kubernetes/apiextensions-apiserver
API server for API extensions like CustomResourceDefinitions
⚡ Executive Summary & Quick Facts
Authoritative Sourceapiextensions-apiserver is apiextensions-apiserver is an open-source project written in Go: API server for API extensions like CustomResourceDefinitions..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), kubernetes/apiextensions-apiserver has accumulated 258 GitHub stars and 140 forks. It is written in Go, licensed under Apache-2.0, and ranks #17,153 globally. It is actively maintained with the latest commit recorded on Oct 16, 2026.”
| Repository | kubernetes/apiextensions-apiserver ↗ |
|---|---|
| Primary Category | k8s staging |
| Language & Stack | Go |
| Software License | Apache-2.0 |
| Community Traction | ★ 258 stars · ⑂ 140 forks · #17,153 globally |
| Maintenance | ● Active (Last commit: Oct 16, 2026) · 0 open issues |
| Target Audience | Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 88/100 · Grade AYes, apiextensions-apiserver is actively maintained. Continuous telemetry recorded the last code commit on Oct 16, 2026 (27 days ago). Supported by 258 stars and 140 community forks, this repository holds a calculated health index of 88/100, reflecting regular maintenance (27 days ago) and healthy issue cadence.
Star History
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Momentum
+0
STARS · LAST 30 DAYS
1
PER DAY
#1,858
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +0 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +0 | +10 |
apiextensions-apiserver gained 0 stars in the last 30 days, about 1 a day, and now has 258. It is about 9 years old and has averaged roughly 29 stars a year. It ranks #1,858 among Go repositories and #17,153 across all languages on GitHubRepo.
Trending Record
42
DAYS ON TRENDING
#3409
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
apiextensions-apiserver has maintained a continuous presence across global trending indexes, peaking at #3409. Below is the 30-day activity profile:
💡 Overview
apiextensions-apiserver is an open-source project written in Go: API server for API extensions like CustomResourceDefinitions.
Engineered for speed, consistency, and developer ease, it solves common hurdles in k8s-staging. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Go for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ go install github.com/kubernetes/apiextensions-apiserver@latest
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
apiextensions-apiserver coordinates its core functionality through a modular Go pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed apiextensions-apiserver into Go backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open Apache-2.0 license.
🚀 Getting Started
Install apiextensions-apiserver using your package manager: `go install github.com/kubernetes/apiextensions-apiserver@latest`
Initialize your project workspace or configuration file for apiextensions-apiserver.
Import apiextensions-apiserver into your codebase or invoke it directly from your terminal.
Execute your test suite or run `apiextensions-apiserver --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
kubernetes/apiextensions-apiserver is currently ranked #17,153 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #17,118 | litvinovtd/qeli | Rust | ★ 259 | Compare ↗ |
| #17,118 | tangosdev/sm64ds-decomp | C++ | ★ 259 | Compare ↗ |
| #17,118 | Low-Zi-Hong/ESP32s3-LLM-Cluster | C++ | ★ 259 | Compare ↗ |
| #17,118 | rasonyang/ai-native-callcenter | Go | ★ 259 | Compare ↗ |
| #17,118 | MuQY1818/OpenYoink | Swift | ★ 259 | Compare ↗ |
| #17,153 | kubernetes/apiextensions-apiserver This Project | Go | ★ 258 | |
| #17,153 | defunkt/cache_fu | Ruby | ★ 258 | Compare ↗ |
| #17,153 | gabriel/GHKit | Objective-C | ★ 258 | Compare ↗ |
| #17,153 | clemens/delocalize | Ruby | ★ 258 | Compare ↗ |
| #17,153 | nitlang/nit | C | ★ 258 | Compare ↗ |
| #17,153 | shumkov/rediska | PHP | ★ 258 | Compare ↗ |
Frequently Asked Questions
What does apiextensions-apiserver do? +
API server for API extensions like CustomResourceDefinitions
Is apiextensions-apiserver actively maintained in 2026? +
Yes, apiextensions-apiserver is actively maintained. The latest code push was recorded on Oct 16, 2026 (27 days ago). It holds a calculated Maintenance Health Score of 88/100 (A rating) with 258 stars and 0 open issues.
What language is apiextensions-apiserver written in? +
The primary language is Go. Topics include: k8s-staging.
How many stars does apiextensions-apiserver have? +
apiextensions-apiserver has 258 stars and 140 forks on GitHub.
How does apiextensions-apiserver rank among GitHub repositories? +
With 258 stars, kubernetes/apiextensions-apiserver is ranked #17,153 globally across all repositories tracked on GitHubRepo and #1,858 among Go projects.
What license is apiextensions-apiserver distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.