit evidence. Product alignment: ISSUE-601 — Missing security policy source on project (docs today: Platform). CLI should emit ISSUE-601 when implemented. Describe the solution you'd like Add securityScanningPolicyMustBeLinkedToDesignatedProject: Input: Expected policy project ID or path in .plumber.yaml. API: Read where GitLab stores the linked policy project for the analyzed project (tier/version dependent; skip with a clear reason if unsupported — e.g. non-Ultimate, or the GraphQL field is unavailable on the user's GitLab version). Finding: ISSUE-601 when missing or not matching config. Severity: medium (project-level, not pipeline-level) Configurati

📅 Opened Apr 23, 2026💬 0 comments
Quality: 20/100Contribute

Is your feature request related to a problem? Please describe. Large projects often accumulate too many Maintainers or Owners, which bypasses branch protection intent and expands who can change CI/CD variables, runners, and protected branches. Some teams require at least N Owners for continuity. Branch protection in Plumber does not measure how many accounts hold each role. A member-quota check gives a clear pass/fail. Product alignment: ISSUE-507 — Members' role quotas are not respected for projects Describe the solution you'd like Add projectMemberRolesMustRespectQuotas: List project members via GitLab API. Count members per access level (Guest … Owner). Compare to configured min/max per role; emit ISSUE-507 when any role count falls outside its configured range. Configuration in .plumber.yaml gitlab: controls: projectMemberRolesMustRespectQuotas: enabled: true owner: min: 2 max: 5 maintainer: min: 0 max: 8 # deve

📅 Opened Apr 23, 2026💬 0 comments
Quality: 30/100Contribute

Is your feature request related to a problem? Please describe. GitLab has built-in support for JUnit test reports that display test results directly in merge request widgets. Plumber currently outputs JSON, terminal text, SARIF, and GLSAST, but none integrate with GitLab's test report visualization. Security and compliance findings would benefit from the same first-class treatment as test results: visible in the MR widget, with pass/fail indicators per control, without having to open the full job log or download an artifact. Describe the solution you'd like A new --junit flag (matching the existing --sarif / --glsast / --pbom naming) that produces a JUnit XML file where: Each Plumber control maps to a <testsuite> (one suite per control name). Each finding maps to a <testcase> with a <failure> element containing the message + remediation + doc URL. Controls that ran and found nothing produce a single passing <testcase> per suite (so the suite is visible in the widget even when clean).

📅 Opened Apr 3, 2026💬 0 comments
Quality: 20/100Contribute

Feel free to propose other implementation details / output structure. Is your feature request related to a problem? Please describe. Users who want to attach Plumber results to GitLab MR descriptions, wikis, or external documentation have no way to get a portable, readable text output. The current --output flag produces JSON only, and the terminal output uses ANSI escape codes that don't copy-paste well. The existing MR-comment rendering (control/mrcomment.go) covers the MR widget path but is not surfaced as a CLI artifact. Describe the solution you'd like Add a --summary-markdown <path> flag to plumber analyze that writes a clean Markdown-formatted compliance report to a file (matching the existing --sarif / --glsast / --pbom / proposed --junit flag naming). The Markdown should include: Project name, analyzed ref / commit, and analysis timestamp. Overall compliance score + threshold + pass/fail headline. A table of all controls with compliance % and issue count (mirrors cmd/render_de

📅 Opened Feb 16, 2026💬 0 comments
Quality: 20/100Contribute

Is your feature request related to a problem? Please describe. A visual representation of the content of the pipeline can help users understand what they have running a lot better. Describe the solution you'd like Have a flag --dependency-graph must be set to a local file path. Example: --dependency-graph dep.png Outputs a png image containing a neat visual representation of the directed acyclic graph (DAG) making up every job and their inclusions in that pipeline. Describe alternatives you've considered None

📅 Opened Feb 16, 2026💬 0 comments
Quality: 20/100Contribute
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Contributor Compatibility & Review Speed Analysis for getplumber/plumber

When evaluating whether to contribute to getplumber/plumber, 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 getplumber/plumber acknowledge new external contributions in approximately 22 hours. Out of all submitted pull requests from non-core authors in the last 180-day window, 82.9% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to getplumber/plumber

01

Is getplumber/plumber welcoming to first-time open-source contributors?

getplumber/plumber has a recorded first-timer success rate of 100.0%. 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 ~22 hours. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

03

What does the 67.4 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 67.4 places getplumber/plumber in the Welcoming tier.

04

What is the external contributor pull request merge rate for getplumber/plumber?

The external pull request merge rate is 82.9%. 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 getplumber/plumber?

Yes, getplumber/plumber currently has 5 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 getplumber/plumber 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.